Filters: Tags: Massachusetts (MA) (X)
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Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs of sample 376-1 (cross-polarized light), showing ilmenite (Ilm) sandwiched between chlorite (Ch) plates. Also show is a bent (though not broken) ilmenite lath and stress-induced (?) twinning in a zoned porphyroblast of plagioclase (Pg). Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Published as figure 4 in U.S. Geological Survey. Professional paper 1113. 1981.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Connecticut (CT),
Massachusetts (MA),
New York (NY),
Photographers,
Zen, E-an,
Album caption: Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic allochton. Photomicrographs of coexisting staurolite (St) and epidote (Ep) in (B) sample590-1 (plane-polarized light) Other minerals present are garnet (Ga), biotite (Bt), and muscovite (Mu). Southwestern Massachusetts and adjacent Connecticut and New York. circa 1966. Published as figure 8-B in U.S. Geological Survey. Professional paper 1113. 1981
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Connecticut (CT),
Massachusetts (MA),
New York (NY),
Photographers,
Zen, E-an
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