The Roba - Westfall is a mercury 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
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.
Roba - Westfall MRDS details
Site Name
Primary: Roba - Westfall
Secondary: Deer Creek
Commodity
Primary: Mercury
Location
State: Oregon
County: Grant
District: Murderers Creek
Land Status
Administrative Organization: Malheur Natioal Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Lawrence H. Roba, V. M. Westfall
Years: 1963 -
Production
Year: 1963
Time Period: To 1963
Material type: HG
Description: Cp_Grade: ^3-10 Lb/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1947
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Mineral Deposit Model
Not available
Orebody
Form: FUNNEL
Structure
Type: L
Description: Local Faults And Shears
Alterations
Alteration Type: L
Alteration Text: No Alteration Apparent
Rocks
Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Cinnabar
Ore: Pyrite
Gangue: Calcite
Comments
Comment (Reserve-Resource): NO MEASURABLE RESERVES
Comment (Location): SW/4 SEC 6
Comment (Production): POSSIBLY 12 FL PRODUCED
Comment (Workings): WATER IN WORKINGS POSSIBLY 12 FL PRODUCED
Comment (Deposit): CONSV. RECORD ( M014859 ) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE. ; INFO.SRC : BAILEY E H
References
Reference (Deposit): BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.
Reference (Deposit): BAILEY, E. H., USGS, PERSONAL FILES
Reference (Deposit): MERCURY IN OREGON, 1965, USBM IC 8252
Reference (Production): BROOKS, 1963, BAILEY
Reference (Deposit): 1953 DIREXPL DMEA , NO MINEABLE HG FOUND IN AREA EXPLORED , NO MINEABLE HG FOUND IN AREA EXPLORE
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.
