| Deposit ID | 10013731 |
|---|---|
| MRDS ID | D010189 |
| Record type | Site |
| Current site name | Centennial Cone Prospect |
| Alternate or previous names | K-L Green Ranch |
| Geographic coordinates: | -105.35752, 39.75416 (WGS84) |
|---|---|
| Elevation | 2548 |
| Relative position | 7.1 MILES S 86 W FROM GOLDEN |
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 | 071W | 32 | NW OF NE | Colorado |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Primary |
| Feldspar | Tertiary |
| Mica | Tertiary |
| Quartz | Tertiary |
| REE Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Microcline | Ore |
| Monazite | Ore |
| Muscovite | Ore |
| Quartz | Ore |
| 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-Microcline-Quartz-Plagioclase-Biotite Gneiss Unit |
| Rock description | Idaho Springs Formation-Microcline-Quartz-Plagioclase-Biotite Gneiss Unit |
| (1) | -105.35752, 39.75416 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift, Denver Basin |
| Type of structure | Local |
| Structure description | Junction Ranch Fault System, Unnamed Anticline |
| Thickness | 3.05M |
|---|---|
| Length | 152.4M |
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Clear Creek Pegmatite Province |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Alaska International Corp. |
| Home office | Albuquerque, N.M. |
| First year | 1961 |
| Type | Owner |
|---|---|
| Owner | K. L. And G. S. Green |
| Home office | Golden, Co. |
| First year | 1961 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010189 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080590051 |
WALDSCHMIDT, W.A., AND ADAMS, J.W., 1942, THE BERYL-MONAZITE PEGMATITE DIKE OF CENTENNIAL CONE, COLORADO: COLORADO SCHOOL OF MINES QUART., V. 37, NO. 3, P. 29-38
USBM MIN. EXAM. FILE, REPT. OF 4/23/59 (FROM ORIGINAL CRIB RECORD)
ORIGINAL CRIB RECORD (PROBABLY USBM REFERENCE)
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1983 | Schwochow, Stephen D. | 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.