Adair Group

Occurrence in Gunnison county in Colorado, United States with commodities Thorium, Lead, REE, Titanium, Metal

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Public Land Survey System information
Commodities
Materials information
Host and associated rocks
Nearby scientific data
Geologic structures
Controls for ore emplacement
Economic information about the deposit and operations
Mining district
Land status
Links to other databases
Bibliographic references
General comments
Reporter information

Geologic information

Identification information

Deposit ID	10014407
MRDS ID	D011160
Record type	Site
Current site name	Adair Group

Geographic coordinates

Geographic coordinates:	-107.17535, 38.35083 (WGS84)
Elevation	2515
Relative position	18.7 MILES S 46 W FROM GUNNISON

Site location context

Political divisions (FIPS codes)

Gunnison(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gateview(quadrangle 1:24,000 scale)

Montrose(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country	State	County
United States	Colorado	Gunnison

Public Land Survey System information

Meridian	Township	Range	Section	Fraction	State
New Mexico	047N	003W	01,02		Colorado

Comments on the location information

GROUP COVERS PARTS OF TWO SECTIONS, POSSIBLY INCLUDING PORTIONS OF OLDER PATENTED CLAIM BLOCKS (MS 14471 HAS AN ADAIR CLAIM). ELEV AND LAT-LONG GIVEN ARE FOR GROUP OF TH PROSPECTS IN SE NW SE SEC. 02. ; INFO FROM LAND.ST :1975

Commodities

Commodity	Importance
Thorium	Primary
Lead	Tertiary
REE Critical	Tertiary
Titanium, Metal Critical	Tertiary

Materials information

Materials	Type of material
Galena	Ore
Thorite	Ore
Ankerite	Gangue
Bastnaesite	Gangue
Dolomite	Gangue
Pyrite	Gangue
Quartz	Gangue
Rutile	Gangue
Siderite	Gangue
Sphalerite	Gangue
Synchisite	Gangue

Analytical data

Result	RADIATION COUNTS RANGE TO MAXIMUM 0.15 TO 2.0 MR/HR. OLSON AND WALLACE'S (1956) SAMPLE ANALYSES (EACH SET OF VALUES IS % EQUIV URANIUM AND AND CALCULATED THO2 CONTENT): 0.23, 1.3
Result	0.086, 0.48
Result	0.04, 0.22

Host and associated rocks

Host or associated

Associated

Rock type

Plutonic Rock > Mafic Intrusive Rock > Diorite

Stratigraphic age (youngest)	Neoproterozoic
Stratigraphic age (youngest)	Neoproterozoic

Host or associated	Associated
Rock type	Plutonic Rock > Porphyry > Lamprophyre
Rock unit name	Quartz Diorite;Quartz Vein
Rock description	Quartz Diorite;Quartz Vein

Host or associated	Host
Rock type	Metamorphic Rock > Schist
Rock unit name	Dubois Greenstone--Interlayered Greenstone And Metasedimentary Rocks;Dubois Greenstone--Metavolcanic Hornblende Schist And Amphibolite
Rock description	Dubois Greenstone--Interlayered Greenstone And Metasedimentary Rocks;Dubois Greenstone--Metavolcanic Hornblende Schist And Amphibolite

Host or associated Host

Rock type Metamorphic Rock > Amphibolite

Nearby scientific data

(1)	-107.17535, 38.35083	ListMap

Economic information

Geologic structures

Type of structure	Regional
Structure description	Gunnison Uplift, San Juan Volcanic Field
Type of structure	Local
Structure description	Gunnison Gold Belt, Iron Hill Alkalic Complex, Cimarron Fault, Tolvar Peak Stock

Controls for ore emplacement

Ne-Trending Veins And Ne-And Nw-Trending Faults Cutting Metamorphics

Economic information about the deposit and operations

Development status	Occurrence
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Goose Creek District

Land status

Ownership category	Private

Comments on the workings information

NUMEROUS SURFACE PROSPECT PITS

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	D011160

Bibliographic references

Deposit

OLSON, J.C., AND HEDLUND, D.C., 1973, GEOLOGIC MAP OF THE GATEVIEW QUADRANGLE, GUNNISON COUNTY, COLORADO: USGS MAP GQ-1071.
Deposit

HEDLUND, D.C., AND OLSON, J.C., 1961, FOUR ENVIRONMENTS OF THORIUM-, NIOBIUM-, AND RARE-EARTH-BEARING MINERALS IN THE POWDERHORN DISTRICT OF SOUTHWESTERN COLORADO: USGS PROF. PAPER 424-B, P. B283-B286.
Deposit

OLSON, J.C., AND HEDLUND, D.C., 1981, ALKALIC ROCKS AND RESOURCES OF THORIUM AND ASSOCIATED ELEMENTS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS PROF. PAPER 1049-C.
Deposit

OLSON, J.C., AND WALLACE, S.R., 1956, THORIUM AND RARE-EARTH MINERALS IN POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS BULL. 1027-0.
Deposit

NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 176-177.
Deposit

BURBANK, W.S., 1951, AEC PRELIM. RECON. REPT. D-224.

General comments

Subject category	Comment text
Deposit	THORIUM VEINS IN THIS AREA ARE ONE OF FOUR ENVIROMMENTS OF TH OCCURRENCE KNOWN IN POWDERHORN-IRON HILL AREA AND ARE PROBABLY RELATED TO EMPLACEMENT OF LATE PRECAMBRIAN SYENITES NORTH AND WEST OF IRON HILL AND OF IRON HILL AND OF YOUNGER LATE PRECAMBRIAN OR CAMBRIAN CARBONATITES AT IRON HILL. FOLIATION OF DUBOIS GREENSTONE COUNTRY ROCK TRENDS GENERALLY NE IN DUBOIS MINE VICINITY; TRENDS CHANGE TO EAST-WEST AND WNW-ESE IN NW SEC. 01 WHERE SECTION IS CUT BY NW-TRENDING FAULTS. IN SEC. 02, TH VEINS TREND N 20 E AND N 72 E.

Subject category

Comment text

Deposit

THORIUM VEINS IN THIS AREA ARE ONE OF FOUR ENVIROMMENTS OF TH OCCURRENCE KNOWN IN POWDERHORN-IRON HILL AREA AND ARE PROBABLY RELATED TO EMPLACEMENT OF LATE PRECAMBRIAN SYENITES NORTH AND WEST OF IRON HILL AND OF IRON HILL AND OF YOUNGER LATE PRECAMBRIAN OR CAMBRIAN CARBONATITES AT IRON HILL. FOLIATION OF DUBOIS GREENSTONE COUNTRY ROCK TRENDS GENERALLY NE IN DUBOIS MINE VICINITY; TRENDS CHANGE TO EAST-WEST AND WNW-ESE IN NW SEC. 01 WHERE SECTION IS CUT BY NW-TRENDING FAULTS. IN SEC. 02, TH VEINS TREND N 20 E AND N 72 E.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-JAN-1984	Schwochow, Stephen D.	Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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Authoritative Colorado resources

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