The Mcphall Prospect is a copper and gold mine located in Yuma county, Arizona at an elevation of 1,001 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: 1,001 Feet (305 Meters)
Commodity: Copper, Gold
Lat, Long: 32.74, -114.38361
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.
Mcphall Prospect MRDS details
Site Name
Primary: Mcphall Prospect
Commodity
Primary: Copper
Primary: Gold
Location
State: Arizona
County: Yuma
District: Dome District
Land Status
Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR , LENSES
Structure
Type: L
Description: Area Has Been Cut By Several Faults Of Minor Magnitude.
Alterations
Alteration Type: L
Alteration Text: A Strike Fault, With Schist Footwall And Marble Hanging Wall, Contains A Vein Of Coarse-Grained, Vitreous, Gray Quartz That Ranges From A Few Inches Up To Four Feet
Rocks
Name: Marble
Role: Host
Age Type: Associated Rock
Age Young: Pliocene
Name: Marble
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Ore: Hematite
Ore: Chrysocolla
Ore: Limonite
Ore: Wulfenite
Ore: Malachite
Gangue: Quartz
Gangue: Sericite
Comments
Comment (Production): NO PRODUCTION RECORD
Comment (Workings): WORKINGS ON THIS PROSPECT CONSIST OF A FEW SHALLOW PITS
Comment (Geology): IN METAMORPHOSED MESOZOIC (?) SEDIMENTS NEAR MESOZOIC GRANITE
References
Reference (Deposit): WILSON, E.D.; 1933; GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZ. B.M. BULLETIN 134, P. 201
Reference (Deposit): BUTLER, G.M.; 1937; ARIZONA GOLD PLACERS AND PLACERING: ARIZ. B.M. BULLETIN 142, P. 19
Reference (Deposit): BUTLER, G.M.; 1952; ARIZONA GOLD PLACERS AND PLACERING: ARI. B.M. BULLETIN 160; P.21
Reference (Deposit): JOHNSON, M.G.; 1972; PLACER GOLD DEPOSITS OF ARIZONA: U.S.G.S. BULLETIN 1355, P. 69
Arizona Gold
"Where to Find Gold in Arizona" 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 Arizona.
