The Last Chance Mine is a silver, lead, and copper mine located in Okanogan county, Washington at an elevation of 2,999 feet.
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.
Mine Info
Elevation: 2,999 Feet (914 Meters)
Commodity: Silver, Lead, Copper
Lat, Long: 48.48861, -119.73389
Map: View on Google Maps
Satelite View
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.
Last Chance Mine MRDS details
Site Name
Primary: Last Chance Mine
Secondary: Ruby Lode Claim
Commodity
Primary: Silver
Primary: Lead
Primary: Copper
Secondary: Zinc
Location
State: Washington
County: Okanogan
District: Conconcully District; Ruby Hill Area
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Benton Bailey
Home Office: Okanogan, Wa.
Years: 1949 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1886
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains
Mineral Deposit Model
Not available
Orebody
Form: SHOOTS
Structure
Type: R
Description: Mica Schist - Granodiorite Contact Trends Generally Nw (Same As Regional Trend Of The Metamorphic Rocks In The Area.
Type: L
Description: Parts Of The Vein Have Been Displaced 6-10 Ft By Transverse Faults; The Nw Segments Of The Vein Are Generally Displaced To The Sw.
Alterations
Alteration Type: L
Alteration Text: With 6 To 10' Displacement
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Paleocene
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Paleocene
Analytical Data
Analytical Data: 30 OZ AG, 17% PB, 4% CU
Materials
Ore: Pyrite
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Comments
Comment (Workings): A SHAFT WAS SUNK TO A DEPTH OF 300 FT, AND, AT THE 100 FT AND 200 FT LEVELS, DRIFTS WERE DRIVEN ALONG THE VEIN. AT THE BOTTOM OF THE SHAFT, A CROSSCUT WAS DRIVEN 800 FT EASTWARD TO INTERSECT THE FIRST THOUGHT VEIN (RECORD NO. M056613). NEAR THE SHAFT COLLAR, A 650 FT ADIT WAS DRIVEN IN A SOUTHEASTERLY DIRECTION.
Comment (Geology): GEOL.DESC: FISSURE QUARTZ
Comment (Commodity): PRODUCTION IN 1920, 1921, AND 1924.
Comment (Production): ORE WAS OF UNKNOWN QUANITY AND WAS HAND SORTED.
Comment (Deposit): ORE SHOOTS AS MUCH AS 2-4 FT THICK AND 200 FT LONG.
Comment (Deposit): CLAIM ORIGINALLY STAKED AS THE RUBY LODE WAS SOLD TO JOHNATHAN BOURNE JR, WHO PATENTED IT IN 1904 AS THE LAST CHANCE LODE. IN 1920 THE MINE WAS REOPENED.
References
Reference (Deposit): WASH. DMG BULL. 37, PART II, P. 305.
Reference (Deposit): WASH. DMG IC 49, P. 8, 17-18
Reference (Deposit): WASH. GEOL. SUR. BULL 23, P. 189-260
Reference (Production): WASH. DMG BULL 37, P. 305
Washington Gold
"Where to Find Gold in Washington" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Washington.
