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Show 300 INDEX. Page. Basaltâ€"Continued. Occurring in theâ€" Aquarius Plateau............................................................... 295 Archaean....................................................................... 93 Awapa Plateau................................................................. 276 Carboniferous.................................................................. 93 Dog Valley..................................................................... 190 Grass Valley.................................................................. 250 Markagunt Plateau.....................................................197,199,200,202 Paunsagunt Plateau............................................................ 256 Permian..... ................................................................. 93 Silurian........................................................................ 93 Triassic....................................................................... 93 Tushar......................................................................177,180,183 Basaltic cones ...........................................................................62,198,256 Basic rocks. ((See Basalt.) Basin Province, its topography............................................................. 6 Mountain ranges ....................................................................... 47 Structural features..................................................................... 51 Bear Peak.................................................................................. 192 Bear Valley................................................................................ 191 Belknap, Mount......\..................................................................... 172 Hitter Creek beds (see Eocene).................................................12,73,158,159,195,238 Blue Mountain............................................................................. 228,232 Bonneville Lake............... ............................................................ 41,211 Book Cliffs................................................................................. 161 Bullion Canon.............................................................................. 174 Canons................................,.............................................8,252,286,290 Carbonaceous shales........................................................................ 10,156 Carboniferous strata........................................................................ 143,184 Centers of erosion.......................................................................... 18, 297 Circle Cliffs................................................................................ 289 Circle Valley............................ .................................................. 213 Chalcedony................................................................................205,238 Chemical characters of volcanic rocks.....................................................88,117,123 Classification of volcanic rocks (Chap. IV).................................................. 82 Coal....................................................................................... 155,156 Cones, basaltic...........................................................................62,198,256 Colorado Eiver.....................................................................8,15,278,287,289 Cotta, B. von, Pre-Tertiary eruptions........................................................ 96 Conglomerates, general discussion of the formation of........................................ 214 Conglomerate, Shin^rump.................................................................. 147 Conglomerates, volcanic............................................39,70,75,178,214,237,238,275,295 Cretaceous, theâ€" Brackish water beds of................................................................. 10 Carbonaceous shales...................................-................................ 10 Condition of Plateau Country during...................... ............................. 9 Correlations of......................................................................... 9 Extent of, in the West.................................................................. 9 Island................................................................................. 295 Of theâ€" Aquarius Plateau................................................................... 288 Kaiparowits Plateau............................................................... 291 Markagunt Plateau................................................................. 206 |