Page 10 - The Geology and Ore Deposits of Sierra County, New Mexico - Bulletin 10
P. 10
8 CONTENTS PART II, MINING DISTRICTS—continued
Sierra Caballos—continued Palomas Gap district—continued
Fluorspar-calcite-silica veins -------------------------------------- 209 Shandon (Pittsburg) placers ------------------------------------ 209 Location and Geography ------------------------------------------- 209 Geology 209 The placers 211 Origin of the gold --------------------------------------------------------- 213
Possibilities of the district 213
Derry manganese district ------------------------------------- 214
Copper deposits in "Red Beds" ----------------------------------------- 214 Location and geoloev -------------------------------------------------------- 214 Ore deposits and workings ---------------------------------------------- 215
INDEX 217
