The Magnolia is a gold, copper, arsenic, silver, zinc, and lead mine located in Grant county, Oregon.
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:
Commodity: Gold, Copper, Arsenic, Silver, Zinc, Lead
Lat, Long: 44.85889, -118.40222
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.
Magnolia MRDS details
Site Name
Primary: Magnolia
Commodity
Primary: Gold
Primary: Copper
Primary: Arsenic
Primary: Silver
Primary: Zinc
Primary: Lead
Location
State: Oregon
County: Grant
District: Granite
Land Status
Administrative Organization: Umatilla National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Early Triassic
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 0.24 % PB
Analytical Data: 0.008 % CU
Analytical Data: 1.08 OZ/TON
Analytical Data: TWELVE DUMP SAMPLES TAKEN BY YOUNG (1979) HAVE AN ARITHMATIC AVERAGE OF 0.38 OZ/TON AU
Analytical Data: 0.30 % ZN AND 0.53 % AS
Materials
Ore: Marcasite
Ore: Chalcopyrite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Location): NE 1/4, IN LUCAS GULCH ABOUT 3 1/2 MILES NORTH OF GRANITE.
Comment (Geology): GEOL.DESC: VEIN CONSISTS OF SOFT, ALTERED ARGILLITE WITH LENSES AND STRINGERS OF QUARTZ AND HIGHLY SILICIFIED ARGILLITE BRECCIA.
Comment (Production): TEN-STAMP MILL ERECTED IN 1899; ORE AVERAGED LESS THAN $10 PER TON. GOLD 15 TO 20 PERCENT FREE.
Comment (Workings): DEVELOPED BY 3 TUNNELS TOTALLING 1430 FEET. TEN-STAMP MILL ERECTED IN 1899; ORE AVERAGED LESS THAN $10 PER TON. GOLD 15 TO 20 PERCENT FREE.
References
Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P.80
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 53 .
Reference (Deposit): KOCH, G.S., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON; ODGMI BULL. 49, P.35
Reference (Deposit): YOUNG, J.S., 1979, PARAGENESIS AND GEOCHEMISTRY OF THE GRANITE GOLD DISTRICT, GRANT COUNTY, OREGON; COLORADO STATE UNIV. MS. THESIS
Oregon Gold
"Where to Find Gold in Oregon" 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 Oregon. Read more: Where to Find Gold in Oregon.
