| 词条 | Glenmark Shale |
| 释义 |
| name = Glenmark Shale | image = | caption = | type = Formation | age = Silurian | prilithology = | otherlithology = | namedfor = | namedby = | region = {{Flag|New York}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Glenmark Shale is a geologic formation in New York. It preserves fossils dating back to the Silurian period. See also{{Portal|Earth sciences|New York|Paleontology|Silurian|Paleozoic}}
References
1 : Silurian geology of New York (state) |
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