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  3. Mineral Resource Data System (MRDS)

Allan Emory Mine

Past Producer in Summit county in Colorado, United States with commodities Gold, Silver, Lead, Zinc, Copper
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10021667
MRDS ID DE00800
MAS/MILS ID 81170017
Record type Site
Current site name Allan Emory Mine
Alternate or previous names Orphan Boy Mine, Allen Emory, Allen Emery, Allan Emery (all with and without hyphens)

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.841, 39.583 (WGS84)
Location accuracy 10(meters)
Relative position Main adit shown and labeled on Montezuma 1:24,000-scale topo as the Allan Emory Mine. Digitized in ArcMap.

Site location context

Political divisions (FIPS codes)

Summit(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Montezuma(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blue(hydrologic unit)

Colorado Headwaters(hydrologic accounting unit)

Colorado Headwaters(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

White River 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 Colorado Summit

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 005S 076W 25 SE4 Colorado

Comments on the location information

  • UNSURVEYED. ADDITIONAL ADIT LOCATION: 39-34-59N, 105-50-26W

Commodities

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

Materials information

Materials Type of material
Galena Ore

Nearby scientific data

Main Entrance (1) -105.841, 39.583
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1875
Production years 1881, 1887, 1889, 1949, 1950, and possibly other years.

Mining district

District name Montezuma - Geneva Creek

Ownership information

  • Type Owner
    Owner H.T. Young, F.W. Brooks, and M.A. Schoonover
    Home office Brooks-Young Mining Co. Idaho Springs, CO
    Year 1949

Production statistics

  • Year 1887
    Material 145 tons (45 tons in 1881, 100 tons in 1887) and unknown amount in 1889 that yielded 378 oz Ag and 1,894 pounds Pb.
    Ore mined 132mt
    Accuracy Estimate

Comments on the production information

  • copied from deleted MRDS DC05616: AGv. 16% Pb, 0.5% Cu, 0.03 oz Au, 3.0 oz Ag, and 6% Zn per ton.
  • Produced 45 tons of ore in 1881, 100 tons in 1887, and an unknown amount that yielded 378 oz of silver and 1,894 pounds of lead in 1889. (Lovering, PP-178, p. 92)
  • Copy of Report to Bureau of Mines, State of Colorado for 1949, on CD-ROM in Young, 2007, gives: 6 tons crude ore, average value per ton $62.09 for a total value of $375. Grades: 0.02 oz Au, 9.8 oz Ag, 29.175% Pb, 5.3% Zn, 0.425% Cu, and 11.15% Fe. For 1950: 342.5 tons crude ore, average value per ton $32.57 for a total value of $11,157.50. Grades: 0.031 oz Au, 3.64 oz Ag, 15.36 % Pb, 6.41% Zn.

Comments on the workings information

  • Developed by 3 adits between 11,800 and 12,100 ft elevation.

Comments on development

  • AS of 1883, there was a 150 ft drift and a 125 ft crosscut.

Reference information

Bibliographic references

General comments

Subject category Comment text
General Detailed history of the mine given in Young's 2007 book.

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey MRDS DC05616 = newMRDS 10108424, merged and deleted.
Reporter 1978-02-13 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0081170132 = newMRDS 10191738, merged and deleted.
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0081170017 = newMRDS 10143235, merged and deleted.
Reporter 1991-04-01 Wilson, Anna B. U.S. Geological Survey revised, consolidated and deleted duplicate records, based on Young, 2007.
Editor 2007-08-07 Melton, Greg U.S. Geological Survey MAS 0081170132 = newMRDS 10191738 and MRDS DC05616 = newMRDS 10108424, merged and deleted.
Editor 2011-08-22 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate records.

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.