TY - RPRT TI - 40Ar/39Ar data for white mica, biotite, and K-feldspar samples from low-grade metamorphic rocks in the Westminster Terrane and adjacent rocks, Maryland AU - Michael J. Kunk AU - Ryan J. McAleer PY - 2008 DO - 10.3133/ofr20081281 UR - https://pubs.usgs.gov/publication/ofr20081281 ID - ofr20081281 ER -