Geologic Unit: West Halifax
Publication: Ratcliffe, N.M., and Armstrong, T.R., 1999, Bedrock geologic map of the West Dover and Jacksonville quadrangles, Windham County, Vermont: U.S. Geological Survey Miscellaneous Investigations Series Map, I-2552, 30 p., 2 sheets, scale 1:24,000 [Available online from the USGS PubsWarehouse: http://pubs.er.usgs.gov/pubs/i/i2552]Usage in Publication:
West Halifax Trondhjemite*
Named the West Halifax Trondhjemite of the North River Igneous Suite for village of West Halifax, Windham Co., southeastern VT. Consists of cream-weathered, light- to dark-gray, coarse-grained, equigranular, massive, ilmenite-chlorite-epidote-muscovite-quartz-plagioclase trondhjemite with hypidiomorphic texture. Unit is intrusive into all other North River Igneous Suite rocks and the Cram Hill Formation. The West Halifax is of Ordovician and Silurian(?) age, and is younger than the Cram Hill Formation and older than the Northfield Formation.
Source: GNU records (USGS DDS-6; Reston GNULEX).