The St. Johns is a silica and semiprecious gemstone mine located in Apache county, Arizona.
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: Silica, Semiprecious Gemstone
Lat, Long: 34.50389, -109.30806
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.
St. Johns MRDS details
Site Name
Primary: St. Johns
Commodity
Primary: Silica
Primary: Semiprecious Gemstone
Location
State: Arizona
County: Apache
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Datil Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Clastic Sedimentary Rock
Role: Associated
Age Type: Host Rock
Age Young: Holocene
Name: Clastic Sedimentary Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic
Name: Clastic Sedimentary Rock
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Petrified Wood
Comments
Comment (Deposit): PETRIFIED WOOD AND OTHER FINELY CRYSTALLINE VARIETIES OF QUARTZ OCCUR IN GRAVELS THAT CAP THE HIGHER SURFACES IN THIS AREA. THE SILICA MATERIALS WERE PROBABLY DERIVED FROM THE CHINLE FM.
Comment (Location): IN VICINITY OF ST. JOHNS. LAT-LONG TAKEN FROM PROSPECT SHOWN IN SECTION 30.
References
Reference (Deposit): PEIRCE, H.W., 1969, GEM MATERIALS, IN USGS, ABM, AND USBR, MINERAL AND WATER RESOURCES OF ARIZONA: ABM BULLETIN 180, USGS BULLETIN 871, P. 359
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.
