A giant piston-corer |
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| Authors: | Charles D. Hollister Armand J. Silva Alan Driscoll |
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| Affiliation: | 1. Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA;2. Worcester Polytechnic Institute, Worcester, Massachusetts 01609, U.S.A. |
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| Abstract: | A new large piston-coring device utilizing well-casing pipe 14 cm (o.d.), 11 cm (i.d.) has obtained cores over 20 m in length in water depths of 100 to 5000 m. Recovery ratios range from 0·76 to 0·87. Penetration varies between 24 and 29 m with a total core weight of 3200–4000 kg and 2 to 3 m of free fall. |
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