Leg : 64 Depth to Top of Core(m): 515.00 Piece: 1B Hole: 474A Top/Bottom Interval(mm): 1480/1500 Core: 39 Sample Depth: 519.49 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS PLAG-SPINEL PHYRIC BASALT SiO2 : 48.2 Al2O3: 15.6 Fe2O3(tot): 11.15 FeO(tot): Fe2O3: FeO : MgO : 7.07 CaO : 11.17 Na2O : 3.01 K2O : 0.05 TiO2 : 1.78 MnO : 0.21 P2O5 : 0.12 LOI : 1.20 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.64 Magnesium#: Comments: SAMPLED ADJACENT TO CHILLED MARGIN. Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 515.00 Piece: 8 Hole: 474A Top/Bottom Interval(mm): 650/ 670 Core: 39 Sample Depth: 520.16 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS DOLERITE SiO2 : 45.9 Al2O3: 15.9 Fe2O3(tot): 10.48 FeO(tot): Fe2O3: FeO : MgO : 10.86 CaO : 10.75 Na2O : 2.78 K2O : 0.03 TiO2 : 1.69 MnO : 0.17 P2O5 : 0.14 LOI : 0.9 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.60 Magnesium#: Comments: ALTERATION RESTRICTED TO RIMS AND CRACKS OF OL. Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 524.50 Piece: 1A Hole: 474A Top/Bottom Interval(mm): 190/ 210 Core: 40 Sample Depth: 524.70 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS DOLERITE SiO2 : 44.8 Al2O3: 14.7 Fe2O3(tot): 11.13 FeO(tot): Fe2O3: FeO : MgO : 14.90 CaO : 9.27 Na2O : 2.37 K2O : 0.03 TiO2 : 1.54 MnO : 0.16 P2O5 : 0.13 LOI : 0.9 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.89 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 524.50 Piece: 3E Hole: 474A Top/Bottom Interval(mm): 400/ 0 Core: 40 Sample Depth: 526.40 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS DOLERITE SiO2 : 48.1 Al2O3: 14.1 Fe2O3(tot): 10.26 FeO(tot): Fe2O3: FeO : MgO : 11.17 CaO : 10.21 Na2O : 2.66 K2O : 0.06 TiO2 : 1.59 MnO : 0.17 P2O5 : 0.12 LOI : 1.18 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.63 Magnesium#: Comments: OL-RICH,ADJACENT TO VEIN MATERIAL,IN PHENO-RICH ZONE. Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 524.50 Piece: 5A Hole: 474A Top/Bottom Interval(mm): 1100/ 0 Core: 40 Sample Depth: 527.10 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS DOLERITE SiO2 : 45.8 Al2O3: 15.6 Fe2O3(tot): 11.19 FeO(tot): Fe2O3: FeO : MgO : 10.01 CaO : 11.40 Na2O : 2.91 K2O : 0.06 TiO2 : 1.61 MnO : 0.19 P2O5 : 0.11 LOI : 1.03 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.89 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 534.00 Piece: 2 Hole: 474A Top/Bottom Interval(mm): 80/ 100 Core: 41 Sample Depth: 541.59 Sect: 6 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS DOLERITE SiO2 : 46.9 Al2O3: 15.2 Fe2O3(tot): 11.10 FeO(tot): Fe2O3: FeO : MgO : 11.42 CaO : 9.74 Na2O : 2.56 K2O : 0.02 TiO2 : 1.48 MnO : 0.21 P2O5 : 0.09 LOI : 1.46 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.19 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 543.50 Piece: 1A Hole: 474A Top/Bottom Interval(mm): 60/ 80 Core: 42 Sample Depth: 543.57 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS DOLERITE SiO2 : 44.5 Al2O3: 15.2 Fe2O3(tot): 10.77 FeO(tot): Fe2O3: FeO : MgO : 14.87 CaO : 9.59 Na2O : 2.47 K2O : 0.00 TiO2 : 1.28 MnO : 0.17 P2O5 : 0.09 LOI : 1.22 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.07 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 543.50 Piece: 5F Hole: 474A Top/Bottom Interval(mm): 820/ 0 Core: 42 Sample Depth: 547.32 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS DOLERITE SiO2 : 48.8 Al2O3: 16.6 Fe2O3(tot): 9.68 FeO(tot): Fe2O3: FeO : MgO : 8.28 CaO : 11.64 Na2O : 2.78 K2O : 0.09 TiO2 : 1.35 MnO : 0.16 P2O5 : 0.12 LOI : 0.26 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.81 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 543.50 Piece: 1G Hole: 474A Top/Bottom Interval(mm): 610/ 630 Core: 42 Sample Depth: 548.62 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS DOLERITE SiO2 : 48.5 Al2O3: 16.7 Fe2O3(tot): 9.74 FeO(tot): Fe2O3: FeO : MgO : 8.44 CaO : 11.50 Na2O : 2.78 K2O : 0.11 TiO2 : 1.38 MnO : 0.15 P2O5 : 0.12 LOI : 0.53 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.96 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 553.00 Piece: 4J Hole: 474A Top/Bottom Interval(mm): 1190/1210 Core: 43 Sample Depth: 554.20 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Slight IGNEOUS DOLERITE SiO2 : 49.1 Al2O3: 15.1 Fe2O3(tot): 10.58 FeO(tot): Fe2O3: FeO : MgO : 8.09 CaO : 11.56 Na2O : 2.62 K2O : 0.07 TiO2 : 1.97 MnO : 0.17 P2O5 : 0.19 LOI : 0.68 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.20 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 553.00 Piece: 3B Hole: 474A Top/Bottom Interval(mm): 750/ 770 Core: 43 Sample Depth: 555.26 Sect: 2 Analyst Name: Pal Verma, S. Analytical Method(s): Isotope dilution Isotope dilution Isotope dilution Alteration Rock type Rock name Slight IGNEOUS DOLERITE SiO2 : Al2O3: Fe2O3(tot): FeO(tot): Fe2O3: FeO : MgO : CaO : Na2O : K2O : .097 TiO2 : MnO : P2O5 : LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: Comments: Essential oxides quoted to .01 Laboratory analysis. Data source is Initial Reports. ship and at one or more shore laboratories or by different techniques. Partial analysis. Leg : 64 Depth to Top of Core(m): 553.00 Piece: 5B Hole: 474A Top/Bottom Interval(mm): 490/ 510 Core: 43 Sample Depth: 556.50 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS DOLERITE SiO2 : 48.9 Al2O3: 15.4 Fe2O3(tot): 10.83 FeO(tot): Fe2O3: FeO : MgO : 7.87 CaO : 11.64 Na2O : 2.69 K2O : 0.11 TiO2 : 1.84 MnO : 0.17 P2O5 : 0.20 LOI : 0.64 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.23 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: 12A Hole: 474A Top/Bottom Interval(mm): 1000/1030 Core: 44 Sample Depth: 563.52 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS APHYRIC BASALT SiO2 : 48.8 Al2O3: 15.5 Fe2O3(tot): 11.58 FeO(tot): Fe2O3: FeO : MgO : 6.34 CaO : 12.10 Na2O : 2.56 K2O : 0.06 TiO2 : 1.95 MnO : 0.23 P2O5 : 0.16 LOI : 0.62 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.86 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: Hole: 474A Top/Bottom Interval(mm): 340/ 380 Core: 44 Sample Depth: 564.36 Sect: 2 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 50.7 Al2O3: 14.89 Fe2O3(tot): FeO(tot): Fe2O3: 1.04 FeO : 9.31 MgO : 7.45 CaO : 11.24 Na2O : 2.78 K2O : 0.18 TiO2 : 1.73 MnO : 0.18 P2O5 : 0.12 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .588 Comments: CR2O3 = .04 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: 8B Hole: 474A Top/Bottom Interval(mm): 630/ 650 Core: 44 Sample Depth: 564.64 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-CPX PHYRIC BASALT SiO2 : 49.3 Al2O3: 15.7 Fe2O3(tot): 10.83 FeO(tot): Fe2O3: FeO : MgO : 6.25 CaO : 12.05 Na2O : 2.63 K2O : 0.06 TiO2 : 1.94 MnO : 0.22 P2O5 : 0.18 LOI : 0.62 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.83 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: 5B Hole: 474A Top/Bottom Interval(mm): 350/ 0 Core: 44 Sample Depth: 565.85 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Slight IGNEOUS PLAG-SPINEL PHYRIC BASALT SiO2 : 49.3 Al2O3: 15.5 Fe2O3(tot): 10.44 FeO(tot): Fe2O3: FeO : MgO : 7.26 CaO : 11.45 Na2O : 2.62 K2O : 0.07 TiO2 : 2.00 MnO : 0.20 P2O5 : 0.19 LOI : 0.92 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.93 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: 5E Hole: 474A Top/Bottom Interval(mm): 580/ 0 Core: 44 Sample Depth: 566.08 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-SPINEL PHYRIC BASALT SiO2 : 49.3 Al2O3: 15.7 Fe2O3(tot): 11.37 FeO(tot): Fe2O3: FeO : MgO : 6.03 CaO : 11.91 Na2O : 2.64 K2O : 0.07 TiO2 : 1.86 MnO : 0.18 P2O5 : 0.15 LOI : 0.62 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.85 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: Hole: 474A Top/Bottom Interval(mm): 920/ 0 Core: 44 Sample Depth: 567.92 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-SPINEL PHYRIC BASALT SiO2 : 49.4 Al2O3: 15.8 Fe2O3(tot): 11.19 FeO(tot): Fe2O3: FeO : MgO : 6.32 CaO : 11.74 Na2O : 2.54 K2O : 0.07 TiO2 : 1.90 MnO : 0.18 P2O5 : 0.21 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.39 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 562.50 Piece: 6B Hole: 474A Top/Bottom Interval(mm): 370/ 0 Core: 44 Sample Depth: 568.87 Sect: 5 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.6 Al2O3: 16.1 Fe2O3(tot): 11.13 FeO(tot): Fe2O3: FeO : MgO : 6.25 CaO : 11.62 Na2O : 2.61 K2O : 0.11 TiO2 : 1.87 MnO : 0.18 P2O5 : 0.17 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.56 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 2F Hole: 474A Top/Bottom Interval(mm): 990/ 0 Core: 45 Sample Depth: 572.99 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 48.8 Al2O3: 16.0 Fe2O3(tot): 11.16 FeO(tot): Fe2O3: FeO : MgO : 7.30 CaO : 11.29 Na2O : 2.65 K2O : 0.15 TiO2 : 1.85 MnO : 0.17 P2O5 : 0.20 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.64 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 3 Hole: 474A Top/Bottom Interval(mm): 660/ 0 Core: 45 Sample Depth: 574.16 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.0 Al2O3: 15.7 Fe2O3(tot): 10.94 FeO(tot): Fe2O3: FeO : MgO : 7.51 CaO : 10.92 Na2O : 2.49 K2O : 0.15 TiO2 : 1.85 MnO : 0.17 P2O5 : 0.23 LOI : 0.91 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.87 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 2A Hole: 474A Top/Bottom Interval(mm): 810/ 0 Core: 45 Sample Depth: 575.81 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.6 Al2O3: 16.1 Fe2O3(tot): 10.78 FeO(tot): Fe2O3: FeO : MgO : 6.65 CaO : 11.59 Na2O : 2.69 K2O : 0.15 TiO2 : 1.78 MnO : 0.17 P2O5 : 0.22 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.75 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 3B Hole: 474A Top/Bottom Interval(mm): 640/ 0 Core: 45 Sample Depth: 577.14 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.2 Al2O3: 16.2 Fe2O3(tot): 10.83 FeO(tot): Fe2O3: FeO : MgO : 6.50 CaO : 11.53 Na2O : 2.77 K2O : 0.12 TiO2 : 1.83 MnO : 0.14 P2O5 : 0.20 LOI : 0.53 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.79 Magnesium#: Comments: PLAG PHYRIC DOLERITE Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 6A Hole: 474A Top/Bottom Interval(mm): 400/ 420 Core: 45 Sample Depth: 578.41 Sect: 5 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.7 Al2O3: 15.9 Fe2O3(tot): 10.81 FeO(tot): Fe2O3: FeO : MgO : 6.70 CaO : 11.32 Na2O : 2.67 K2O : 0.13 TiO2 : 1.78 MnO : 0.14 P2O5 : 0.22 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.41 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 572.00 Piece: 3 Hole: 474A Top/Bottom Interval(mm): 610/ 0 Core: 45 Sample Depth: 580.11 Sect: 6 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 49.4 Al2O3: 16.0 Fe2O3(tot): 10.60 FeO(tot): Fe2O3: FeO : MgO : 6.51 CaO : 11.30 Na2O : 2.65 K2O : 0.14 TiO2 : 1.71 MnO : 0.16 P2O5 : 0.21 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 98.68 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: 2F Hole: 474A Top/Bottom Interval(mm): 1100/1120 Core: 46 Sample Depth: 582.11 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG MODERATELY PHYRIC BASALT SiO2 : 49.4 Al2O3: 16.0 Fe2O3(tot): 10.86 FeO(tot): Fe2O3: FeO : MgO : 7.25 CaO : 11.49 Na2O : 2.70 K2O : 0.15 TiO2 : 1.77 MnO : 0.16 P2O5 : 0.21 LOI : 0.39 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.35 Magnesium#: Comments: ALTERATION RESTRICTED TO REPLACEMENT OF OL BY CLAY.MIN Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: 3 Hole: 474A Top/Bottom Interval(mm): 260/ 290 Core: 46 Sample Depth: 582.78 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 49.1 Al2O3: 16.9 Fe2O3(tot): 10.08 FeO(tot): Fe2O3: FeO : MgO : 6.90 CaO : 12.57 Na2O : 2.32 K2O : 0.12 TiO2 : 1.44 MnO : 0.16 P2O5 : 0.09 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.62 Magnesium#: Comments: PLAG MEGACRYSTS (TO 1 CM) Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: 8A Hole: 474A Top/Bottom Interval(mm): 550/ 0 Core: 46 Sample Depth: 583.05 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-OL-CPX PHYRIC BASALT SiO2 : 48.5 Al2O3: 16.2 Fe2O3(tot): 10.32 FeO(tot): Fe2O3: FeO : MgO : 7.95 CaO : 12.31 Na2O : 2.39 K2O : 0.08 TiO2 : 1.47 MnO : 0.17 P2O5 : 0.10 LOI : 0.54 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.01 Magnesium#: Comments: PLAG MEGACRYSTS (TO 1 CM) Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: Hole: 474A Top/Bottom Interval(mm): 1120/1120 Core: 46 Sample Depth: 583.62 Sect: 2 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 49.06 Al2O3: 16.62 Fe2O3(tot): FeO(tot): Fe2O3: 1.02 FeO : 9.20 MgO : 7.86 CaO : 11.21 Na2O : 2.63 K2O : 0.23 TiO2 : 1.70 MnO : 0.20 P2O5 : 0.11 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .604 Comments: CR2O3 = .05 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: 11B Hole: 474A Top/Bottom Interval(mm): 1230/ 0 Core: 46 Sample Depth: 583.73 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-OL-CPX PHYRIC BASALT SiO2 : 48.8 Al2O3: 16.4 Fe2O3(tot): 10.29 FeO(tot): Fe2O3: FeO : MgO : 7.45 CaO : 12.58 Na2O : 2.39 K2O : 0.08 TiO2 : 1.50 MnO : 0.16 P2O5 : 0.11 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.78 Magnesium#: Comments: SOME MEGACRYSTS OF PLAG + CPX ARE OBSERVED,MINOR ALT. Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 581.00 Piece: 10 Hole: 474A Top/Bottom Interval(mm): 740/ 0 Core: 46 Sample Depth: 584.74 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS APHYRIC BASALT SiO2 : 48.0 Al2O3: 17.0 Fe2O3(tot): 9.80 FeO(tot): Fe2O3: FeO : MgO : 7.60 CaO : 12.39 Na2O : 2.34 K2O : 0.09 TiO2 : 1.37 MnO : 0.16 P2O5 : 0.09 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 98.88 Magnesium#: Comments: PLAG MEGACRYSTS Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 590.00 Piece: 8 Hole: 474A Top/Bottom Interval(mm): 540/ 0 Core: 47 Sample Depth: 590.54 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.5 Al2O3: 17.3 Fe2O3(tot): 9.75 FeO(tot): Fe2O3: FeO : MgO : 7.55 CaO : 12.44 Na2O : 2.57 K2O : 0.09 TiO2 : 1.43 MnO : 0.17 P2O5 : 0.11 LOI : 0.06 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.97 Magnesium#: Comments: ALTERATION (VERY SLIGHT) RESTRICTED TO VEIN Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 590.00 Piece: 18 Hole: 474A Top/Bottom Interval(mm): 1270/ 0 Core: 47 Sample Depth: 591.27 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 49.0 Al2O3: 17.3 Fe2O3(tot): 9.52 FeO(tot): Fe2O3: FeO : MgO : 7.50 CaO : 12.16 Na2O : 2.44 K2O : 0.08 TiO2 : 1.40 MnO : 0.16 P2O5 : 0.12 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.62 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 590.00 Piece: 5A Hole: 474A Top/Bottom Interval(mm): 460/ 480 Core: 47 Sample Depth: 591.97 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.6 Al2O3: 16.9 Fe2O3(tot): 9.93 FeO(tot): Fe2O3: FeO : MgO : 7.60 CaO : 12.07 Na2O : 2.60 K2O : 0.10 TiO2 : 1.47 MnO : 0.16 P2O5 : 0.12 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.60 Magnesium#: Comments: 10-15% PLAG MEGACRYSTS (0.5-1.0 CM WIDE) Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 590.00 Piece: 4 Hole: 474A Top/Bottom Interval(mm): 550/ 0 Core: 47 Sample Depth: 593.55 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.5 Al2O3: 17.0 Fe2O3(tot): 9.79 FeO(tot): Fe2O3: FeO : MgO : 7.75 CaO : 12.25 Na2O : 2.51 K2O : 0.08 TiO2 : 1.41 MnO : 0.16 P2O5 : 0.11 LOI : 0.33 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.91 Magnesium#: Comments: 10-15% PLAG MEGACRYSTS (0.5-1.5 CM) Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 590.00 Piece: 9B Hole: 474A Top/Bottom Interval(mm): 1400/1430 Core: 47 Sample Depth: 595.92 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.1 Al2O3: 17.3 Fe2O3(tot): 9.76 FeO(tot): Fe2O3: FeO : MgO : 7.70 CaO : 12.38 Na2O : 2.53 K2O : 0.08 TiO2 : 1.43 MnO : 0.16 P2O5 : 0.11 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.49 Magnesium#: Comments: 10-15% PLAG MEGACRYSTS (0.5-1.5 CM) Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: 9 Hole: 474A Top/Bottom Interval(mm): 1010/1030 Core: 48 Sample Depth: 600.02 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.3 Al2O3: 16.4 Fe2O3(tot): 10.61 FeO(tot): Fe2O3: FeO : MgO : 7.50 CaO : 12.31 Na2O : 2.42 K2O : 0.11 TiO2 : 1.59 MnO : 0.17 P2O5 : 0.10 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.45 Magnesium#: Comments: PLAG MEGACRYSTS,PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: Hole: 474A Top/Bottom Interval(mm): 1380/1380 Core: 48 Sample Depth: 600.38 Sect: 1 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 49.07 Al2O3: 16.13 Fe2O3(tot): FeO(tot): Fe2O3: 1.06 FeO : 9.52 MgO : 7.56 CaO : 11.24 Na2O : 2.83 K2O : 0.22 TiO2 : 2.15 MnO : 0.14 P2O5 : 0.13 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .586 Comments: CR2O3 = 0 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: 5 Hole: 474A Top/Bottom Interval(mm): 420/ 0 Core: 48 Sample Depth: 600.92 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.5 Al2O3: 17.4 Fe2O3(tot): 9.75 FeO(tot): Fe2O3: FeO : MgO : 7.40 CaO : 12.34 Na2O : 2.48 K2O : 0.10 TiO2 : 1.48 MnO : 0.15 P2O5 : 0.12 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.69 Magnesium#: Comments: PLAG MEGACRYSTS,PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: Hole: 474A Top/Bottom Interval(mm): 930/ 930 Core: 48 Sample Depth: 601.43 Sect: 2 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 50.42 Al2O3: 14.90 Fe2O3(tot): FeO(tot): Fe2O3: 1.00 FeO : 9.02 MgO : 7.42 CaO : 11.61 Na2O : 2.67 K2O : 0.20 TiO2 : 1.71 MnO : 0.16 P2O5 : 0.10 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .595 Comments: CR2O3 = .04 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: Hole: 474A Top/Bottom Interval(mm): 10/ 20 Core: 48 Sample Depth: 602.02 Sect: 3 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 49.89 Al2O3: 15.40 Fe2O3(tot): FeO(tot): Fe2O3: 1.04 FeO : 9.36 MgO : 7.56 CaO : 11.64 Na2O : 2.70 K2O : 0.20 TiO2 : 1.73 MnO : 0.17 P2O5 : 0.09 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .590 Comments: CR2O3 = .04 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: 2B Hole: 474A Top/Bottom Interval(mm): 250/ 0 Core: 48 Sample Depth: 602.25 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-CPX-OL PHYRIC BASALT SiO2 : 48.6 Al2O3: 16.9 Fe2O3(tot): 10.00 FeO(tot): Fe2O3: FeO : MgO : 7.72 CaO : 12.25 Na2O : 2.46 K2O : 0.09 TiO2 : 1.51 MnO : 0.16 P2O5 : 0.11 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.77 Magnesium#: Comments: ABUNDANT 0.5-1 CM PLAG MEGACRYSTS,PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: 1B Hole: 474A Top/Bottom Interval(mm): 140/ 0 Core: 48 Sample Depth: 603.64 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-CPX-OL PHYRIC BASALT SiO2 : 48.1 Al2O3: 17.1 Fe2O3(tot): 9.87 FeO(tot): Fe2O3: FeO : MgO : 7.10 CaO : 12.63 Na2O : 2.31 K2O : 0.08 TiO2 : 1.51 MnO : 0.17 P2O5 : 0.11 LOI : 0.88 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.86 Magnesium#: Comments: ABUNDANT 0.5-1 CM PLAG MEGACRYSTS,PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 599.00 Piece: Hole: 474A Top/Bottom Interval(mm): 820/ 820 Core: 48 Sample Depth: 604.32 Sect: 4 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 49.38 Al2O3: 15.61 Fe2O3(tot): FeO(tot): Fe2O3: 1.13 FeO : 10.15 MgO : 7.16 CaO : 10.91 Na2O : 2.88 K2O : 0.26 TiO2 : 2.13 MnO : 0.19 P2O5 : 0.19 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .557 Comments: CR2O3 = .02 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 608.00 Piece: Hole: 474A Top/Bottom Interval(mm): 20/ 30 Core: 49 Sample Depth: 608.03 Sect: 1 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 50.27 Al2O3: 16.10 Fe2O3(tot): FeO(tot): Fe2O3: 1.06 FeO : 9.52 MgO : 6.60 CaO : 10.25 Na2O : 2.88 K2O : 0.25 TiO2 : 2.15 MnO : 0.20 P2O5 : 0.14 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .553 Comments: CR2O3 = .04 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 608.00 Piece: 3 Hole: 474A Top/Bottom Interval(mm): 190/ 0 Core: 49 Sample Depth: 609.69 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 49.2 Al2O3: 16.3 Fe2O3(tot): 11.03 FeO(tot): Fe2O3: FeO : MgO : 6.55 CaO : 11.75 Na2O : 2.60 K2O : 0.14 TiO2 : 1.87 MnO : 0.17 P2O5 : 0.14 LOI : 0.11 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.86 Magnesium#: Comments: 10% PLAG MEGACRYSTS (2 MM-1.5 CM),PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 608.00 Piece: Hole: 474A Top/Bottom Interval(mm): 310/ 350 Core: 49 Sample Depth: 609.83 Sect: 2 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 49.68 Al2O3: 14.94 Fe2O3(tot): FeO(tot): Fe2O3: 1.18 FeO : 10.62 MgO : 6.85 CaO : 10.90 Na2O : 2.67 K2O : 0.32 TiO2 : 2.35 MnO : 0.16 P2O5 : 0.22 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .535 Comments: CR2O3 = .01 Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01 Values for iron partitioning calculated. Laboratory analysis. Data source is Initial Reports. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 608.00 Piece: 9B Hole: 474A Top/Bottom Interval(mm): 1330/1360 Core: 49 Sample Depth: 612.35 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG-CPX PHYRIC BASALT SiO2 : 48.4 Al2O3: 16.1 Fe2O3(tot): 11.61 FeO(tot): Fe2O3: FeO : MgO : 6.90 CaO : 11.70 Na2O : 2.71 K2O : 0.15 TiO2 : 2.04 MnO : 0.21 P2O5 : 0.16 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.95 Magnesium#: Comments: PLAG MEGACRYSTS TO 1.5 CM,PILLOW BASALT Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 617.00 Piece: 5C Hole: 474A Top/Bottom Interval(mm): 510/ 0 Core: 50 Sample Depth: 619.01 Sect: 2 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG PHYRIC BASALT SiO2 : 48.7 Al2O3: 15.6 Fe2O3(tot): 11.09 FeO(tot): Fe2O3: FeO : MgO : 6.65 CaO : 11.50 Na2O : 2.75 K2O : 0.10 TiO2 : 2.44 MnO : 0.22 P2O5 : 0.20 LOI : 0.83 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.13 Magnesium#: Comments: PLAG MEGACRYSTS TO 1 CM WIDE Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 617.00 Piece: 8 Hole: 474A Top/Bottom Interval(mm): 910/ 0 Core: 50 Sample Depth: 620.91 Sect: 3 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS PLAG MODERATELY PHYRIC BASALT SiO2 : 49.3 Al2O3: 15.2 Fe2O3(tot): 12.08 FeO(tot): Fe2O3: FeO : MgO : 6.70 CaO : 10.85 Na2O : 2.82 K2O : 0.14 TiO2 : 2.35 MnO : 0.17 P2O5 : 0.23 LOI : 0.21 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.93 Magnesium#: Comments: NO MEGACRYSTS Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. Leg : 64 Depth to Top of Core(m): 617.00 Piece: 1A Hole: 474A Top/Bottom Interval(mm): 10/ 40 Core: 50 Sample Depth: 621.53 Sect: 4 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS APHYRIC BASALT SiO2 : 48.7 Al2O3: 15.2 Fe2O3(tot): 11.66 FeO(tot): Fe2O3: FeO : MgO : 7.25 CaO : 10.84 Na2O : 2.80 K2O : 0.23 TiO2 : 2.27 MnO : 0.16 P2O5 : 0.26 LOI : 0.50 H2O+ : H2O- : CO2 : SO3 : S : Total: 99.91 Magnesium#: Comments: Analysis NOT normalized to 100 1n source. Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analyzed. H2O+ uncorrected for iron oxidation. Laboratory analysis. Data source is Hole Summary Book. Results are averages for multiple analyses of the specimen. ship and at one or more shore laboratories or by different techniques. Magnesium number is atomic ration Mg/(Mg+Fe), where Fe is total iron. |
Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
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