(Table 1) Distribution of calcareous nannofossils at Leggett Well, New Jersey...
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Abundance is characterized by VA= very abundant; C= common; F= few; R= rare; B= barren, EB= essentially barren. For preservation. P= poor; M= moderate; G= good, E= etched; O=...
丰度分级规则如下:VA=极丰富(very abundant);C=常见(common);F=稀少(few);R=罕见(rare);B=贫瘠(barren),EB=近乎贫瘠(essentially barren)。保存状况分级规则如下:P=较差(poor);M=中等(moderate);G=良好(good),E=蚀变(etched);O=……



