State | Pennsylvania |
---|---|
Name | Metadiabase |
Geologic age | Precambrian |
Lithologic constituents | Major
Metamorphic > Metaigneous > Metaintrusive > Metadiabasemetadiabase - dark-gray, fine-grained intrusives; locally, mineralogy is altered and unit has greenish color.
|
References | Berg, T.M., Edmunds, W.E., Geyer, A.R., and others, compilers, 1980, Geologic map of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Map 1, 2nd ed., 3 sheets, scale 1:250,000.Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, Miles, C.E., and Whitfield, T.G., compilers, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map, scale 1:250,000. |
NGMDB product | |
Counties | Berks - Bucks - Chester - Lehigh - Montgomery |