Jehanno, Celestine; Lallier-Verges, Elisabeth; Bonnot-Courtois, Chantal; Desprairies, Alain; Bijon, J; Rivière, Marc (1984): Annotated record of the detailed examination of Mn deposits from DSDP Leg 81 (Holes 552A, 553A, 554, 554A) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.875555, In supplement to: Jehanno, C et al. (1984): Fossil Polymetallic Concretions from Deep Sea Drilling Project Leg 81: Mineralogical, Geochemical, and Statistical Studies. In: Roberts, D.G.; Schnitker, D.; et al., Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office, LXXXI, 701-723, https://doi.org/10.2973/dsdp.proc.81.126.1984
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 56.177900 * Median Longitude: -23.407800 * South-bound Latitude: 56.042700 * West-bound Longitude: -23.528200 * North-bound Latitude: 56.290200 * East-bound Longitude: -23.231300
Date/Time Start: 1981-07-31T00:00:00 * Date/Time End: 1981-08-27T00:00:00
Minimum DEPTH, sediment/rock: 20.76 m * Maximum DEPTH, sediment/rock: 234.55 m
Event(s):
81-552A * Latitude: 56.042700 * Longitude: -23.231300 * Date/Time: 1981-07-31T00:00:00 * Elevation: -2301.0 m * Penetration: 183.5 m * Recovery: 182.3 m * Location: North Atlantic/PLATEAU * Campaign: Leg81 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 38 cores; 183.5 m cored; 0 m drilled; 99.4 % recovery
81-553A * Latitude: 56.088700 * Longitude: -23.343500 * Date/Time: 1981-08-07T00:00:00 * Elevation: -2329.0 m * Penetration: 682.5 m * Recovery: 288.8 m * Location: North Atlantic/PLATEAU * Campaign: Leg81 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 57 cores; 513 m cored; 19 m drilled; 56.3 % recovery
81-554 * Latitude: 56.290200 * Longitude: -23.528200 * Date/Time: 1981-08-27T00:00:00 * Elevation: -2576.0 m * Penetration: 76 m * Recovery: 53.7 m * Location: North Atlantic/PLATEAU * Campaign: Leg81 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 7 cores; 66.5 m cored; 9.5 m drilled; 80.8 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Device type | Device | ||||
| 3 | Identification | ID | ||||
| 4 | Sample code/label | Sample label | ||||
| 5 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 6 | Position | Position | Visual description | |||
| 7 | Deposit type | Deposit type | ||||
| 8 | Quantity of deposit | Quantity | ||||
| 9 | Size | Size | ||||
| 10 | Substrate type | Substrate | ||||
| 11 | Sediment type | Sediment | ||||
| 12 | Comment | Comment | ||||
| 13 | Description | Description | ||||
| 14 | File name | File name | ||||
| 15 | Uniform resource locator/link to image | URL image |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
66 data points
Data
| 1 Event | 2 Device | 3 ID | 4 Sample label | 5 Depth sed [m] | 6 Position | 7 Deposit type | 8 Quantity | 9 Size | 10 Substrate | 11 Sediment | 12 Comment | 13 Description | 14 File name | 15 URL image |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 81-552A | Drilling/drill rig (DRILL) | 81-552A-37-1,21-1 | 81-552A-37-1,21 | 173.71 | Buried | Mn nodule | 1 | 7.1x4.4 cm | Core; consolidated sediment | Chalk | Very pale brown mottled foram nanno chalk (Lower Oligocene) | An ellipsoidal Fe-Mn nodule (7.1x4.4 cm). The rind is 0.8 cm thick encrusting an indurated clay ellipsoidal core (Site 552A, Core 37, Cored Interval: 173.5-178.5 m, page 150) | Plate1_dsdp81_26.jpg | Plate1_dsdp81_26.jpg |
| 81-552A | Drilling/drill rig (DRILL) | 81-552A-37-1,70-1 | 81-552A-37-1,70 | 174.20 | Buried | Mn nodule | 1 | Chalk | Olive gray foram nannofossil chalk (Upper Eocene) | Fe-Mn nodule (Site 552A, Core 37, Cored Interval: 173.5-178.5 m, page 150) | ||||
| 81-553A | Drilling/drill rig (DRILL) | 81-553A-9-6,4-6-1 | 81-553A-9-6,4-6 | 234.55 | Buried | Mn nodule | 1 | 2.7 cm | Core; consolidated sediment | Chalk | Overlaying pale brown biosiliceous foram chalk (Upper Eocene). Lower Oligocene- Upper Eocene sedimentary hiatus (Upper Oligocene) | A clay-iron round oxide concretion (2.7 cm) surrounding a 0.3 cm diameter nucleus composed of biogenic sediment replaced by phillipsite and green clays indurated by silica (Site 553A, Core 9, Cored Interval: 227.0-230.5 m, page 155) | Plate6_dsdp81_26.jpg | Plate6_dsdp81_26.jpg |
| 81-554 | Drilling/drill rig (DRILL) | 81-554-3-2,26-1 | 81-554-3-2,26 | 20.76 | In sediment | Mn micronodule | Several | Ooze | Foraminifera ooze and marl alternates (Pleistocene) | 2% Mn micronodules (Site 554, Core 3, Cored Interval: 19.0-28.5 m, page 261) | ||||
| 81-554A | Drilling/drill rig (DRILL) | 1-554A-5-4,20-31-1 | 1-554A-5-4,20-31 | 120.01 | Buried | Mn nodule | Several | Fragment | Chalk | An unconformity between the early and late Eocene. Light olive brown zeolitic calcareous tuff (Lower Eocene) and pale yellow foraminifera chalk (Upper Eocene) | Debris of a nodule (Plate 7, Fig. 1) (Site 554A, Core 5, Cored Interval: 114.0-123.5 m, page 265) | Plate7_dsdp81_26.jpg | Plate7_dsdp81_26.jpg | |
| 81-554A | Drilling/drill rig (DRILL) | 1-554A-5-4,20-31-2 | 1-554A-5-4,20-31 | 120.01 | Buried | Mn crust | 1 | Consolidated sediment | Chalk | An unconformity between the early and late Eocene. Light olive brown zeolitic calcareous tuff (Lower Eocene) and pale yellow foraminifera chalk (Upper Eocene) | Mn crust. Aggregates of Fe-Mn micronodules and indurated sediment formed by biogenic carbonate and phosphatic debris (fish teeth) (Site 554A, Core 5, Cored Interval: 114.0-123.5 m, page 265) |
