Colorado · Boulder County
Past Producer

Empress Mine & Post Boy Tunnel

Boulder County, Colorado, United States
GoldTungsten
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondaryTungsten
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
Ore controlAt Intersection Of Livingston Fault & Empress Fault. Intersection Has Been Shattered By Later Faulting To Produce An Open Zone Localizing Telluride Zones
Materials
Ore mineralsGold, Telluride
Economic & production
Development statusPast Producer
Identification
Deposit ID10091320
MRDS IDDC03713
Alternate namesPost Boy Tunnel, Empress, Sylvan Ute
RegionNA
Data scoreC
Coordinates40.00261, -105.38335
References
LANGENHEIM, 1947, CU MS THESIS, PG. 52BLM COLO CONNECTING SHEETSCONSV. DIV. COMP. DATE, 1,62MINE MAP REPO # 402557, 403278, 405491, 405516Lovering and Tweto, 1953, USGS Prof. Paper 245.