(Table 1) Distribution of calcareous nannofossils in DSDP Hole 92-597
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Species abundance: V = very abundant (100+ specimens per field of view), A = abundant (11 to 100 specimens per field of view), C = common (1 to 10 specimens per field of view), F = few (1 specimen per 2 to 10 fields of view), R = rare (1 specimen per 50 fields of view), P = present (1 specimen 50 or more fields of view), - = absent.
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Knüttel, Stephen创建时间：
1986-01-01
