Ibex-Sunday area

Occurrence in Lake county in Colorado, United States
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Alteration
  6. Nearby scientific data
  7. Geologic structures
  8. Economic information about the deposit and operations
  9. Mining district
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10311048
Record type District
Current site name Ibex-Sunday area

Geographic coordinates

Geographic coordinates: -106.22672, 39.23332 (WGS84)

Site location context

Political divisions (FIPS codes)

Lake(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Sherman(quadrangle 1:24,000 scale)

Leadville(quadrangle 1:100,000 scale)

Leadville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Lake

Comments on the location information

  • An irregular area about 1 square mile, about 3 miles ESE of Leadville, bounded on the south by Iowa Gulch, by Ball Mountain on the east, Breece and Printer Boy Hill on the west, and South Evans Gulch on the north, mostly in sec 28, T 9 S, R 79 W.

Alteration

  • (Local) silicification

Nearby scientific data

(1) -106.22672, 39.23332

Economic information

Geologic structures

Type of structure Local
Structure description Ibex-Sunday graben

Comments on the geologic information

  • An anomalous depression bounded by faults, that includes igneous centers at Breece Hill and Bald Mtn., Paleozoic section intruded by several porphyry bodies, and the Garbutt, Sunday, and Whiteside veins, (Sunshine files, 1948)
  • Graben is bound on all sides by normal faults, including: Modoc-Garbutt-Weston (on the N and W), Ball Mountain (on the E), and Iowa Gulch (on the S).

Economic information about the deposit and operations

Development status Occurrence

Mining district

District name Leadville District

Comments on the production information

  • Orebodies of the Black Cloud mine were later found and mined in this area. (Hazlitt and Thompson)

Reference information

Bibliographic references

  • Deposit

    Emmons, S. F., Irving, J. D., and Loughlin, G. F., 1927, Geology and ore deposits of the Leadville mining district, Colorado: U.S. Geological Survey Professional Paper 148.

  • Deposit

    Behre, C. H., Jr., 1953, Geology and ore deposits of the west slopeof the Mosquito Range (Colorado): U.S. Geological Survey Professional Paper 235, 176 p.

  • Deposit

    Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.

  • Deposit

    Hazlitt, J. S., and Thompson, T. B., 1990, Breccia bodies in the Leadville district, with emphasis on occurrences in the Black Cloud mine, Lake county, Colorado: Economic Geology Monograph 7, p. 180-192.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-FEB-06 Beach, Richard A. Colorado Geological Survey
Editor 16-NOV-11 Wilson, Anna B U.S. Geological Survey Added Black Cloud mine as included, per comment by Beach.

Beyond USGS

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

Authoritative Colorado resources

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