Patten

Prospect in Alaska, United States with commodity Jade

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Commodities
Materials information
Host and associated rocks
Nearby scientific data
Economic information about the deposit and operations
Mining district
Links to other databases
Bibliographic references
General comments
Reporter information

Geologic information

Identification information

Deposit ID	10000739
MRDS ID	A011378
Record type	Site
Current site name	Patten

Geographic coordinates

Geographic coordinates:	-143.64457, 62.93163 (WGS84)
Relative position	Best location: Richter, 1967, ADGGS GR30, Plate 2, loc. 7. Accurate within 100 ft radius

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nabesna D-6(quadrangle 1:63,360 scale)

Nabesna NW(quadrangle 1:100,000 scale)

Nabesna(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Ahtna, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country	State
United States	Alaska

Commodities

Commodity	Importance
Jade	Primary

Materials information

Materials	Type of material
Nephrite	Ore
Chlorite	Gangue
Serpentine	Gangue
Tremolite	Gangue

Host and associated rocks

Host or associated Host

Rock type Metamorphic Rock > Serpentinite

Host or associated	Host
Rock type	Metamorphic Rock > Serpentinite

Nearby scientific data

(1)	-143.64457, 62.93163	ListMap

Economic information

Comments on the geologic information

Geologic Description = Nephrite associated with tremolite in 100 to 200 ft wide band of alpine-type ultramafic complex consisting of serpentine-chlorite schist and massive serpentinite containing abundant rodingite inclusions. Site is near Mentasta Pass just north of Denali fault.

Economic information about the deposit and operations

Development status	Prospect
Commodity type	Non-metallic

Comments on exploration

Status = Inactive

Mining district

District name	Tok; Mentasta Pass

Comments on the workings information

Workings / Exploration = Type of workings: surface

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	A011378
USGS	Alaska Resource Data File	ARDF	NB004

Bibliographic references

Deposit

Richter, D.H., 1967, Geology of the upper Slana-Mentasta Pass area, south-central Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 30, 27 p., 1 sheet, scale 1:63,360.
Deposit

Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.

Comments on the references

Primary Reference = Richter, 1967, ADGGS GR30

General comments

Subject category	Comment text
Deposit	Model Name = lode, metamorphic
Deposit	Other Comments = Deposit has yielded a number of pounds of semiprecious stone over the past 10 years (USGS MF-655K). Other deposits of jade in the ultramafic rocks of the quadrangle appear likely.

Reporter information

Type	Date	Name	Affiliation
Reporter	05-FEB-1997	Leonard, K.R.	U.S. Geological Survey
Reporter	05-FEB-1997	Elliott, R.L.	U.S. Geological Survey
Reporter	05-FEB-1997	Richter, D.H.	U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.