VIRGINIA VULTE 191 



Page 



Virginia, Analyses of soils and clays from 9, 809 



Ancient topograpliy in 2, 561 



Appalachian deformation in 2, 141 



Cambrian of 5, 175, 183, 189 



Cambro-Silurian of 5, 175 



Carboniferous of 5, 177, 186, 187, 189, 190 



Coal fields of. 5, 53 



Contact alteration in ; 5, 53 



Deformed strata of 2, 156 



Devonian of 5, 177, 186-190 



Granites in 10, 381 



Igneous rocks of. 2, 339 



Intra-formational conglomei-ates of. 5, 195 



Marine Cretaceous of 9, 414 



Mesozoic and Cenozoic of 2, .431 



Paleozoic overlaps in 5, 171 



Reference to barrier beaches of 6, 151 



Silurian of ; 5, 176, 188 



Triassic of , 3, 25 



Weathering of micaceous gneiss in 8, 1-57 



Zinc ore of. 5, 30 



Virginia-Kentucky coal field, Reference to 6, 319 



Vogelsang, H., cited on globulites 9, 172 



leucite 8, 170 



VoGT, J. H. L., cited on alteration of Norway rocks 6, 239 



differentiation of magmas 7, 124 



origin of ore beds 5, 222 



Volcanic action, Mesozoic 2, 420 



— areas of New Mexico 3, 98 



— dust in terraces 1, 145 



and pumice in marine deposits 7, 490 



— rocks of California 3, 376, 421 



lake district 3, 22 



mount Diablo 2, 384 



the Sierra Nevada , 2, 50 



VoLCANics, Huronian, south of lake Superior 4, 435 



VoLCANiTE, An anorthoclase-augite rock chemically like the dacites ; W. H. 



Hobbs 5, 598 



VoM Rath, G., cited on allanite 4, 307 



Von Tschudi, J. J., cited on effect of temperature and ram on rock decom- 

 position ., 7, 294 



VuLCANisM in Alaska 3, 495, 496 



Montana 3, 448 



VuLTE, H. T., Acknowledgments to. . . 10, 375 



— , Analyses of granites by 10, 375 



