Stoeser, Douglas B (1975): Chemistry of igneous rocks of DSDP Leg 30 holes. PANGAEA, https://doi.org/10.1594/PANGAEA.770327, Supplement to: Stoeser, DB (1975): Igneous Rocks from Leg 30 of the Deep Sea Drilling Project. In: Packham, GH, Andrews, JE, et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Government Print Office), 30, 401-414, https://doi.org/10.2973/dsdp.proc.30.108.1975
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Igneous rock units were encountered at four of the five sites drilled on Leg 30 of the Deep Sea Drilling Project. These units uncluded a diabase sill at Site 285, a basalt underlain by a gabbro at 286, two basalt flows at 287, and a basalt flow at 289. Site 285 is located approximately in the center of the South Fiji Basin, Site 286 is adjacent to a filled portion of the New Hebrides Trench, Site 287 is adjacent to a basement high in the Coral Sea Basin, and Sites 288 and 289 are located on the Ontong-Java Plateau north of the Solomon Islands (Figure 1).
Figure 2 presents generalized lithologic columns for the igneous rock units found at these sites. When a unit number is given, e.g., Site 286, Unit 4 basalt, this number conforms with the unit number assigned to it in the overall stratigraphic sequence of that hole as defined in the individual Site Reports in this volume. Unless otherwise stated, depths are given as measured from the sediment-igneous rock contact rather than the mudline.
Median Latitude: -21.658530 * Median Longitude: 170.589268 * South-bound Latitude: -26.819300 * West-bound Longitude: 153.265500 * North-bound Latitude: -0.498700 * East-bound Longitude: 175.804000
Date/Time Start: 1973-04-29T00:00:00 * Date/Time End: 1973-05-31T00:00:00
30-285A * Latitude: -26.819300 * Longitude: 175.804000 * Date/Time: 1973-04-29T00:00:00 * Elevation: -4658.0 m * Penetration: 584 m * Recovery: 46.3 m * Location: South Pacific/BASIN * Campaign: Leg30 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 9 cores; 86.5 m cored; 0 m drilled; 53.5 % recovery
30-286 * Latitude: -16.532000 * Longitude: 166.369700 * Date/Time: 1973-05-07T00:00:00 * Elevation: -4465.0 m * Penetration: 706 m * Recovery: 169.5 m * Location: South Pacific * Campaign: Leg30 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 41 cores; 383 m cored; 0 m drilled; 44.3 % recovery
30-287 * Latitude: -13.911200 * Longitude: 153.265500 * Date/Time: 1973-05-15T00:00:00 * Elevation: -4632.0 m * Penetration: 252 m * Recovery: 68.7 m * Location: South Pacific/Coral Sea * Campaign: Leg30 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 147.5 m cored; 0 m drilled; 46.6 % recovery
Datasets listed in this publication series
- Stoeser, DB (1975): (Table 1) Chemistry of mafic minberals of DSDP Hole 30-285A. https://doi.org/10.1594/PANGAEA.770322
- Stoeser, DB (1975): (Table 2) Anorthite content of plagioclase from DSDP Hole 30-285A. https://doi.org/10.1594/PANGAEA.770323
- Stoeser, DB (1975): (Table 3) Major element content of whole-rock samples of DSDP Leg 30 holes. https://doi.org/10.1594/PANGAEA.770325
- Stoeser, DB (1975): (Table 4) Trace element content of igneous rocks of DSDP Leg 30 holes. https://doi.org/10.1594/PANGAEA.770326