(Figure 4) Range chart of calcareous nannofossils in ODP Hole 116-717A@en
收藏DataONE2026-03-15 更新2026-05-19 收录
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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. Nannofossil zone CN15 after Okada and Bukry (1980) and NN21 after Martini (1971)
创建时间：
2026-04-14
