Hogsback Prospect

The Hogsback Prospect is a beryllium mine located in Juab county, Utah at an elevation of 5,581 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

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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.

Site Name

Primary: Hogsback Prospect
Secondary: Dugway Dell
Secondary: Hogsback #3 Prospect Hogsback #3 Prospect Was Merged
Secondary: Was Record # D006504 6/14/91

Commodity

Primary: Beryllium
Secondary: Uranium
Secondary: Fluorine-Fluorite

Location

State: Utah
County: Juab
District: Spor Mtn-Thomas Range

Land Status

Land ownership: Private
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

Type: Surface

Ownership

Owner Name: Spar, Chad and Ray (Hogsback #3 Prospect)

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Thomas Mountains - Tintic Mountains

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Type: R
Description: Spor Mtn Is An Up-Lifted Fault Block That Has Been Lifted Trapdoor Fashion With Hinge On East.

Type: L
Description: A North Trending Fault System That Cuts Spor Mtn, Including The Thomas Caldera Ring Fracture

Alterations

Alteration Type: L
Alteration Text: Argillite, Dioctahedral Smectite, Sericite

Rocks

Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Miocene

Analytical Data

Analytical Data: 1963 SAMPLES: 0.07-0.73% BE, SOME NODULES CONTAIN AS MUCH AS 3.8% BE

Materials

Ore: Bertrandite
Unknown: Fluorite

Comments

Comment (Location): HOGSBACK #3 PROSPECT LAT. 39-44-18N; LONG. 113-10-02W; UTM'S 44007500 NORTHING; 3143000 EASTING; ZONE +12.

Comment (Development): THIS WAS THE ORIGINAL DISCOVERY OF BE IN THE DISTRICT. BRUSH PAID $10,000 FOR THE PATENT FROM WHICH THERE NEVER WAS ANY PRODUCTION

Comment (Workings): NO PRODUCTION, JUST DOZER CUTS

Comment (Geology): THE MINERALIZED BED IS ABOUT 5 FT BELOW THE CONTACT BETWEEN RHYOLITE & TUFF. THE NODULES ARE COMMONLY ZONED & COMPOSED CHIEFLY OF SILICA MINERALS & FLUORITE WITH MINOR MNO, SANIDINE, CLY & CALCITE.

Comment (Deposit): THE BERYLLIUM-RICH BED IS TRACEABLE COMPLETELY AROUND A SMALL HILL 900 FT LONG BY 400 FT WIDE, AND IS 6 FT THICK ON THE EAST SIDE.

References

Reference (Deposit): 1959 RECON STAATZ, USGS BULL. 1069

Reference (Deposit): 1964 RECON STAATZ, USGS PP 415

Reference (Deposit): 1979 GEOLMAP LINDSEY, USGS MAP I-1176

Reference (Production): EVERTS, M.L., 1980, ON SITE INVESTIGATION: UTAH GEOLOGICAL AND MINERAL SURVEY

Reference (Analytical Data): SRC.REF: CRIB

Reference (Deposit): BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110

Reference (Deposit): STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069

Reference (Deposit): STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415

Reference (Deposit): STAATZ, M.H., AND WILMARTH, V.R., & BAUER, H.L., JR., 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE, JUAB CO., UT: USGS TEI # 136, 88 P.

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