Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966.
Dates
Date Taken
1966
Summary
Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs showing (B) late plagioclase including folded foliation defined by dust trains; the sigmoidal fold is in a single crystal, sample 340-1 (plane-polarized light). Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966. Published as figure 11-B in U.S. Geological Survey. Professional paper 1113. 1981.
Summary
Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs showing (B) late plagioclase including folded foliation defined by dust trains; the sigmoidal fold is in a single crystal, sample 340-1 (plane-polarized light). Southwestern Massachusetts and adjacent Connecticut and New York. ca. 1966.
Published as figure 11-B in U.S. Geological Survey. Professional paper 1113. 1981.
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Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic Allochthon, southwestern Massachusetts and adjacent Connecticut and New York. Professional Paper 1113.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Zen, E-An Collection.
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