152crete samples. The detailed magnetic mineralogy and properties of the sedimentary sequences are discussed elsewhere (Fukuma, this volume). The coring operation was accomplished with the hydraulic piston corer (APC) at Sites 918 (63°5′N, 38°38′W, 110 km from the coast of southeast Greenland) and 9...
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| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.543.2528 http://www-odp.tamu.edu/publications/152_SR/VOLUME/CHAP_22.PDF |
| Summary: | 152crete samples. The detailed magnetic mineralogy and properties of the sedimentary sequences are discussed elsewhere (Fukuma, this volume). The coring operation was accomplished with the hydraulic piston corer (APC) at Sites 918 (63°5′N, 38°38′W, 110 km from the coast of southeast Greenland) and 919 (62°40′N, 37°28′W, 75 km seaward of Site 918) down to 171.3 and 147.0 m below seafloor (mbsf), re-spectively. The recovery rates by the APC were 101.3 % at Hole 918A and 100.1 % and 102.1 % for Holes 919A and 919B. At Hole 918A, below APC refusal, sediment cores drilled with the extended core barrel (XCB) down to 332.7 mbsf did not provide a continuous sedimentary sequence (the recovery rate was 53.8%). At Hole 918D, the rotary core barrel (RCB) coring proceeded into deeper sections, but the recovery rate was very poor above 500 mbsf. Thus, shore-oto University. All the discrete samples were stepwise AF demagne- |
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