Ar/ Ar Data for White Mica, Biotite, and K-Feldspar ...
This report contains reduced . 40. Ar/ 39. Ar data of white mica and K-feldspar mineral separates and matrix of a whole rock phyllite, all from low-grade metamorphic rocks of the Westminster terrane and adjacent strata in central Maryland. This report presents these data in a preliminary form, but in more