Bulletin ..., Volumes 3-5 |
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Common terms and phrases
acid analysis asphalt asphalt rock asphaltene asphaltum average Babyhead Barringer Hill beds bitumen bituminous sandstone BREWSTER COUNTY brown BURNET COUNTY calcite carbon Carrizo cent cinnabar color combustible contains copper Cretaceous crystals deposits Eagle Pass east EL PASO COUNTY feet fissures flasks fuel furnace Geological granular gray Gypsum Hardness heat igneous inches iron Lignite lime limestone Limonite LLANO COUNTY localities Lustre manganese Marfa MASON MASON COUNTY massive material mercury metal Milam county miles north miles west mines MONTAGUE COUNTY northeast occurs one-half miles outcrop oxide PASO COUNTY pavement petrolene Pottery Clay pounds production pyrite quantities quartz quicksilver Quitman Mountains River Rockdale samples Sampson Ridge sand seam Section shaft shale Sierra Diablo Silicate silver Slaty clay soluble Specific Gravity Streak sulphide Sulphur surface Terlingua Terlingua creek Terlingua district Texas Coal thickness tons total bitumen trace TRANS-PECOS REGION Uvalde county veins volcanic yellow