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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-GSL00-4E
Device: downhole coring
Lake: Great Salt Lake
Latitude: 41.13052
Longitude: -112.56281
Water Depth(m): 9
Date: 20000827
PI: David Dinter, Brian Haskell, Doug Schnurrenberger, Manuel Palacios, Joe Rosenbaum, Walt Dean, Andy Cohen
Core length (cm): 4360
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-GSL00-4E; Date: 2000-08-27; Water Depth: 9.3m; Sediment Depth: 10.61-43.61m; Position: exact (read from GPS); Sample Type: core
1 :    GLAD1-GSL00-4E-1A   1062 to 1330 0 cm to 268 cm downhole (device=drill, sediment) [compensated depth: 1062 to 1330 cm] Unit: 3
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: extended core bit, rotating site location: Box Elder County Utah/Idaho, USA; exact position (read from GPS)
Description: Salt crust with mm to cm- thick black, ,massive sapropel layers.
2 :    GLAD1-GSL00-4E-2A   1434 to 1567 72 cm to 204 cm downhole (device=drill, sediment) [compensated depth: 1434 to 1567 cm] Unit: 4
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: extended core bit, rotating
Description: Black sapropelic muds. Facies: a) black, mm-laminated sapropelic muds (calcareous, organic matter ooze with diatoms), b) gray, mm laminated muds (organic matter calcareous muds)
3 :    GLAD1-GSL00-4E-2A   1567 to 1654 204 cm to 291 cm downhole (device=drill, sediment) [compensated depth: 1567 to 1654 cm] Unit: 5
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: extended core bit, rotating
Description: Massive to faintly laminated gray carbonate muds. From top to base there are three subunits:1. gray, banded to laminated aragonite muds (base: 4E, 2A-2, 98), 2. Massive, gray dolomite muds (base: 4E 2A-2, 115), 3. Gray, > 1 cm bedded, silty calcareous mud and silty clays.
4 :    GLAD1-GSL00-4E-3H   1670 to 1683 0 cm to 13 cm downhole (device=core, piston) [compensated depth: 1670 to 1683 cm] Unit: 5
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to faintly laminated gray carbonate muds. From top to base there are three subunits:1. gray, banded to laminated aragonite muds (base: 4E, 2A-2, 98), 2. Massive, gray dolomite muds (base: 4E 2A-2, 115), 3. Gray, > 1 cm bedded, silty calcareous mud and silty clays.
5 :    GLAD1-GSL00-4E-3H   1683 to 1804 13 cm to 134 cm downhole (device=core, piston) [compensated depth: 1683 to 1804 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
6 :    GLAD1-GSL00-4E-4H   1970 to 2252 0 cm to 281 cm downhole (device=core, piston) [compensated depth: 1970 to 2252 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
7 :    GLAD1-GSL00-4E-5H   2270 to 2562 0 cm to 291 cm downhole (device=core, piston) [compensated depth: 2270 to 2562 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
8 :    GLAD1-GSL00-4E-6H   2570 to 2865 0 cm to 294 cm downhole (device=core, piston) [compensated depth: 2570 to 2865 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
9 :    GLAD1-GSL00-4E-7H   2870 to 3107 0 cm to 237 cm downhole (device=core, piston) [compensated depth: 2870 to 3107 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
10 :    GLAD1-GSL00-4E-8H   3170 to 3459 0 cm to 289 cm downhole (device=core, piston) [compensated depth: 3170 to 3459 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
11 :    GLAD1-GSL00-4E-9H   3470 to 3589 0 cm to 119 cm downhole (device=core, piston) [compensated depth: 3470 to 3589 cm] Unit: 6
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Finely laminated, variegated (black, green and gray) carbonate muds and clays. Facies:a) black, finely laminated silty clays, b) greenish, finely laminated diatomaceous, algal- rich clays, c) aragonite muds, d) carbonate (aragonite, dolomite) muds, e) sandy lenses, f) irregularly bedded (> 1cm) gray muds. Unit 6 is an alternation of two types of layers of different thickness (from cm to dm):1) finely laminated, variegated facies and 2) irregularly bedded gray facies. Subunits are defined according with the dominance of one facies.From top to base: 1. Black and green, finely laminated diatomaceous clays and organic matter rich silts. The Hansel valley basaltic ash occur at 4E 3H-1, 52- 53 cm. Base: 4E 3H-1, 100 cm. 2. Black, green and gray, finely laminated diatomaceous clays, organic matter-rich silts and aragonite muds. Some mm-thick sand laminae. Base: 4E 3H-2, 73 cm. 3. Irregularly bedded, > cm thick beds, alternating dark gray and light carbonate muds. Base: 4E 4H-1, 135 cm. 4. It is composed of sequences of: i) finely laminated, variegated diatomaceous clays and algal-rich laminae and ii)gray, massive, aragonite and dolomite rich muds. Some layers with flat, black clasts. Base: 4E 5H-2, 8 cm. 5. Finely laminated, black muds (organic, calcareous muds with clasts). Base: 4E 5H-2, 90 cm. 6. Regularly bedded (> 1cm) dark and light gray carbonate muds and green, finely laminated muds. A tephra occurs at 4E 5H-2, 106-107 cm. Base: 4E 7H-1, 45 cm. 7. Irregularly bedded and laminated light and dark gray carbonate muds with some green laminated muds. Base: 4E 7H-2, 25 cm. 8. Laminated, variegated muds. Frequent faults, distorted features. Base: 4E 9H-1, 119
12 :    GLAD1-GSL00-4E-9H   3589 to 3762 119 cm to 292 cm downhole (device=core, piston) [compensated depth: 3589 to 3762 cm] Unit: 7
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to dm-bedded, mottled gray carbonate muds. Frequent pseudomicrokarst structures, roots, soft sediment deformation features.
13 :    GLAD1-GSL00-4E-10H   3770 to 4010 0 cm to 240 cm downhole (device=core, piston) [compensated depth: 3770 to 4010 cm] Unit: 7
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
Description: Massive to dm-bedded, mottled gray carbonate muds. Frequent pseudomicrokarst structures, roots, soft sediment deformation features.
14 :    GLAD1-GSL00-4E-10H   4010 to 4063 240 cm to 293 cm downhole (device=core, piston) [compensated depth: 4010 to 4063 cm] Unit: 8
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
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.
15 :    GLAD1-GSL00-4E-11H   4070 to 4360 0 cm to 290 cm downhole (device=core, piston) [compensated depth: 4070 to 4360 cm] Unit: 8
Data/Photo: barrel sheet
Geologic Age: Pleistocene, Late
Comments: hydraulic piston core
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.
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More Information and how to cite the IMLGS: doi:10.7289/V5H41PB8.


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