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Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: National Lacustrine Core Repository
Contact the Curator
Ship: Kerry Kelts
Cruise: GLAD1
Hole: GLAD1-GSL00-1C
Device: downhole coring
Lake: Great Salt Lake
Latitude: 41.09515
Longitude: -112.36592
Water Depth(m): 8
Date: 20000819
PI: David Dinter, Brian Haskell, Doug Schnurrenberger, Manuel Palacios, Joe Rosenbaum, Walt Dean, Andy Cohen
Core length (cm): 5068
Diameter (cm): 6
Storage: refrigerated
Province: lake, salt water inland

Country: USA; State/Province: Utah/Idaho; County/Region: Box Elder; Elevation (m): 1281; LacCoreID: GLAD1-GSL00-1C; Date: 2000-08-19; Water Depth: 8.4m; Sediment Depth: 11.13-50.67m; Position: exact (read from GPS); Sample Type: core
1 :    GLAD1-GSL00-1C-1H   1112 to 1219 0 cm to 108 cm downhole (device=core, piston) Unit: IV
Data/Photo: barrel sheet
Geologic Age: Holocene
Comments: hydraulic piston core site location: Box Elder County Utah/Idaho, USA; exact position (read from GPS)
Description: Gray aragonite muds, salt lenses and algal mats
2 :    GLAD1-GSL00-1C-2M   1214 to 1496 0 cm to 108 cm downhole (device=drill, sediment) Unit: VI
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: GLight and dark gray aragonite muds in cm-thick layers with some algal mats and think salt crust and isolated salt crystals in the upper part of the unit (top of core to 12.15 m blf) and Cm to dm-thick salt layers and black laminated organic matter rich carbonate muds with quartz- silts and sandy silty carbonate mud (sapropels). Salt layers facies contain fine-grained layers and coarse (> 1 cm long) crystal layers. Algal mat and algae-rich intervals also occur (12.15 to 25.20 m blf).
3 :    GLAD1-GSL00-1C-3M   1514 to 1685 0 cm to 171 cm downhole (device=drill, sediment) Unit: VI
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: Light and dark gray aragonite muds in cm-thick layers with some algal mats and think salt crust and isolated salt crystals in the upper part of the unit (top of core to 12.15 m blf) and Cm to dm-thick salt layers and black laminated organic matter rich carbonate muds with quartz- silts and sandy silty carbonate mud (sapropels). Salt layers facies contain fine-grained layers and coarse (> 1 cm long) crystal layers. Algal mat and algae-rich intervals also occur (12.15 to 25.20 m blf).
4 :    GLAD1-GSL00-1C-4M   1814 to 2080 0 cm to 266 cm downhole (device=drill, sediment) Unit: VI
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: Light and dark gray aragonite muds in cm-thick layers with some algal mats and think salt crust and isolated salt crystals in the upper part of the unit (top of core to 12.15 m blf) and Cm to dm-thick salt layers and black laminated organic matter rich carbonate muds with quartz- silts and sandy silty carbonate mud (sapropels). Salt layers facies contain fine-grained layers and coarse (> 1 cm long) crystal layers. Algal mat and algae-rich intervals also occur (12.15 to 25.20 m blf).
5 :    GLAD1-GSL00-1C-5M   2114 to 2414 0 cm to 300 cm downhole (device=drill, sediment) Unit: VI
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: Light and dark gray aragonite muds in cm-thick layers with some algal mats and think salt crust and isolated salt crystals in the upper part of the unit (top of core to 12.15 m blf) and Cm to dm-thick salt layers and black laminated organic matter rich carbonate muds with quartz- silts and sandy silty carbonate mud (sapropels). Salt layers facies contain fine-grained layers and coarse (> 1 cm long) crystal layers. Algal mat and algae-rich intervals also occur (12.15 to 25.20 m blf).
6 :    GLAD1-GSL00-1C-6M   2414 to 2520 0 cm to 105 cm downhole (device=drill, sediment) Unit: VI
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: Light and dark gray aragonite muds in cm-thick layers with some algal mats and think salt crust and isolated salt crystals in the upper part of the unit (top of core to 12.15 m blf) and Cm to dm-thick salt layers and black laminated organic matter rich carbonate muds with quartz- silts and sandy silty carbonate mud (sapropels). Salt layers facies contain fine-grained layers and coarse (> 1 cm long) crystal layers. Algal mat and algae-rich intervals also occur (12.15 to 25.20 m blf).
7 :    GLAD1-GSL00-1C-6M   2520 to 2563 105 cm to 149 cm downhole (device=drill, sediment) Unit: VII
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: diamond core bit
Description: Laminated, black carbonate (aragonite, dolomite, calcite) muds w. diatoms and without salt layers
8 :    GLAD1-GSL00-1C-7H   2549 to 2620 0 cm to 70 cm downhole (device=core, piston) Unit: VII
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Laminated, black carbonate (aragonite, dolomite, calcite) muds w. diatoms and without salt layers
9 :    GLAD1-GSL00-1C-7H   2620 to 2809 70 cm to 260 cm downhole (device=core, piston) Unit: VIII
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Well-bedded peat, peaty sands, silts and silty carbonate (calcite) muds in dm-thick fining upward sequences. The top subunit also contain 4 dm-thick fining upward sequences from peaty sands to carbonate muds, the middle one is dominated by brown sand intervals and the sequences are thicker, the bottom subunits is composed of laminated gray muds and quartz sands with calcite mud in dm- thick sequences (up to 10).
10 :    GLAD1-GSL00-1C-8H   2804 to 2992 0 cm to 197 cm downhole (device=core, piston) Unit: VIII
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Well-bedded peat, peaty sands, silts and silty carbonate (calcite) muds in dm-thick fining upward sequences. The top subunit also contain 4 dm-thick fining upward sequences from peaty sands to carbonate muds, the middle one is dominated by brown sand intervals and the sequences are thicker, the bottom subunits is composed of laminated gray muds and quartz sands with calcite mud in dm- thick sequences (up to 10).
11 :    GLAD1-GSL00-1C-8H   2992 to 3040 197 cm to 236 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
12 :    GLAD1-GSL00-1C-9H   3040 to 3333 0 cm to 293 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
13 :    GLAD1-GSL00-1C-10H   3353 to 3647 0 cm to 294 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
14 :    GLAD1-GSL00-1C-11H   3640 to 3953 0 cm to 313 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
15 :    GLAD1-GSL00-1C-12H   3940 to 4237 0 cm to 297 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
16 :    GLAD1-GSL00-1C-13H   4240 to 4464 0 cm to 224 cm downhole (device=core, piston) Unit: IX
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Bonneville: finely laminated variegated (green, gray, black) muds and Q-clays and diatomaceous clays. The Hansel valley tephra occurs at 1C 8H-3, 13-14 cm. The dominance of green, gray or black muds allows the identification of three main subunits. An erosive unconformity occurs at 9H-1, 70 cm (base of subunit a). Several mm-thick sandy lenses occur in subunit b. Mm- thick lamination and cm-thick bedding occur in the lower subunit.
17 :    GLAD1-GSL00-1C-13H   4464 to 4524 224 cm to 284 cm downhole (device=core, piston) Unit: X
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Carbonate (dolomite-rich) light gray muds in cm thick layers with silts and sand layers and some horizons with mottling and edaphic features. The upper subunit a is characterized by the presence of several indurated dolomite mud layers. The subunit b is composed of sand and mud layers with some indurated carbonate layers. Subunit c contain numerous fining upward sequences (massive sand, silt and mud) with intervals with purple mottling
18 :    GLAD1-GSL00-1C-14H   4540 to 4837 0 cm to 297 cm downhole (device=core, piston) Unit: X
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Carbonate (dolomite-rich) light gray muds in cm thick layers with silts and sand layers and some horizons with mottling and edaphic features. The upper subunit a is characterized by the presence of several indurated dolomite mud layers. The subunit b is composed of sand and mud layers with some indurated carbonate layers. Subunit c contain numerous fining upward sequences (massive sand, silt and mud) with intervals with purple mottling
19 :    GLAD1-GSL00-1C-15H   5056 to 5068 0 cm to 216 cm downhole (device=core, piston) Unit: X
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Carbonate (dolomite-rich) light gray muds in cm thick layers with silts and sand layers and some horizons with mottling and edaphic features. The upper subunit a is characterized by the presence of several indurated dolomite mud layers. The subunit b is composed of sand and mud layers with some indurated carbonate layers. Subunit c contain numerous fining upward sequences (massive sand, silt and mud) with intervals with purple mottling
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When you refer to individual samples/data in the IMLGS, please cite each source repository whose data you use.

More Information and how to cite the IMLGS: doi:10.7289/V5H41PB8.


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