(Figure 6) Range chart of calcareous nannofossils in ODP Hole 116-717C
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资源简介：
X = very rare (1-2 specimens), R = rare 3-5 specimens), F = few 6-20 specimens), C = common (20-100 specimens), A = abundant (>100 specimens), W = very abundant >80%), ? = questionable present, - = not present
提供机构：
Gartner, Stefan创建时间：
1990-01-01
