Underwood, Michael B (1986): (Table 1) Composition of sediments of Aleutian DSDP sites [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763452, In supplement to: Underwood, MB (1986): Sediment provenance within subduction complexes - an example from the Aleutian forearc. Sedimentary Geology, 51(1-2), 57-73, https://doi.org/10.1016/0037-0738(86)90024-2
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 55.721875 * Median Longitude: -154.364400 * South-bound Latitude: 51.130200 * West-bound Longitude: -174.005700 * North-bound Latitude: 57.438300 * East-bound Longitude: -147.131000
Date/Time Start: 1971-06-30T00:00:00 * Date/Time End: 1971-08-09T00:00:00
Minimum Elevation: -4923.0 m * Maximum Elevation: -3086.0 m
Event(s):
18-178 * Latitude: 56.956300 * Longitude: -147.131000 * Date/Time: 1971-06-30T00:00:00 * Elevation: -4218.0 m * Penetration: 794.5 m * Recovery: 212.5 m * Location: North Pacific/PLAIN * Campaign: Leg18 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 53 cores; 471.5 m cored; 48 m drilled; 45.1 % recovery
18-180 * Latitude: 57.362700 * Longitude: -147.856200 * Date/Time: 1971-07-08T00:00:00 * Elevation: -4923.0 m * Penetration: 470.5 m * Recovery: 80.5 m * Location: North Pacific/TRENCH * Campaign: Leg18 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 190 m cored; 47.5 m drilled; 42.4 % recovery
18-181 * Latitude: 57.438300 * Longitude: -148.464700 * Date/Time: 1971-07-11T00:00:00 * Elevation: -3086.0 m * Penetration: 369 m * Recovery: 106.1 m * Location: North Pacific/SLOPE * Campaign: Leg18 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 29 cores; 249.4 m cored; 9.5 m drilled; 42.5 % recovery
Comment:
Point counting analysis
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Underwood, Michael B | DSDP/ODP/IODP sample designation | ||
| 3 | Quartz, monocrystalline | MonoQz | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 4 | Quartz, polycrystalline | PolyQz | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 5 | Chert | Chert | % | Underwood, Michael B | Counting 63-500 µm fraction | cryptocrystalline quartz |
| 6 | Plagioclase | Pl | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 7 | Kalifeldspar | Kfs | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 8 | Volcanic glass | Volc glass | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 9 | Rock fragments | Rock fragm | % | Underwood, Michael B | Counting 63-500 µm fraction | volcanic |
| 10 | Rock fragments | Rock fragm | % | Underwood, Michael B | Counting 63-500 µm fraction | sedimentary |
| 11 | Rock fragments | Rock fragm | % | Underwood, Michael B | Counting 63-500 µm fraction | metamorphic |
| 12 | Heavy minerals | HM | % | Underwood, Michael B | Counting 63-500 µm fraction | |
| 13 | Fragments | Fragm | % | Underwood, Michael B | Counting 63-500 µm fraction | biogenic fragments + carbonate grains + mica + opaque grains + oxidized + unknown |
| 14 | Total counts | Total counts | # | Underwood, Michael B | Counting 63-500 µm fraction |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
416 data points