ROCK ROGERS 251 



rage 



Rock streams, Definition and previous fleseriptions of 31, 663-665 



, Difference between talus slopes and landslides and 21, 0G4 



, Glacial action unnecessary to development 21, 664 



of San Juan Mountains, Reference to 21, 664 



A'eta peak, Colorado ; Horace B. Patton 21, 26, 663-676, 764 



— terraces in tbe driftless area of Wisconsin ; Lawrence Martin 28, 148 



— weathering in desert regions 21, 569 



RocKPORT, Massachusetts, Fayalite in granite of 21, 33, 787 



Rocks, Complex of alkaline igneous 21, 32, 785 



— from middle western Virginia, Chemical analyses of igneous dike. . . 24,331 



— in central western Virginia, Petrology of igneous 24, 309 



— of northeastern Illinois and eastern Wisconsin, Alexandrian. . . . 26, 95, 155 



Rhode Island, Basic 29, 95 



— , Origin of the alkaline 21, 32, 87-118 



RocivY Mountain front and Great Plains provinces. Physiographic study 



of the Cretaceous-Eocene period in the 26, 105 



oil fields ; F. A. Fisher 28, 157 



— — phosphate deposits, Origin of the 26, 100 



region, Cretaceous-Tertiary boundary on the 25, 325 



section in the vicinity of Whitemans Pass ; C W. Drysdale and L. D. 



Burling 29, 145 



— Mountains in Colorado and New Mexico, Relation of (Jretaceous for- 



mations to the 26, 114, 156 



Roddy, II. J., cited on lime concretions in streams 27, 361 



— , Reference to "Concretions in streams formed by tbe agency of blue- 

 green algjK? and related plants by 27, 361 



RoDENTiA ; W. D. Matthew^ 23, 184 



Rodents, Aftonian mammalian fauna 22, 215 



— of Rancho La Brea ; L. R. Dice 26, 167 



Rodeo Pleistocene, Fauna of 27, 169 



RoEMER, F., Geological work in Texas of 25, 164 



Rogers, A. F., Discussion of Nevada stibnite by 25, 126 



— ■ papers bearing on ore deposition by 26, 403 



on f anglomerate by 23, 72 



— ; Gypsum and anhydrite from the Ludwig mine, Lyon County, Maine 24,94 



— introduced by C. F. Tolman, Jr 26, 395 



— , Iron-ore deposit at Barth, Nevada, discussed by 24, 97 



— , Magmatic sulfids 28, 132 



— ; Nomenclature of minerals 25, 124 



— ; Orthoclase as a vein mineral 23, 72 



— ; Paragenesis of minerals 21, 792 



— , Reference to war work of 30, 184 



— ; Sericite, a low temperature hydrothermal mineral 26, 395 



— ■; Validity of the law of rational indices of crystal faces 24, 93 



— ■ and Boundey, E. S. ; Occurrence of free gold in granodiorite of Siski- 

 you County, California 25, 124 



Rogers, A. W., cited on Carboniferous conglomerate of Africa 25, 201 



Rogers, G. S., cited on origin of oil 28, 729 



