| Deposit ID | 10090118 |
|---|---|
| MRDS ID | D005499 |
| Record type | Site |
| Current site name | Rex Ore Body |
| Related records | 10155318, 10275808 |
| Geographic coordinates: | -113.39886, 37.63247 (WGS84) |
|---|---|
| Elevation | 1996 |
| Relative position | 500 FEET SSE OF MILNER HILL |
Political divisions (FIPS codes)
Iron(county)
Utah(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Silver Peak(quadrangle 1:24,000 scale)
Cedar City(quadrangle 1:100,000 scale)
Cedar City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Escalante Desert(hydrologic unit)
Escalante Desert-Sevier Lake(hydrologic accounting unit)
Escalante Desert-Sevier Lake(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Utah | Iron |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Salt Lake | 036S | 014W | 26,27,34,35 | Utah |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Magnetite | Ore |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| Rock unit name | Iron Mtn. Pluton | ||||||
| Rock description | Iron Mtn. Pluton | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Carmel Formation;Homestake Limestone Member Of Carmel Formation;Entrada Sandstone;Iron Springs Formation |
| Rock description | Carmel Formation;Homestake Limestone Member Of Carmel Formation;Entrada Sandstone;Iron Springs Formation |
| (1) | -113.39886, 37.63247 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Sevier Thrust System |
| Type of structure | Local |
| Structure description | Faulting, Fracturing, Iron Mtn. Intrusion |
| General form | TABULAR |
|---|---|
| Strike | NORTH-SOUTH |
| Dip | 20 DEG W |
| Thickness | 228.6M |
| Width | 457.2M |
| Depth to top | 152.4M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1945 |
| Discoverer | U.S. Bureau Of Mines |
| District name | Pinto Iron |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | U.S. Steel Corp. |
| Home office | Jefferson City, Tn. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D005499 |
YOUNG, W.E., 1947, IRON DEPOSITS, IRON COUNTY, UTAH: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4076, 102 P.
MACKIN, J. HOOVER, 1947, SOME STRUCTURAL FEATURES OF THE INTRUSIONS IN THE IRON SPRINGS DIST.; UTAH GEOL. SOCIETY GUIDEBOOK NO. 2, 62 P.
BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P 23-63.
1947 DIREXPL YOUNG, U.S. BUREAU OF MINES REPT. INV. 4076
1947 RECON MACKIN, UTAH GEOL. SOC. GUIDEBOOK #2
1954 GEOLMAP MACKIN, MINERALS INVESTIGATIONS MAP MF-14
1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B
1976 RECON BULLOCK, UTAH GEOL. MINERAL SURVEY BULLETIN 88
STEGEN, R.J., 1979, GEOLOGIST.
| Subject category | Comment text |
|---|---|
| Deposit | MAIN REX ORE BODY IS REPLACEMENT OF HOMESTAKE LIMESTONE, BUT MINERALIZATION IS ALSO STRONG IN OVERLYING BRECCIATED FORMATIONS OF ENTRADA SANDSTONE AND IRON SPRINGS FORMATION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1979 | Stegan, Ralph J. | Bureau of Land Management |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.