Postel, Albert Williams

14 items:

Small-scale folding in Lyon Mountain granite gneiss: vertical section, Williams Street, Lyon Mountain. Clinton County, New York. 1945. Small-scale folding in Lyon Mountain granite gneiss: vertical section, Williams Street, Lyon Mountain. Clinton County, New York. Circa 1945. Figure 8, in U.S.Geological Survey Professional paper 237. 1952. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clinton County, New York, Photographers, Postel, A.W. Collection, photo print
Photomicrograph showing primary magnetite (black, euhedral) and secondary magnetite (black). Clinton County, New York. 1945. Photomicrograph showing primary magnetite (black, euhedral) and secondary magnetite (black, containing unreplaced inclusions of microperthite), in Bowen-Signor mine; crossed nicols. Clinton County, New York. Circa 1945. Figure 15, in U.S.Geological Survey Professional paper 237. 1952. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clinton County, New York, Photographers, Postel, A.W. Collection, photo print
Photomicrograph showing mortar texture in microcline granite gneiss. Clinton County, New York, 1945. Photomicrograph showing mortar texture in microcline granite gneiss: Probable starting point in the formation of microantiperthite granite. Crossed nicols. Clinton County, New York. Circa 1945. Figure 3, in U.S.Geological Survey Professional paper 237. 1952. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clinton County, New York, Photographers, Postel, A.W. Collection, photo print
Pegmatite parallel to mineral lineation of Lyon Mountain granite gneiss. South end of Duncan Mountain. Clinton County, New York. 1945. Pegmatite parallel to mineral lineation of Lyon Mountain granite gneiss, viewed from underside of foliation plane: South end of Duncan Mountain. Clinton County, New York. Circa 1945. Figure 13, in U.S.Geological Survey Professional paper 237. 1952. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clinton County, New York, Photographers, Postel, A.W. Collection, photo print
Foliation in granitized amphibolite with crosscutting diabase dike, horizontal surface. Clinton County, New York. 1945. Foliation in granitized amphibolite with crosscutting diabase dike, horizontal surface, NY State Highway 3, 1.1 miles west of Clayburg. Clinton County, New York. Circa 1945. Figure 10, in U.S.Geological Survey Professional paper 237. 1952. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Clinton County, New York, Photographers, Postel, A.W. Collection, photo print

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