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(Tab. 7) Occurence of microfossils in Late Jurassic sediments of DSDP Hole 50...
R = rare (1-5 specimens), C = common (6-20 specimens), A = abundante (significant occurence). Samples 50-416A-7-1,120-125, 50-416A-10-2,111-113, 50-416A-11-4,16-18,... -
(Table 2) Distribution of microfossils in the Barrow Group of ODP Site 122-763
species abundance: P = present (1-4 specimens per 10 ccm sample), C = common (>5 specimens per sample), - = absent