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Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: University of Rhode Island
Contact the Curator
Ship: Ronald H. Brown
Cruise: RB-03-03 (RB0303)
Sample: 61 - GC
Device: core, gravity
Latitude: 12.3598
Longitude: -61.8037
Water Depth(m): 2554
Date: 20030318
PI: Carey
IGSN: URI000098
Core length (cm): 157
Storage: refrigerated
Province: seamount or seamount province
1 :    0 to 4 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y4/2
Comments: Interbedded with ash (color: 2.5Y2.5/1)
2 :    4 to 5 cm in core
Primary composition: volcanics
Primary texture: ash
Munsell Code: 2.5Y2.5/1
Comments: Discontinuous
3 :    5 to 11 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y3/2
4 :    11 to 12 cm in core
Primary composition: volcanics
Primary texture: ash
Munsell Code: 2.5Y2.5/1
5 :    12 to 21 cm in core
Primary composition: calcareous, biogenic
Primary texture: mud or ooze
Secondary composition: siliceous
Secondary texture: mud or ooze
Components: volcanics
Munsell Code: 5Y5/2
Comments: Smear slide at 12 cm; biologic material: forams, coccoliths, silicoflagellate, sponge spicules, diatoms, crystals(amph,px,aragonite,plg,hematite), scoria/glass, fine sand to clay - ave. silty clay
6 :    21 to 22 cm in core
Primary composition: volcanics
Primary texture: ash
Secondary composition: calcareous, foraminifera
Secondary texture: muddy sand
Components: calcareous, nannofossils
siliceous
siliceous, sponge spicules
Munsell Code: 2.5Y2.5/1
Comments: Smear slide at 22 cm; scoria/glass, crystals(amph,px,plg,aragonite), forams, coccoliths, silicoflagellates, sponge spicules, v. coarse sand to clay - ave. v. fine sand
7 :    22 to 27 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/2
8 :    27 to 31 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y4/2
9 :    31 to 42 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Secondary composition: calcareous, nannofossils
Secondary texture: mud or ooze
Components: calcareous, foraminifera
siliceous, sponge spicules
siliceous, diatoms
Munsell Code: 5Y5/2
Comments: Smear slide at 35 cm; crystals(aragonite, px, plg, amph), coccoliths, forams, scoria/glass, sponge spicules, diatoms, fine sand to clay - ave. clay
10 :    42 to 44 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y3/1
Comments: Mottled with clayey slit (color: 2.5Y3/1)
11 :    44 to 45 cm in core
Primary composition: volcanics
Primary texture: ash
Secondary composition: siliceous, sponge spicules
Secondary texture: sandy mud or ooze
Munsell Code: 2.5Y2.5/1
Comments: Discontinuous, smear slide at 44 cm; glass/scoria, crystals(px,amph,plg,aragonite)sponge spicules, coccoliths, forams, diatoms, fine sand to clay - ave. clayey silt
12 :    45 to 45 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y4/2
13 :    45 to 46 cm in core
Primary composition: volcanics
Primary texture: ash
Munsell Code: 2.5Y2.5/1
14 :    46 to 53 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y4/2
Comments: Bioturbated?
15 :    53 to 55 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y3/1
Comments: Bioturbated?
16 :    55 to 71 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/2
Comments: Interbedded with thin ash layers, bioturbated?
17 :    71 to 72 cm in core
Primary composition: volcanics
Primary texture: ash
Munsell Code: 2.5Y2.5/1
Comments: Discontinuous
18 :    72 to 75 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
19 :    75 to 95 cm in core
Primary composition: calcareous, foraminifera
Primary texture: sandy mud or ooze
Secondary composition: calcareous, nannofossils
Secondary texture: sandy mud or ooze
Components: volcanics
siliceous, sponge spicules
Munsell Code: 5Y5/2
Comments: Smear slide at 84 cm; forams, coccoliths, crystals(amph, aragonite, hematite, plg, px), sponge spicules, very fine sand to clay - ave. clayey silt.
20 :    95 to 101 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
21 :    101 to 104 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
22 :    104 to 108 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
23 :    108 to 109 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/2
24 :    109 to 113 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
25 :    113 to 114 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y3/2
Comments: Discontinuous
26 :    114 to 117 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/2
27 :    117 to 120 cm in core
Primary composition: calcareous, foraminifera
Primary texture: sandy mud or ooze
Secondary composition: volcanics
Secondary texture: sandy mud or ooze
Components: calcareous, nannofossils
siliceous, sponge spicules
Munsell Code: 5Y3/2
Comments: Smear slide at 119 cm; forams, crystals(amph,px,plg, aragonite, hematite, calcite, glauconite), glass/scoria, coccoliths, sponge spicules, fine sand to clay - ave. coarse silt
28 :    120 to 120 cm in core
Primary composition: volcanics
Primary texture: ash
Munsell Code: 2.5Y2.5/1
29 :    120 to 133 cm in core
Primary composition: calcareous, nannofossils
Primary texture: sandy mud or ooze
Secondary composition: calcareous, foraminifera
Secondary texture: sandy mud or ooze
Components: volcanics
siliceous, sponge spicules
siliceous, diatoms
Munsell Code: 5Y6/2
Comments: Smear slide at 128 cm; coccoliths, forams, crystals(aragonite, amph, px,plg), glass/scoria, sponge spicules, diatoms, med. sand to clay - ave. clay
30 :    133 to 136 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/1
Comments: Mottled with silty clay (color: 5Y5/2), bioturbated
31 :    136 to 143 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y5/2
32 :    143 to 146 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y6/2
Comments: Mottled with clay (color: 2.5Y4/1), bioturbated
33 :    146 to 149 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y6/2
Comments: Angled layer, discontinuous
34 :    149 to 150 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y4/1
Comments: Angled layer
35 :    150 to 151 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y6/2
Comments: Angled layer
36 :    151 to 151 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 5Y4/1
37 :    151 to 154 cm in core
Primary composition: volcanics
Primary texture: sandy mud or ooze
Secondary composition: calcareous, foraminifera
Secondary texture: sandy mud or ooze
Components: calcareous, nannofossils
siliceous, sponge spicules
Munsell Code: 5Y5/2
Comments: Interbedded with clay (color: 2.5Y4/2), smear slide at 153 cm; crystals(aragonite, amph, px,plg), forams, coccoliths, sponge spicules, glass/scoria, fine sand to clay, ave. silt
38 :    154 to 157 cm in core
Primary composition: volcanics
Primary texture: mud or ooze
Munsell Code: 2.5Y5/2
Comments: Interbedded with clay (color: 5Y4/1)
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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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