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Morning Glory

Past Producer in Sierra county in California, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077656
MRDS ID W025442
Record type Site
Current site name Morning Glory
Related records 10140756

Geographic coordinates

Geographic coordinates: -120.83936, 39.46767 (WGS84)
Elevation 1207
Relative position 1/4 MI E OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe 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 California Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 010E 34 California

Comments on the location information

  • UTM ACC. S 1/2

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • PYRITIZED SCHIST IN PRODUCTIVE PART OF VEIN. HIGH GRADE ORE MOSTLY IN SML BUNCHES.

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -120.83936, 39.46767
ListMap

Economic information

Ore body information

  • Strike N 40 W
    Dip 45 NE
    Thickness 2.13M

Comments on the geologic information

  • IRREGULAR, 1-7 FT THICK QZ VEIN, WHERE CONTINUOUS, 1-3 FT, WITHIN MASSIVE AMPHIBOLITE SCHIST, PROBABLY CONTINUOUS W BRANCH OF ECLIPSE VEIN. STRIKE IN PRODUCTIVE UPPER LEVELS N 20-60 W, DIP 30-60 NE. MAY FOLLOW SAME NORMAL FAULT AS OPHIR VEIN. SEVERAL SMALL THRUST FAULTS, NONE DISPLACING VEIN MORE THAN 10 FT. LOWEST LEVEL IS SHARP CHANGE IN STRIKE SEEMS DUE TO PREMINERAL FAULTING OF NW FISSURE BY N FISSURE. 2 KINDS OF POST MINERAL FAULTS. 1) SUBPARALLEL TO BUT CROSSING VEIN, 2) STEEPLY, USUALLY W DIPPING, NORTHERLY STRIKING FISSURES. MOSTLY ONLY A FEW FEET, BUT ONE, WHICH MAY BE SAME AS SIXTEEN TO ONE, MAY DISPLACE VEIN AS MUCH AS 250 FT. LITTLE MARIPOSITE. BRECCIATED, RECEMENTED QTZ OBSERVED ALONG HANGING WALL ASSOCIATED W HIGH GRADE ORE, & SMALL FAULTS, W/1 QTZ BUT NOT ARSENOPYRITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • TOTAL PRODUCTION BETWEEN $90-100 THOUSAND. FERGUSON ESTIMATES $27-32/FT.

Workings at the site

  • Type of workings Unknown
    Overall depth 60.96M

Comments on the workings information

  • DRIFT ADIT, INCLINED SHAFT 380 FT ON VEIN DIP, TOTALING 2500 FT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) 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 California resources

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