| Deposit ID | 10087815 |
|---|---|
| MRDS ID | D010158 |
| Record type | Site |
| Current site name | Ladwig Group |
| Alternate or previous names | Claims: Ladwig No. 1, Ladwig No. 2, Ladwig No. 3 |
| Related records | 10263901 |
| Geographic coordinates: | -105.27002, 39.76971 (WGS84) |
|---|---|
| Elevation | 2057 |
| Relative position | 2.5 MILES N 68 DEG W OF GOLDEN (LOCATION INFORMATION IS FOR LADWIG NO. 1 CLAIM) |
Political divisions (FIPS codes)
Jefferson(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ralston Buttes(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Clear(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Jefferson |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 003S | 070W | 19 | S2 | Colorado |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Copper | Tertiary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Covellite | Ore |
| Pitchblende | Ore |
| Pyrite | Ore |
| Torbernite | Ore |
| Uranophane | Ore |
| Result | MINERALIZED GRAB SAMPLES CONTAINED UP TO 1.36% U, 8.25% CU, 0.10% PB, 0.10% ZN |
|---|
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||||
| Rock unit name | Granitic Pegmatite | ||||||||
| Rock description | Granitic Pegmatite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Idaho Springs Formation-Hornblende Gneiss Unit |
| Rock description | Idaho Springs Formation-Hornblende Gneiss Unit |
| (1) | Felsic and hornblendic gneisses, either separate or interlayered |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift, Denver Basin |
| Type of structure | Local |
| Structure description | Hurricane Hill Fault System |
| Thickness | 1.83M |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1971 |
| Year of last production | 1971 |
| District name | Ralston Buttes District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | L. C. Ladwig |
| Home office | Golden, Co. |
| First year | 1960 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010158 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080590014 |
| Subject category | Comment text |
|---|---|
| Deposit | URANIUM AND SECONDARY CU MINERALS FOUND IN FRAGMENTS OF CARBONATE FAULT BRECCIA IN NW-TRENDING SUBSIDIARY BRANCHES OF HURRICANE HILL FAULT SYSTEM |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1983 | Banke, Carl M. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.