Rock Run Gold Placers

Occurrence in Montgomery county in Maryland, United States with commodity Gold
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. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10068008
MRDS ID W000912
Record type Site
Current site name Rock Run Gold Placers
Related records 10170132

Geographic coordinates

Geographic coordinates: -77.20829, 38.9892 (WGS84)
Elevation 76
Relative position 0.7 MI. SE OF FAWCETT FARMS

Site location context

Political divisions (FIPS codes)

Montgomery(county)

Maryland(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Falls Church(quadrangle 1:24,000 scale)

Washington West(quadrangle 1:100,000 scale)

Washington(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Potomac-Catoctin(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Maryland Montgomery

Comments on the location information

  • THE UTM LOCATION FIGURES ARE APPROXIMATE

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -77.20829, 38.9892

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Trends: Northeast-Southwest

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • THERE WAS PROBABLY NEVER ANY PRODUCTION OF ANY CONSEQUENCE

Comments on the workings information

  • PLACERS WERE MINED BY SLUICING IN THE BOTTOM LAND OF ROCK RUN

Comments on development

  • ECON.COM: THE SLOPE OF THE VALLEY WAS INSUFFICIENT FOR ADVANTAGEOUS WORK

Reference information

Bibliographic references

  • Deposit

    EMMONS, S.F., 1890, TRANS. AIME, V. 18, P. 399-400

  • Deposit

    PEARRE, N.C., 1961, USGS MAP MR-12

General comments

Subject category Comment text
Deposit THE PEARRE REFERENCE SHOWS THE LOCATION OF THE DEPOSIT. THERE IS VERY LITTLE INFORMATION ABOUT THIS DEPOSIT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Wright, Nancy A. U.S. Geological Survey

Beyond USGS

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