. Bulletin of the Geological Society of America. Geology. Figure 1.—Wyomingite from South Table Round white minerals are leucite; small dark rods diopside: large crystals, phlogophite. The apparent groundmass is largeh' phlogophite charged with leucites. Actual field, 1 millimeter. i i Figure 2.—Coarse WyoiMixgite fro:m riir. Badokrs and of the Dikes Round white minerals are leucite; rods are diopside; large elliptical mineral is phlogopliite; dark groundmass is yellowish glass. Actual fielil, 1 milliiuotcr. Locality, Badgers Teeth PHOTOMICROGRAPHS OF WYOMINGITE. Pleas

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. Bulletin of the Geological Society of America. Geology. Figure 1.—Wyomingite from South Table Round white minerals are leucite; small dark rods diopside: large crystals, phlogophite. The apparent groundmass is largeh' phlogophite charged with leucites. Actual field, 1 millimeter. i i Figure 2.—Coarse WyoiMixgite fro:m riir. Badokrs and of the Dikes Round white minerals are leucite; rods are diopside; large elliptical mineral is phlogopliite; dark groundmass is yellowish glass. Actual fielil, 1 milliiuotcr. Locality, Badgers Teeth PHOTOMICROGRAPHS OF WYOMINGITE. 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