Rock Slide No. 1 Prospect

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

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
Workings at the site
Links to other databases
Bibliographic references
Reporter information

Geologic information

Identification information

Deposit ID	10070611
MRDS ID	W013616
MAS/MILS ID	0160370684
Record type	Site
Current site name	Rock Slide No. 1 Prospect
Alternate or previous names	Emerald

Geographic coordinates

Geographic coordinates:	-114.63702, 43.99879 (WGS84)
Elevation	2987
Relative position	8.5 MI. N. OF GALENA, ID.

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horton Peak(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest 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	008N	015E	25	NWNE	Idaho

Comments on the location information

On NE Side of Bible Back Mtn. Land Status Value Calculated 7-94 Using Gis Overlay Analysis With Usfs Land Ownership Boundaries, 1:126,720 Scale.

Commodities

Commodity	Importance
Silver	Primary
Lead	Primary
Gold	Tertiary

Materials information

Materials	Type of material
Galena	Ore
Quartz	Gangue

Alteration

(Local) Gouge

Analytical data

Result	4 CHIP SAMPLES FROM ADIT A AVERAGED:\n0.02 OZ AU\n4.3 OZ AG PER TON\n1.41% PB. \nSAMPLE FROM ADIT B ASSAYED: \n0.08 OZ AU\n13.7 OZ AG PER TON\n21.0% PB\n0.4% S

Host and associated rocks

Host or associated

Host

Rock type

Metamorphic Rock > Metasedimentary Rock > Quartzite

Rock unit name

Wood River Formation-Quartzite

Rock description

Wood River Form.-Quartzite

Stratigraphic age (youngest)	Late Permian

Nearby scientific data

(1)	-114.63702, 43.99879	ListMap

Economic information

Ore body information

Thickness 1.22M

Thickness	1.22M

Controls for ore emplacement

Fractures, Shear Zones Trend N, Dip Steeply.

Comments on the geologic information

Shear Zone Is Extension of Fraction Claim Shear Zone.

Economic information about the deposit and operations

Operation type	Surface-Underground
Development status	Prospect
Commodity type	Metallic
Deposit size	Small
Significant	No
Discovery year	1882

Mining district

District name	Germania Creek District

Land status

Ownership category	National Forest
Area name	Sawtooth National Forest

Comments on the production information

No Production Records Available, But the Property May Have Contributed To the $500,000 of Pb and Ag Reportedly Produced From the Area.

Workings at the site

Type of workings Surface/Underground

Overall depth 15.24M

Type of workings	Surface/Underground
Overall depth	15.24M

Comments on the workings information

3 Open Adits, 2 Caved Adits and 5 Prospect Pits. Shear Zone In Adit B Strikes N 75 Deg W and Dips 55 Deg Sw. Zone Strikes N 10 Deg W, and Dips 70 Deg SW In Adit C.

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	W013616
Idaho Geological Survey	Idaho Mines and Prospects	IMP	HA_151	http://www.idahogeology.org/
U.S. Bureau of Mines	Minerals Availability System	MAS	0160370684	data consolidated into this record

Bibliographic references

Deposit

Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open - File Rept., 648 P
Deposit

Vannoy & Others, 1986, USGS Bulletin 1545e, P. 283, Pl. 3, No. 141
Production

Tschanz, C. M., And Others, 1974, USGS Open - File Report.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-JUL-1976	Murphy, Lyn S.; Miller, Pat	U.S. Geological Survey
Reporter	01-MAR-1995	McHugh, Edward L.	U.S. Bureau of Mines

Beyond USGS

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