. Bulletin of the Geological Society of America. Geology. Figure 1.—Two Layers of Hornblende Schist Alternating with White Pegmatitic and Dark Micackous Gneisses Small apophysis, 45 centimeters long, near center. Morningside avenue west near 119 street. Figure 2.—Contact of Hornblende Schist Hornblende schist above passes into hornblende gneiss at junction ; fine grained micaceous gnei beneath ; partly penetrated by pegmatite at lower margin. Morningside avenue above West 118 street HORNBLENDE SCHIST LAYERS AND CONTACT. Please note that these images are extracted from scanned page images that
. Bulletin of the Geological Society of America. Geology. Figure 1.—Two Layers of Hornblende Schist Alternating with White Pegmatitic and Dark Micackous Gneisses Small apophysis, 45 centimeters long, near center. Morningside avenue west near 119 street. Figure 2.—Contact of Hornblende Schist Hornblende schist above passes into hornblende gneiss at junction ; fine grained micaceous gnei beneath ; partly penetrated by pegmatite at lower margin. Morningside avenue above West 118 street HORNBLENDE SCHIST LAYERS AND CONTACT. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
