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Rip Van Dam Mine

Past Producer in Boulder county in Colorado, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10018036
MRDS ID DC04733
Record type Site
Current site name Rip Van Dam Mine
Related records 10238857

Geographic coordinates

Geographic coordinates: -105.35253, 40.11192 (WGS84)
Location accuracy 10(meters)
Relative position NW 1/4

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 02N 71W 28 Colorado

Comments on the location information

  • LATITUDE-LONGITUDE VALUES FROM ADIT LOCATION IN NW-SEC28-T2N-R71W, ABOUT 2 MILES ESE OF JAMESTOWN.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Comments on the commodity information

  • Gold-silver telluride minerals present.

Materials information

Materials Type of material
Gold Ore
Telluride Ore
Pyrite Ore
Quartz Gangue

Mineral occurrence model information

Model code 84
USGS model code 22b
Deposit model name Alkaline Au-Te (Au-Ag-Te veins)
Mark3 model number 80

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -105.35253, 40.11192
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: GOLD TELLURIDES, FREE GOLD, AND FINELY DISSEMINATED PYRITE. Ore localized in easterly parts of vein and at vein junctions and changes in wall rocks.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Jamestown District

Production statistics

  • Year 1921
    Period 1904-1921
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 16018.29g
    Major Silver Silver 36266.65g

Comments on the production information

  • ITEMS 8 & 9: $15,000 UP TO 1883. 1904-21: 515.28 oz gold and 1166 oz silver.

Reference information

Bibliographic references

  • Deposit

    LOVERING & GODDARD, 1950, USGS PP 223, PG 279, FIG 77, and PLATE 3

  • Deposit

    CONSV. DIV. COMP. DATE, 10,62

  • Deposit

    REF. VANDERWILT MINERAL RESOURCES OF COLO." P 324"

  • Deposit

    Unpublished memos dated 1973-74 in Sunshine Mining Co. file ID#97 at Colorado Geological Survey contain extensive, rambling correspondence from property owner.

Reporter information

Type Date Name Affiliation Comment
Reporter 30-DEC-99 Conservation Division Files U.S. Geological Survey
Updater 01-JAN-74 Unknown U.S. Geological Survey
Updater 06-DEC-05 Beach, Richard A. Colorado Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative Colorado resources

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