Leg : 64 Depth to Top of Core(m): 76.00 Piece: 1 Hole: 475B Top/Bottom Interval(mm): 20/ 50 Core: 2 Sample Depth: 76.04 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS OL-PLAG MODERATELY PHYRIC BASALT SiO2 : 47.2 Al2O3: 16.4 Fe2O3(tot): 10.72 FeO(tot): Fe2O3: FeO : MgO : 9.47 CaO : 11.18 Na2O : 2.75 K2O : 0.14 TiO2 : 1.29 MnO : 0.14 P2O5 : 0.08 LOI : 0.69 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.11 Magnesium#: Comments: SLIGHTLY BROWN ALTERATION RIM 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): 76.00 Piece: Hole: 475B Top/Bottom Interval(mm): 320/ 400 Core: 2 Sample Depth: 76.36 Sect: 1 Analyst Name: Fornari, D. Analytical Method(s): Electron microprobe Electron microprobe Electron microprobe Alteration Rock type Rock name IGNEOUS BASALTIC GLASS SiO2 : 48.06 Al2O3: 18.01 Fe2O3(tot): FeO(tot): Fe2O3: 0.93 FeO : 8.38 MgO : 8.40 CaO : 11.36 Na2O : 3.00 K2O : 0.14 TiO2 : 1.47 MnO : 0.17 P2O5 : 0.07 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: Magnesium#: .641 Comments: CR2O3 = .03 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): 85.50 Piece: 1 Hole: 475B Top/Bottom Interval(mm): 20/ 50 Core: 3 Sample Depth: 85.54 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Moderate IGNEOUS OL-PLAG MODERATELY PHYRIC BASALT SiO2 : 47.2 Al2O3: 16.6 Fe2O3(tot): 10.44 FeO(tot): Fe2O3: FeO : MgO : 8.66 CaO : 11.56 Na2O : 2.90 K2O : 0.17 TiO2 : 1.33 MnO : 0.14 P2O5 : 0.09 LOI : 1.26 H2O+ : H2O- : CO2 : SO3 : S : Total: 100.32 Magnesium#: Comments: MICROPHENOS,SLIGHT ALTERATION RIM AND GLASSY SELVAGE 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): 95.00 Piece: 1 Hole: 475B Top/Bottom Interval(mm): 20/ 50 Core: 4 Sample Depth: 95.04 Sect: 1 Analyst Name: Analytical Method(s): X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence Alteration Rock type Rock name Fresh IGNEOUS OL-PLAG PHYRIC BASALT SiO2 : 46.8 Al2O3: 16.2 Fe2O3(tot): 10.31 FeO(tot): Fe2O3: FeO : MgO : 10.68 CaO : 11.48 Na2O : 2.76 K2O : 0.12 TiO2 : 1.27 MnO : 0.21 P2O5 : 0.08 LOI : H2O+ : H2O- : CO2 : SO3 : S : Total: 99.88 Magnesium#: Comments: MICROPHENOS,COULD NOT TELL WHICH PIECE WAS SAMPLED 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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