. Bulletin of the Geological Society of America. Geology. BULL. GEOL. SOC. AM VOL. 16, 1904, PL. 59. Figure 2.—Pyroxene Core replaced uy Hornblende Kiotitb, and Quartz. PPL. X 90 PHOTOMICROGRAPHS OF META-GABBRO Figure 1 from 1 mile east of Waterloo mills, and figure si from 2 miles southeast of Berwyn, Chester county, Pennsylvania. Photographed hy V. J. Keeley. 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 Soci
. Bulletin of the Geological Society of America. Geology. BULL. GEOL. SOC. AM VOL. 16, 1904, PL. 59. Figure 2.—Pyroxene Core replaced uy Hornblende Kiotitb, and Quartz. PPL. X 90 PHOTOMICROGRAPHS OF META-GABBRO Figure 1 from 1 mile east of Waterloo mills, and figure si from 2 miles southeast of Berwyn, Chester county, Pennsylvania. Photographed hy V. J. Keeley. 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
