00862nam a2200217   450000500170000000800410001703500150005805000210007310000370009424501080013126000480023930000100028749000340029765000520033165000500038365000360043365000270046965000400049665000380053681000700057420260817162138.0               us                  eng    a.b1163549600aQE75bP9 no. 9361 aWhitebread, Donald Harvey,d192610aAlteration and geochemistry of Tertiary volcanic rocks in parts of the Virginia City quadrangle, Nevada  aWashington :bU.S. Govt. Print. Off.,c1976  a43 p.1 aProfessional paper ;vno. 93610aVolcanic ash, tuff, etc.xNevadaxStorey County10aVolcanic ash, tuff, etc.xNevadaxLyon County10aGeology, StratigraphicxMiocene10aMetamorphism (Geology)10aGeochemistryxNevadaxStorey County10aGeochemistryxNevadaxLyon County1 aUnited States.bGeological Survey.tProfessional paper :vno. 936