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  3. Mineral Resource Data System (MRDS)

Braganza

Past Producer in Summit county in Colorado, United States with commodities Copper, Gold, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10264742
MAS/MILS ID 0081170030
Record type Site
Current site name Braganza

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.8673, 39.59249 (WGS84)
Elevation 3231
Location accuracy 5000(meters)

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

Commodities

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

Nearby scientific data

Main Entrance (1) -105.8673, 39.59249
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • One of 3 [past] producing in the Warden Gulch basin.

Reference information

Bibliographic references

  • Deposit

    Young, H.C., 2007, The Orphan Boy--A love affair with mining: Denver, CO, Burg Young Publishing, 254 p., and CD-ROM.

General comments

Subject category Comment text
General Occasional mentions in Young's book on the Orphan Boy Mine (aka Allen-Emory Mine).
General All three mines (Braganza, Orphan Boy, and Glendale) were started in the 1870s and 1880s. The mineral veins were located in the 1860s.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-FEB-78 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Editor 22-AUG-11 Wilson, Anna B U.S. Geological Survey Revised importance of commodities, added referece.

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.