Helm, Roger (1985): (Table 1) Mineral composition of serpentinitic mud (>63 µm and <63 µm) and serpentinites at DSDP Leg 84 Holes [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.803886, In supplement to: Helm, R (1985): Mineralogy and geochemistry of weathered serpentinites, Deep Sea Drilling Project Leg 84. In: von Heune, R; Aubouin, J; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 84, 595-607, https://doi.org/10.2973/dsdp.proc.84.116.1985
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 12.938433 * Median Longitude: -91.006067 * South-bound Latitude: 12.716000 * West-bound Longitude: -91.392800 * North-bound Latitude: 13.285300 * East-bound Longitude: -90.692200
Date/Time Start: 1982-01-24T00:00:00 * Date/Time End: 1982-02-17T00:00:00
Minimum Elevation: -5500.0 m * Maximum Elevation: -1698.0 m
Event(s):
84-566C * Latitude: 12.814000 * Longitude: -90.692200 * Date/Time: 1982-01-24T00:00:00 * Elevation: -3661.0 m * Penetration: 136.6 m * Recovery: 5.3 m * Location: North Pacific * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 5 cores; 46.7 m cored; 19.1 m drilled; 11.4 % recovery
84-567 * Latitude: 12.716000 * Longitude: -90.933200 * Date/Time: 1982-01-29T00:00:00 * Elevation: -5500.0 m * Penetration: 176.1 m * Location: North Pacific/SLOPE * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 0 cores; 0 m cored; 0 m drilled; % recovery
84-570 * Latitude: 13.285300 * Longitude: -91.392800 * Date/Time: 1982-02-17T00:00:00 * Elevation: -1698.0 m * Penetration: 401.9 m * Recovery: 164.5 m * Location: North Pacific/SLOPE * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 382.6 m cored; 19.3 m drilled; 43 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Sample code/label | Sample label | Helm, Roger | DSDP/ODP/IODP sample designation | ||
| 6 | Serpentine | Srp | Helm, Roger | Electron microscopy | ||
| 7 | Rock type | Rock | Helm, Roger | Electron microscopy | ||
| 8 | Grain size description | Grain size descr | Helm, Roger | Grain size, sieving | Empty cells indicate that the first four samples are hard rock, so they have no grain size |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
60 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Elevation [m] | 5 Sample label | 6 Srp | 7 Rock | 8 Grain size descr |
|---|---|---|---|---|---|---|---|
| 84-566C | 12.8140 | -90.6922 | -3661 | 84-566C-5-1,1-29 | Lizardite | Serpentinite | |
| 84-566C | 12.8140 | -90.6922 | -3661 | 84-566C-6-1,82-84 | Lizardite | Serpentinite | |
| 84-567 | 12.7160 | -90.9332 | -5500 | 84-567-14-2,134-135 | Lizardite | Serpentinite | |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-41-CC,10-13 | Lizardite | Serpentinite | |
| 84-567 | 12.7160 | -90.9332 | -5500 | 84-567-7-2,77-79 | Lizardite-chrysotile | Serpentinite mud | >63 µm |
| 84-567 | 12.7160 | -90.9332 | -5500 | 84-567-7-2,77-79 | Chrysotile-lizardite | Serpentinite mud | <63 µm |
| 84-567 | 12.7160 | -90.9332 | -5500 | 84-567-17-3,35-37 | Chrysotile-lizardite | Serpentinite mud | <63 µm |
| 84-567 | 12.7160 | -90.9332 | -5500 | 84-567-17-3,35-37 | Lizardite-chrysotile | Serpentinite mud | >63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-39-CC,5-10 | Chrysotile | Serpentinite mud | >63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-39-CC,5-10 | Chrysotile | Serpentinite mud | <63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-40-CC,7-9 | Chrysotile-lizardite | Serpentinite mud | >63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-40-CC,7-9 | Chrysotile | Serpentinite mud | <63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-41-1,78-80 | Chrysotile-lizardite | Serpentinite mud | >63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-41-1,78-80 | Chrysotile | Serpentinite mud | <63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-41-4,31-33 | Chrysotile-lizardite | Serpentinite mud | >63 µm |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-41-4,31-33 | Chrysotile | Serpentinite mud | <63 µm |