Barre granite

Barre granite
Stratigraphic range: Devonian
Barre granite
Typeigneous
Lithology
Primarygranite
Location
RegionNew England
ExtentVermont
Type section
Named forBarre Township, Washington County, Vermont
Named byC. H. Richardson, 1902[1]
The E. L. Smith Quarry, where the Barre Granite is mined
Another view of the quarry

Barre granite /ˈbæri/ is a Devonian granite pluton near the town of Barre in Washington County, Vermont. Richardson described it as a "fine granite, composed of quartz, feldspar, and mica. The mica is both muscovite and biotite."[1] It intrudes into the Waits River Formation.[2]

  1. ^ a b Richardson, C.H., 1902, The terranes of Orange County, Vermont: Vermont State Geologist Report, no. 3, pp. 61–101. scanned version at Archive.org
  2. ^ Walsh, G.J. and Satkoski, A.M., 2005, Surface gamma-ray survey of the Barre West quadrangle, Washington and Orange Counties, Vermont: U.S. Geological Survey, Scientific Investigations Report SIR-2005-5276, scale 1:100000.