- Usage in publication:
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- Bates limestone
- Modifications:
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- Original reference
- Dominant lithology:
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- Limestone
- AAPG geologic province:
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- New England province
Summary:
Pg. 323. Bates limestone. Metamorphosed limestone. Thickness of individual beds varies from a fraction of a foot to several feet. Cut by granitic, aplitic, and basic dikes. Older than Thorncrag limy gneiss of Tacoma series (both new); younger than Androscoggin gneiss and schist (new). Age is Cambro-Ordovician(?).
Type locality: city quarry located in low hill known locally as "West Rose Hill," in southern part of city of Lewiston, Androscoggin Co., southwestern ME.
[Later, age of Bates limestone changed to Middle Silurian (L.W. Fisher [abs.], 1937, GSA Proc. 1936, p. 71) and included in Androscoggin series (L.W. Fisher [abs.], 1938, GSA Proc. 1937, p. 81).]
Source: US geologic names lexicon (USGS Bull. 1200, p. 235).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).