State | Massachusetts |
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Name | Granite of the Fall River pluton |
Geologic age | Proterozoic Z |
Lithologic constituents | Major
Igneous > Plutonic > Granitic > Granite (Pluton)Light-gray, medium-grained, biotite granite, in part mafic-poor. Gneissic in New Bedford area. Includes Bulgarmarsh Granite.
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Comments | Part of Milford-Dedham Zone (Tertiary and Older Rocks). Secondary unit description per MA021. |
References | Zen, E-An (ed.), Goldsmith, R. (comp.), Ratcliffe, N.M. (comp.), Robinson, P. (comp.), Stanley, R.S. (comp.), Hatch, N.L., Jr., Shride, A.F., Weed, E.G.A., and Wones, D.R., 1983, Bedrock Geologic Map of Massachusetts: U.S. Geological Survey, Reston, VA, scale 1: 250,000.https://pubs.er.usgs.gov/publication/70046713 Murray, D.P., Hermes, O.D. and Dunham, T.S., 1990, The New Bedford area; a preliminary assessment, IN Socci, A.D., Skehan, J.W., and Smith, G.W., eds., Geology of the composite Avalon terrane of southern New England: Geological Society of America Special Paper, 245, p. 155-169. |
NGMDB product | |
Counties | Bristol - Plymouth |