40Ar/39Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia
Open-File Report
99-552
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Abstract
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | 40Ar/39Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia |
| Series title | Open-File Report |
| Series number | 99-552 |
| DOI | 10.3133/ofr99552 |
| Year Published | 1999 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 110 p. :ill. ;28 cm. |