CONTENTS. 7 
Descriptive geology — Continued. 
Ranges north of Pahute Mesa — Continued. 
Kawich Range 
Topography and geography 
General geology 100 
Sedimentary rocks ion 
Pogonip limestone and Eureka quartzite 100 
Lone Mountain limestone 
Siebert lake beds ( ?)___ 
Igneous rocks 103 
Post- Jurassic granite 103 
Diorite porphyry 103 
Monzonite porphyry 10.°, 
Earlier rhyolite lot 
Earlier basalt 105 
Biotite andesite 106 
Dacite 106 
Later rhyolite 107 
Later basalt and associated andesites 107 
Structure 108 
Economic geology 108 
Silverbow 100 
Blakes Camp 110 
Eden 110 
Kawich 111 
Southern Kawich 11.3 
Areas favorable to prospecting 113 
Reveille Valley 114 
Kawich Valley 114 
Reveille Range 114 
Topography and geography 114 
General geology 115 
Sedimentary rocks 1 15 
Weber conglomerate 115 
Pennsylvanian limestone 115 
Igneous rocks 110 
Rhyolite 11(5 
Basalt 110 
Structure 117 
Economic geology 117 
Railroad Valley 118 
Belted Range 118 
Topography and geography — 118 
General geology 119 
Sedimentary rocks 119 
Pogonip limestone 119 
Weber conglomerate 120 
Pennsylvanian limestone 1-1 
Siebert lake beds 
Igneous rocks 
Monzonite 1 - ;! 
Granite 
Andesite -^ 
