(Table 8) Distribution of calcareous nannofossils in ODP Hole 117-730A
收藏B2FIND2026-03-19 收录
官方服务：
资源简介：
Species abundance: A = abundant (1-10 specimens per field of view at 1500 X=, C = common (1 specimen per 2- 10 fields), F = few (1 specimen per 11-100 fields), R = rare (1...
物种丰度（Species abundance）：A=丰富（abundant，1500倍放大视野下每视野可见1~10个标本）；C=常见（common，每2~10个视野可见1个标本）；F=稀少（few，每11~100个视野可见1个标本）；R=稀有（rare，1……
