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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-GSL00-4B
Device: downhole coring
Lake: Great Salt Lake
Latitude: 41.13065
Longitude: -112.56271
Water Depth(m): 9
Date: 20000828
PI: David Dinter, Brian Haskell, Doug Schnurrenberger, Manuel Palacios, Joe Rosenbaum, Walt Dean, Andy Cohen
Core length (cm): 7520
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-GSL00-4B; Date: 2000-08-28; Water Depth: 9.3m; Sediment Depth: 43.26-75.43m; Position: exact (read from GPS); Sample Type: core
1 :    GLAD1-GSL00-4B-1H   4326 to 4396 0 cm to 70 cm downhole (device=core, piston) [compensated depth: 4326 to 4396 cm] Unit: 8
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core site location: Box Elder County Utah/Idaho, USA; exact position (read from GPS)
Description: Cm-bedded, light and dark gray muds. It is similar to some subunits of unit 6. Facies: a) light gray carbonate muds, b) dark gray carbonate muds, c) greenish, algal-rich finely laminated carbonate muds, d) sandy laminae (calcareous silty sands). Some faults and deformation structures.
2 :    GLAD1-GSL00-4B-1H   4396 to 4615 70 cm to 289 cm downhole (device=core, piston) [compensated depth: 4396 to 4615 cm] Unit: 9
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to > cm bedded mottled carbonate muds. This unit is similar to unit 7.
3 :    GLAD1-GSL00-4B-2H   4626 to 4666 0 cm to 40 cm downhole (device=core, piston) [compensated depth: 4626 to 4666 cm] Unit: 9
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to > cm bedded mottled carbonate muds. This unit is similar to unit 7.
4 :    GLAD1-GSL00-4B-2H   4666 to 4913 40 cm to 287 cm downhole (device=core, piston) [compensated depth: 4666 to 4913 cm] Unit: 10
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Mm- to cm- laminated variegated carbonate muds. Frequent faults.
5 :    GLAD1-GSL00-4B-3H   4926 to 5215 0 cm to 289 cm downhole (device=core, piston) [compensated depth: 4926 to 5215 cm] Unit: 11
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to cm-bedded gray muds with abundant mottling, dewatering structures, roots, pseudomicrokarst. Facies: a) light greenish gray carbonate muds,, b) mottled gray carbonate muds, c) sandy silty laminae.
6 :    GLAD1-GSL00-4B-4H   5226 to 5423 0 cm to 197 cm downhole (device=core, piston) [compensated depth: 5226 to 5423 cm] Unit: 11
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to cm-bedded gray muds with abundant mottling, dewatering structures, roots, pseudomicrokarst. Facies: a) light greenish gray carbonate muds,, b) mottled gray carbonate muds, c) sandy silty laminae.
7 :    GLAD1-GSL00-4B-4H   5423 to 5520 197 cm to 294 cm downhole (device=core, piston) [compensated depth: 5423 to 5520 cm] Unit: 12
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Laminated gray carbonate muds with thin sandy laminae. No mottling
8 :    GLAD1-GSL00-4B-5H   5526 to 5710 0 cm to 183 cm downhole (device=core, piston) [compensated depth: 5526 to 5710 cm] Unit: 13
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to banded gray silty carbonate muds arranged in dm- thick fining upward sequences with subaerial exposure features at top. Some reddish, algal-rich laminae occur.
9 :    GLAD1-GSL00-4B-5H   5710 to 5816 183 cm to 289 cm downhole (device=core, piston) [compensated depth: 5710 to 5816 cm] Unit: 14
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Laminated light and dark gray muds with some sandy lenses and reddish, algal-rich laminae. Dark gray muds occur in layers up to 1 cm thick, light gray layers are up to 2 cm thick.
10 :    GLAD1-GSL00-4B-6H   5826 to 6117 0 cm to 292 cm downhole (device=core, piston) [compensated depth: 5826 to 6117 cm] Unit: 14
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Laminated light and dark gray muds with some sandy lenses and reddish, algal-rich laminae. Dark gray muds occur in layers up to 1 cm thick, light gray layers are up to 2 cm thick.
11 :    GLAD1-GSL00-4B-7H   6126 to 6144 0 cm to 18 cm downhole (device=core, piston) [compensated depth: 6126 to 6144 cm] Unit: 14
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Laminated light and dark gray muds with some sandy lenses and reddish, algal-rich laminae. Dark gray muds occur in layers up to 1 cm thick, light gray layers are up to 2 cm thick.
12 :    GLAD1-GSL00-4B-7H   6144 to 6377 18 cm to 251 cm downhole (device=core, piston) [compensated depth: 6144 to 6377 cm] Unit: 15
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Alternating mm-laminated, cm-laminated and massive layers of gray carbonate muds. Lighter gray layers are more massive and finer than darker layers
13 :    GLAD1-GSL00-4B-7H   6377 to 6414 251 cm to 288 cm downhole (device=core, piston) [compensated depth: 6377 to 6414 cm] Unit: 16
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to banded gray and greenish carbonate muds with cm-thick gypsum layers. Gypsum occurs as crusts, laminated microcrystalline thin layers and intrasedimentary crystals.
14 :    GLAD1-GSL00-4B-8H   6426 to 6719 0 cm to 293 cm downhole (device=core, piston) [compensated depth: 6426 to 6719 cm] Unit: 16
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to banded gray and greenish carbonate muds with cm-thick gypsum layers. Gypsum occurs as crusts, laminated microcrystalline thin layers and intrasedimentary crystals.
15 :    GLAD1-GSL00-4B-9H   6726 to 6779 0 cm to 53 cm downhole (device=core, piston) [compensated depth: 6726 to 6779 cm] Unit: 16
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to banded gray and greenish carbonate muds with cm-thick gypsum layers. Gypsum occurs as crusts, laminated microcrystalline thin layers and intrasedimentary crystals.
16 :    GLAD1-GSL00-4B-10A   6771 to 6876 0 cm to 105 cm downhole (device=core, piston) [compensated depth: 6771 to 6876 cm]
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to banded gray and greenish carbonate muds with cm-thick gypsum layers. Gypsum occurs as crusts, laminated microcrystalline thin layers and intrasedimentary crystals.
17 :    GLAD1-GSL00-4B-11A   6915 to 7063 0 cm to 148 cm downhole (device=core, piston) [compensated depth: 6915 to 7063 cm] Unit: 17
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Salt crust. White, massive white salt crust with bands of darker color and some thin mud laminae intercalated. (This unit groups 17 and 18 units in the poster figure).
18 :    GLAD1-GSL00-4B-11A   7063 to 7212 148 cm to 299 cm downhole (device=core, piston) [compensated depth: 7063 to 7212 cm] Unit: 18
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated variegated (black, gray and green) aragonite muds, quartz- carbonate clays and diatomaceous- rich muds. The upper subunit contains numerous intercalated salt crystals. The lower subnits are dominated by quartz carbonate clays and diatomaceous muds.
19 :    GLAD1-GSL00-4B-12H   7220 to 7428 0 cm to 208 cm downhole (device=core, piston) [compensated depth: 7220 to 7428 cm] Unit: 18
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated variegated (black, gray and green) aragonite muds, quartz- carbonate clays and diatomaceous- rich muds. The upper subunit contains numerous intercalated salt crystals. The lower subnits are dominated by quartz carbonate clays and diatomaceous muds.
20 :    GLAD1-GSL00-4B-12H   7428 to 7499 208 cm to 279 cm downhole (device=core, piston) [compensated depth: 7428 to 7499 cm] Unit: 19
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Dark gray (dolomite muds and carbonate muds with clay) and green finely laminated diatomaceoys silts and muds in cm-thick bundles of laminae. Bundles are composed of : i) alternating green and gray lamina, ii) 1-2 mm thick green laminae and up to 1 cm thick gray laminae, iii) light gray massive calcitic mud, iv) dark gray carbonate and quart silts with salt crystals and v) indurated dolomite muds.
21 :    GLAD1-GSL00-4B-13H   7520 to 7520 0 cm to 0 cm downhole (device=core, piston) [compensated depth: 7520 to 7520 cm] Unit: 19
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Dark gray (dolomite muds and carbonate muds with clay) and green finely laminated diatomaceoys silts and muds in cm-thick bundles of laminae. Bundles are composed of : i) alternating green and gray lamina, ii) 1-2 mm thick green laminae and up to 1 cm thick gray laminae, iii) light gray massive calcitic mud, iv) dark gray carbonate and quart silts with salt crystals and v) indurated dolomite muds.
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More Information and how to cite the IMLGS: doi:10.7289/V5H41PB8.


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