Duncan Gap Prospect

Occurrence in Shenandoah county in Virginia, United States with commodities Iron, Manganese
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10080709
MRDS ID W032052
Record type Site
Current site name Duncan Gap Prospect

Geographic coordinates

Geographic coordinates: -78.39889, 38.90615 (WGS84)
Elevation 396
Relative position 5.8 KM (3.6 MI) SOUTHEAST OF TOMS BROOK.

Site location context

Political divisions (FIPS codes)

Shenandoah(county)

Virginia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Toms Brook(quadrangle 1:24,000 scale)

Front Royal(quadrangle 1:100,000 scale)

Charlottesville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork Shenandoah(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Federal lands

George Washington National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

George Washington and Jefferson 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 Virginia Shenandoah

Comments on the location information

  • 260 M (853 FT) NORTHWEST OF THE POWELLS FORT CAMP ROAD 2.2 KM (1.4 MI) BY ROAD NORTHEAST OF ITS INTERSECTION WITH STATE ROAD 771 AND 2.1 KM (1.3 MI) NORTHEAST OF POWELLS FORT MINE.

Commodities

Commodity Importance
Iron Primary
Manganese Critical Primary

Materials information

Materials Type of material
Limonite Ore
Pyrolusite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Needmore Formation;Ridgeley Sandstone
    Rock description Needmore Formation;Ridgeley Sandstone

Nearby scientific data

(1) -78.39889, 38.90615

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Sw Trend, Massanutten Synclinorium
Type of structure Local
Structure description Syncline

Ore body information

  • General form IRREGULAR ()

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Little Fort Valley Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner George Washington National Forest

Comments on the workings information

  • PROSPECT CONSISTS OF NUMEROUS PITS.

Reference information

Bibliographic references

  • Deposit

    RADER, E.K., AND BIGGS, T.H., 1976, GEOLOGY OF THE STRASBURG AND TOMS BROOK QUADRANGLES, VIRGINIA: VDMR, REPT. OF INVESTIGATIONS 45, 104 P

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Trimble, David C. (Sweet, Palmer C.) Virginia Division of Mineral Resources

Beyond USGS

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