Nagel, Ulrich; Müller, German; Schumann, Dieter (1981): (Table 1) Mineralogy of sediments at DSDP Site 61-462 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819858, Supplement to: Nagel, U et al. (1981): Mineralogy of sediments encountered during Leg 61, as determined by x-ray diffraction. In: Larson, RL; Schlanger, SO; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 61, 563-566, https://doi.org/10.2973/dsdp.proc.61.113.1981
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Published: 1981 (exact date unknown) • DOI registered: 2013-10-29
Abstract:
Two holes (462, 462A) were drilled at Site 462 in the Nauru Basin, within an area formed at a fast-spreading Pacific-plate boundary 145 to 155 m.y. ago. Forty-eight sediment samples were received and analyzed by X-ray diffraction according to the methods described in Mann and Müller (1980). Carbonate contents were determined by the "Karbonat-Bombe" method of Müller and Gastner (1971).
The upper 447 meters of the sedimentary section at Hole 462 consists of mainly turbiditic, calcareous, and radiolarian oozes, cherts, chalks, and limestones, which are in turn underlain by volcanogenic and zeolitic sandstones and siltstones (447-561 m). Three sedimentary units have been distinguished; Unit IV - below 561 meters - is predominantly basalt and dolerite with interlayered sediments.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 7.239600 * Median Longitude: 165.031100 * South-bound Latitude: 7.237500 * West-bound Longitude: 165.030500 * North-bound Latitude: 7.241700 * East-bound Longitude: 165.031700
Date/Time Start: 1978-05-28T00:00:00 * Date/Time End: 1978-06-09T00:00:00
Minimum DEPTH, sediment/rock: 33.07 m * Maximum DEPTH, sediment/rock: 720.61 m
Event(s):
61-462 * Latitude: 7.237500 * Longitude: 165.030500 * Date/Time: 1978-05-28T00:00:00 * Elevation: -5181.0 m * Penetration: 617 m * Recovery: 386 m * Campaign: Leg61 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 70 cores; 627.4 m cored; 0 m drilled; 61.5 % recovery
61-462A * Latitude: 7.241700 * Longitude: 165.031700 * Date/Time: 1978-06-09T00:00:00 * Elevation: -5177.0 m * Penetration: 1068.5 m * Recovery: 344 m * Campaign: Leg61 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 90 cores; 619.5 m cored; 14.5 m drilled; 55.5 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Nagel, Ulrich | DSDP/ODP/IODP sample designation | ||
| 3 | Sample ID | Sample ID | Nagel, Ulrich | |||
| 4 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 5 | Clay minerals | Clay min | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; Clay minerals and volcanic glass |
| 6 | Quartz | Qz | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk |
| 7 | Feldspar | Fsp | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; # = about |
| 8 | Pyroxene | Pyrox | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; # = about |
| 9 | Hornblende | Hbl | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; # = about |
| 10 | Carbonates | Carb | % | Nagel, Ulrich | Carbonate bomb (Müller & Gastner, 1971) | Bulk; # = about |
| 11 | Opal-A | Opal-A | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; >1 = present |
| 12 | Cristobalite | Crs | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk |
| 13 | Analcime | Anl | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; #20.8 = Analcime, 4% pyrite |
| 14 | Pyrite, FeS2 | Py | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk; 4% |
| 15 | Clinoptilolite | Cpt | % | Nagel, Ulrich | X-ray diffraction (XRD) | Bulk |
| 16 | Smectite | Sme | % | Nagel, Ulrich | X-ray diffraction (XRD) | Clay; #6 = Rest palygorskite |
| 17 | Illite | Ill | % | Nagel, Ulrich | X-ray diffraction (XRD) | Clay; #70.2 = Rest palygorskite |
| 18 | Chlorite | Chl | % | Nagel, Ulrich | X-ray diffraction (XRD) | Clay |
| 19 | Chlorite+Kaolinite | Chl+Kln | % | Nagel, Ulrich | X-ray diffraction (XRD) | Clay; Not separated, because of very small amounts |
| 20 | Kaolinite | Kln | % | Nagel, Ulrich | X-ray diffraction (XRD) | Clay |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
804 data points
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Datasets with similar metadata
- Moberly, R; Jenkyns, HC (1981): Geochemistry and mineralogy at DSDP Holes 61-462, 61-462A and 33-315A. https://doi.org/10.1594/PANGAEA.819847
- White, S; Bode, GW (1981): (Table 1) Grain-size analyses at DSDP Site 61-462. https://doi.org/10.1594/PANGAEA.819956
- Schorno, KS (1981): (Table 1) Geochemistry on homogenized cores at DSDP Hole 61-462. https://doi.org/10.1594/PANGAEA.819873
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