Robinhood Prospect

Prospect in Custer county in Idaho, United States with commodities Silver, Lead, Gold, Copper, Zinc

Sections on this page

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

Geologic information

Identification information

Deposit ID	10070919
MRDS ID	W014058
MAS/MILS ID	0160370662
Record type	Site
Current site name	Robinhood Prospect

Geographic coordinates

Geographic coordinates:	-115.03375, 44.71268 (WGS84)
Elevation	1737
Relative position	2.5 MI E OF LITTLE SOLDIER MTN

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Little Soldier Mountain(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Frank Church-River of No Return Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country	State	County
United States	Idaho	Custer

Public Land Survey System information

Meridian	Township	Range	Section	Fraction	State
Boise	016N	012E	20	NENE	Idaho

Comments on the location information

Less Than 1 Mi SW From Confluence of Thomas Creek and Middle Fork Salmon River

Commodities

Commodity	Importance
Silver	Primary
Lead	Secondary
Gold	Secondary
Copper	Tertiary
Zinc Critical	Tertiary

Comments on the commodity information

Assayed Sample of Mineralized Shear Zone Showed 9.59 Grams Gold Per Metric Tonne, 784.6 Grams Silver Per Metric Tonne, .48% Copper, and 5.41% Lead.

Materials information

Materials	Type of material
Galena	Ore
Malachite	Ore
Hematite	Gangue
Limonite	Gangue
Quartz	Gangue

Alteration

(Local) Gouge

Analytical data

Result	5 SAMPLES ASSAYED TRACE AND 0.28 OZ AU/TON, 0.20 TO 22.9 OZ AG/TON
Result	2 SAMPLES ASSAYED TRACE AND 0.48 % CU, 0.05 AND 5.41% PB
Result	1 SAMPLE CONTAINED 0.08 % ZN

Host and associated rocks

Host or associated

Associated

Rock type

Plutonic Rock > Pegmatite

Stratigraphic age (youngest)	Neoproterozoic
Stratigraphic age (youngest)	Neoproterozoic
Stratigraphic age (youngest)	Late Cretaceous

Host or associated	Associated
Rock type	Plutonic Rock > Granitoid > Granite
Rock unit name	Idaho Batholith-Granite;Andesite Dike;Pegmatite Dike
Rock description	Idaho Batholith-Granite;Andesite Dike;Pegmatite Dike

Host or associated Host

Rock type Metamorphic Rock > Schist > Mica Schist

Rock unit name Mica Schist

Rock description Mica Schist
Host or associated Host

Rock type Plutonic Rock > Pegmatite
Host or associated Host

Rock type Plutonic Rock > Granitoid > Granite

Host or associated	Host
Rock type	Metamorphic Rock > Schist > Mica Schist
Rock unit name	Mica Schist
Rock description	Mica Schist

Host or associated	Host
Rock type	Plutonic Rock > Pegmatite

Host or associated	Host
Rock type	Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1)	-115.03375, 44.71268	ListMap

Economic information

Ore body information

Strike S 83 DEG W

Dip 79 DEG N

Thickness 0.91M

Strike	S 83 DEG W
Dip	79 DEG N
Thickness	0.91M

Controls for ore emplacement

Shear Zone; Contact

Comments on the geologic information

Pegmatite Dike Trends N 24 Deg E, Dips 68 Deg Nw; Andesite Dike Trends N 50 - 70 Deg W, Dips Ne

Economic information about the deposit and operations

Operation type	Surface
Development status	Prospect
Commodity type	Metallic
Deposit size	Small
Significant	No
Discovery year	1899
Discoverer	V. J. Mcnerney And J. Valler

Mining district

District name	Middle Fork District

Land status

Ownership category	National Forest
Area name	Challis National Forest
Ownership category	National Primitive Area
Area name	Idaho Primitive Area

Ownership information

Type Owner-Operator

Owner Milton Hood And Earl Kimball

Type	Owner-Operator
Owner	Milton Hood And Earl Kimball

Comments on development

Prospects Extends From Near Thomas Creek To Top of Ridge

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	W014058
Idaho Geological Survey	Idaho Mines and Prospects	IMP	CH_891	http://www.idahogeology.org/
U.S. Bureau of Mines	Minerals Availability System	MAS	0160370662	data consolidated into this record

Bibliographic references

Deposit

Cater, F. W., And Others, 1973, Mineral Resources Of The Idaho Primitive Area And Vicinity, Idaho: U. S. Geological Survey Bulletin 1304, 431 P

General comments

Subject category	Comment text
Deposit	Second Shear Zone Strikes N 76 Deg W, Dips 17 Deg N; Quartz Veins Strike N and N 60 Deg W, Dip 39 Deg E and Vertically, Respectively, Data For Strike and Dip Above Concern Largest Mineralized Area

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-JUL-1974	Miller, Pat J.	U.S. Geological Survey
Reporter	30-OCT-1992	Weldin, Robert	U.S. Bureau of Mines

Beyond USGS

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