Title
40Ar/39 Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia [microform] / by Michael J. Kunk and William C. Burton.
Published
[Denver, CO] : U.S. Geological Survey : [Branch of Information Services, distributor], 1999.
Variant and related titles
40Ar/39 Ar age spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia