宾夕法尼亚语
粉砂岩
地质学
古生物学
千枚岩
冰期
相
变质岩
片岩
构造盆地
作者
E-an Zen,Sergius H. Mamay
出处
期刊：Science
[American Association for the Advancement of Science]
日期：1968-07-12
卷期号：161 (3837): 157-158
被引量：4
标识
DOI：10.1126/science.161.3837.157
摘要
A possible glacial boulder of undeformed and unmetamorphosed siltstone containing Middle Pennsylvanian plant fossils was recovered from the Bronx. The rock cannot be explained by known geologic relations and suggests the possibility of undetected outliers of Pennsylvanian rocks in the Hudson valley.
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