GEOLEX database Geologic Unit: Mount Abraham Usage: Mount Abraham Schist of Camels Hump Group (VT*) Mount Abraham Schist Member of Underhill Formation (VT) Age: Precambrian* Proterozoic, Late* Cambrian, Early* Geologic Province: New England province* Areal Extent: VT* Type Locality: Exposures on summit of Mount Abraham, Addison Co., central VT (Doll and others, 1961). Unit Name History: Named member of Underhill formation (Doll and others, 1961). Revised to formation in Camels Hump group (Cady and others, 1962). Overview (Walsh, 1992). Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov). Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys. "No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses (). Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]). U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html Database project personnel Last modified: 7-Jan-2007