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Muscovite Quartz Monzonite Gneiss

Muscovite Quartz Monzonite Gneiss - Well foliated to nearly massive quartz monzonite gneiss, generally medium-grained and even textured but locally porphyritic and pegmatitic.
StateMaryland
NameMuscovite Quartz Monzonite Gneiss
Geologic agePaleozoic
Original map labelPzmg
Primary rock typegranitic gneiss
Secondary rock type
Other rock types
Map references
Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
Unit references
Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
Unpublished digital version of the Maryland state geologic map that was digitized by the USGS Water Resources Office in Towson, MD
Geographic coverageBaltimore - Harford

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MDPZmg;6
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