GEOLEX database Geologic Unit: Everett Usage: Everett Formation (MA*,NY*,CT*) Everett Schist (CT*,NY) Age: Precambrian* Proterozoic, Late* Cambrian, Early* Cambrian(?)* Geologic Province: New England province* Areal Extent: CT* MA* NY* Type Locality: Mount Everett, southwestern MA (Hobbs, 1893). Unit Name History: Named Everett schist (Hobbs, 1893). NY State Geol. Map usage; Age modified (Fisher, 1961). Assigned to Cossayuna Group in NY (Fisher, 1962). Redescribed as Everett Formation in MA; Age modified (Zen, 1966). Age modified (Zen and Hartshorn, 1966). NY State Geol. Map usage (Fisher and others, 1970). Age modified (Zen and Ratcliffe, 1971; Ratcliffe, 1974). Extended into CT; Age modified (Gates, 1979). Age modified (Ratcliffe, 1979). MA State Geol. Map usage (Zen and others, 1983). CT State Geol. Map usage (Rodgers, 1985). 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