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Madonna No. 3

Past Producer in Jefferson county in Colorado, United States with commodities Feldspar, Quartz, REE
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10013720
MRDS ID D010167
MAS/MILS ID 0080590118
Record type Site
Current site name Madonna No. 3
Alternate or previous names Madonna Western Mine, Madonna No. 3 Mine

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.19641, 39.3775 (WGS84)
Elevation 2164
Location accuracy 50(meters)
Relative position 18.8 MILES S 21 E FROM EVERGREEN. Westernmost pegmatite of the SE4 of SW4 Sec. 2. Also compare with RS-11, pl. 1, #20.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Platte Canyon(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Pike and San Isabel 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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 008S 070W 02 SE of SW Colorado

Comments on the location information

  • ALONG UNNAMED TRIBUTARY OF SPRING CREEK 2 MILES ENE OF LONG SCRAGGY PEAK ; INFO FROM LAND.ST :(1975). Location confirmed based on description in RS-11 compared with topo and satellite imagery.

Commodities

Commodity Importance
Feldspar Primary
Quartz Primary
REE Critical Primary

Materials information

Materials Type of material
Allanite Ore
Gadolinite Ore
Quartz Ore
Microcline Ore
Doverite Unknown
Fluorite Unknown
Monazite Unknown

Alteration

  • (Local) Replacement Of Fluorite By Yttrofluorite And Graphic Granite By Fluorite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite

Nearby scientific data

Pit (1) -105.19641, 39.3775
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Pikes Peak Batholith
Type of structure Local
Structure description Kennedy Gulch Fault Zone

Ore body information

  • General form OVAL
    Length 44.2M
    Width 33.53M

Comments on the ore body information

  • 100' X 120', oval. Wall zone. Core is composite of quartz + microcline. Minor replacement. Cross-cutting replacements of fluorite, yttrofluorite, gadolinite, monazite; selective fluorite replacement of wall zone graphic granite producing graphic fluorite-feldspar rock. Mined for quartz, feldspar, and rare earths. (RS-11, p. 98, #20).

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of last production 1965

Mining district

District name South Platte Pegmatite District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Robert W. Beal
    Home office Green Mountain Falls
    First year 1965
  • Type Owner
    Owner Herb Crisler
    Home office Colorado Springs, Co.
    First year 1965

Workings at the site

  • Type of workings Unknown
    Overall length 64.01M

Comments on the workings information

  • OPEN CUT

Comments on development

  • LAST REPORTED PRODUCTION WAS 20 ST RAE AND QTZ IN 1965

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OVAL PEGMATITE CONSISTS OF WALL ZONE OF QUARTZ-MICROCLINE-BIOTITE AND CORE OF MICROCLINE-QUARTZ. CROSSCUTTING REPLACEMENT OF FLUORITE, YTTROFLUORITE, GADOLINITE, AND MONAZITE. SELECTIVE FLUORITE REPLACEMENT OF GRAPHIC GRANITE IN WALL ZONE PRODUCES FLUORITE-FELDSPAR ROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-83 Schwochow, Stephen D. Colorado Geological Survey
Updater 01-MAY-93 Spanski, Gregory T. U.S. Geological Survey
Reporter 16-NOV-11 Wilson, Anna B U.S. 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.