单词 | green mud |
释义 | green mud [¦grēn `mǝd] GEOLOGY 1. A fine-grained, greenish terrigenous mud or oceanic ooze found near the edge of a continental shelf at depths of 300-7500 feet (90-2300 meters). 2. A deep-sea terrigenous deposit characterized by the presence of a considerable proportion of glauconite and calcium carbonate. |
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