Underwood, Michael B (1986): (Table 2) Composition of Aleutian Trench sediments [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763453, 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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Coverage:
Median Latitude: 52.035857 * Median Longitude: -166.785714 * South-bound Latitude: 50.800000 * West-bound Longitude: -172.600000 * North-bound Latitude: 53.900000 * East-bound Longitude: -158.400000
Date/Time Start: 1965-09-12T00:00:00 * Date/Time End: 1968-09-02T00:00:00
Minimum DEPTH, sediment/rock: 0.21 m * Maximum DEPTH, sediment/rock: 5.30 m
Event(s):
RC10-210 * Latitude: 50.800000 * Longitude: -172.600000 * Date/Time: 1966-07-27T00:00:00 * Elevation: -7284.0 m * Recovery: 5.07 m * Campaign: RC10 * Basis: Robert Conrad * Method/Device: Piston corer (PC)
RC10-212 * Latitude: 51.100000 * Longitude: -170.100000 * Date/Time: 1966-07-28T00:00:00 * Elevation: -7231.0 m * Recovery: 5.83 m * Campaign: RC10 * Basis: Robert Conrad * Method/Device: Piston corer (PC)
RC10-213 * Latitude: 51.817000 * Longitude: -167.800000 * Date/Time: 1966-07-28T00:00:00 * Elevation: -7196.0 m * Recovery: 3.95 m * Campaign: RC10 * Basis: Robert Conrad * Method/Device: Piston corer (PC)
Comment:
Point counting analysis
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 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:
252 data points