The Seven-Thirty is a lead and silver mine located in Summit county, Colorado.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Primary Mineral: Lead, Silver
Lat, Long: 39.43083, -105.97250
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Seven-Thirty MRDS details
District: Upper Blue River
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Comment (Location): ADDITIONAL LOCATION: 39-25-55N, 105-58-15W
Comment (Workings): ADITS
Comment (Geology): GEOL.DESC: GANGUE OF QUARTZ AND CALCITE
Reference (Deposit): CONSV. DIV. COMP. DATE, 8,65
Reference (Deposit): RANSOME, F.L., 1911, GEOLOGY AND ORE DEPOSITS OF THE BRECKENRIDGE DISTRICT, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 75, 187 P.
Reference (Deposit): WILSON, ANNA B., AND LAROCK, EDWARD J., 1991, ASCII DATABASE FOR PRINCIPAL LODE MINES AND MINERALIZED AREAS IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 91-0027A AND B, 22 P. AND ONE DISKETTE.
Reference (Deposit): WILSON, ANNA B., AND LAROCK, EDWARD J., IN PRESS, MINERALIZED AREAS AND PRINCIPAL LODE MINES IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-2163, SCALE 1:50,000.
Reference (Deposit): SINGEWALD, Q.D., 1951, GEOLOGY AND ORE DEPOSITS OF THE UPPER BLUE RIVER AREA, SUMMIT COUNTY, COLORADO: U.S. GEOLOGICAL SURVEY BULLETIN 970, 74.