Page 43 - Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico
P. 43
Contents
Abstract ......................................................................................................................................... 37 Introduction ................................................................................................................................... 37 Lake Valley..................................................................................................................................... 37
Mining History .................................................................................................................... 37 Geologic Setting................................................................................................................. 38 Mineralized Rock ............................................................................................................... 43 Description of Deposits..................................................................................................... 44
Geochemistry ................................................................................................................................ 46 Discussion...................................................................................................................................... 46 Appendix. Sample Analyses ....................................................................................................... 48
Figures
1. Photograph showing Lake Valley mining district townsite in 1908 ................................. 38
2. Index map showing Lake Valley mining district ................................................................. 39
3. Map showing mining districts in Black Range and in vicinity of Lake Valley
mining district and their spatial relationship to approximate boundary of
Emory cauldron........................................................................................................................ 41
4. Photograph showing jasperoid in the Fusselman Dolomite............................................. 43
5. Map showing major workings in Lake Valley mining district .......................................... 45
Tables
1. Precious- and base-metal production and manganese production from
mines in Lake Valley district .................................................................................................. 38
2. Mining districts other than Lake Valley in Black Range area ......................................... 40
3. Production from mining districts near Lake Valley............................................................ 40
4. Mining claims in Lake Valley district.................................................................................... 42
5. Silver production from mines in Lake Valley district, 1878–1893 .................................... 44
Note: Combined references list begins on page 76.
