National Geologic Map Database
General Information
- Title: Potassium-argon geochronology of some metamorphic, igneous, and hydrothermal events in Puerto Rico and the Virgin Islands [San Lorenzo batholith]
- Author(s): Cox, D.P., Marvin, R.F., M'Gonigle, J.W., McIntyre, D.H., and Rogers, C.L.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Journal of Research of the U.S. Geological Survey V.5-6
- Publication Date: 1977
- Map Scale: 1:256,000
- Cross Section: None
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