INDEX 
431 
neybrook anorthosites, 29; Juras¬ 
sic of South America, 212; Mazat- 
zal Peak district, 301; Minnesota 
drift sheets, 383; Ordovicic of 
South America, 188; Pennsylvania 
anorthosites, 36; Permian glacia¬ 
tion in Argentina, 420; Permian of 
South America, 204; Pliocene, of 
South America, 216; Siluric of 
South America, 192; southern¬ 
most glaciation in Kansas, 378; 
Tertic of South America, 216; 
Triassic of South America, 208 
Marbut, C. F., cited, 264 
Marcou, J., quoted, 124, 147 
Marr, J. E., quoted, 283 
Martin, G. C., cited, 22 
Maryland, new Terebratula, 19 
Mazatzal quartzites of Arizona, 299; 
section, 304 
Mazatzal ranges, in Arizona, loca¬ 
tion, 299 
McElmo shales, 337 
McGee, W. J., cited, 64, 322, 350, 
417; portrait, 349 
McGee’s original complex drift sec¬ 
tion, 416 
McNary, J. G., tribute to F. Spring¬ 
er, 183 
Meanders of Rio San Juan, 288 
Measure of Eolic Depletion of 
Great Plains, 162 
Mendota limestone, synonym, 321 
Merrill, G. P., quoted, 283 
Metaliferous limestone of Iowa, 315 
Michel-Levy, A., cited, 114 
Miller, W. J., cited, 32, 45 
Mimbresian series, 337 
Mines of Spain, 88 
Mining Geology, 87; antimony de¬ 
posits of Washington, 94; Chu- 
padera iron deposits, 89; Coal 
Fields of Kentucky, 88; Precursor 
of Modern Mining Organization, 87 
Miocene erosion, in Utah, 132 
Minnesota, correlation of Cambric, 
326; Driftless area, 384; Glacial 
drift sheets, 383; Gray drift, 384; 
Hinkley sandstone, 317; Illinoian 
drift, 388; Iowan drift, 397; Kan¬ 
san drift, 393; Kewatin glacier, 
395; Labradorian glacier, 395; Ne¬ 
braskan drift, 392; Old drift, 384; 
Oldest drift, 384; Patrician gla¬ 
cier, 398; Red drift, 384; till and 
loess, 350; Wisconsin drift, 398; 
Young drift, 384 
Mississippian series, 348; Arizona, 
242 
Missouri, Aux Vases Sandstones, 
339; Devonic outliers on High¬ 
lands, 271; Ferruginous sand¬ 
stone, 341; formations, 85; James’ 
account of Kaolin, 280 
Modem Geology, Introduction into 
America, 1 
Monadnocks of Rocky Mountain re¬ 
gion, 127 
Monoclinal flexures, diagram, 78 
Montana, oil pools in flat arches, 92 
Monument Valley, Utah, 295; view, 
288 
Moore, R. L., cited, 378 
Morenci limestones, 337 
Morton, S. G., cited, 19 
Mountain building experiments, 73 
Aluddy Mountains thrust, 256 
Muleros sandstones, 337 
Alultiplanary Relief of American 
Deserts, 170 
Multiple ice age, 357 
Murray, J., and A. Reynard, cited, 
12 
Nacimientan series, 337 
Naiad limestones, 337 
Natural Bridges, Arizona, 300; Au¬ 
gusta bridge in Utah, ^8; Edwin 
bridge in Utah, 288; Nonnezoshie 
arch, 288 
Navajo Dome, 137 
Nazlini shales, 337 
Nebraskan drift in Minnesota, 391 
till in Kansas, 382 
Nephelite basalt of Bavaria, 113 
Nephelite-feldspar basalts, 114 
Nevada, Great Basin ranges, 62; 
overthrusts in Great'Basin ranges, 
253; research problems, 223 
New Jersey, Cretacic section, 28; 
glaciologj--, of Salisbury^ 103 
New Alexico, Corazon peneplain. 
124; Cretacic rocks, 151; discov¬ 
ery of formations, 141; first record 
of Cambric, 142; first record of 
Carbonic, 143; first record of De¬ 
vonic, 143; first record of Miss¬ 
issippian, 143; first record of Or¬ 
dovicic, 142; first record of Sil¬ 
uric, 142; girdling of mouhtams, 
169; Guadalupan rocks, 156; Iron 
deposits of Chupadera Mesa, 89; 
Maj^ peneplain, 126; Plateau 
plains, 170; Raton peneplain, 125; 
