Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Michigan Bluff, Michigan Bluff District (Michigan Bluff Deposit), Placer Co., California, USA


mindat Locality ID: 266364
mindat URL: http://www.mindat.org/loc-266364.html

Tectonic Settings:

Total number of sublocalities beneath "Michigan Bluff, Michigan Bluff District (Michigan Bluff Deposit), Placer Co., California, USA": 45
Total number of bottom-level sublocalities: 45

Number of Child Localities: 45
Child Localities:
Adams Pit [2]
Anderson Pit
Anna Sue Mine
Argonaut & Sunset Occurrence
Bachelor Pit
Beehive Mine
Big Gun Placer Mine (Big Gun Thompson & Powell; Red Hill & Van Emon Placer Mines)
Blue Jay Mine
Bowen Mine
Burns Mine (Burns No. 2 Mine)
Burns No. 1 Mine
Butte Mine
Champion Mine (S Extension Daniel Webster Claim)
Daniel Webster Mine (Champion)
Dharma Placer
Drummond Pit
Eastman Mine
El Dorado Hill Mine
Forrest Hill Placer Mine (Foresthill)
Franklin Placer Mine (Franklin Mine)
Georgia Placer
Golden Chief Mine
Golden Gate Mine
Golden Gem Placer
Golden Sheaf Mine (No Chuck Claim; Beehive Claim)
Hazard Mine
Imperial Mine
Keokuk Placer (Keokuk Point)
Manhattan Placer
Marian Placer
Mary Anna Mine
Michigan Bluff Mine
Mohawk Placer Mine
Muir Tunnel Claim
Oro Placer
Rainbow Land Mine
Red Hill & Van Emon Occurrence
Schermeir Prospect
Turkey Hill Consolidated
Unnamed Au Occurrence [54]
Unnamed Au Occurrence [62]
Unnamed Au Occurrence [75]
Unnamed Au Pit [33]
Weske Occurrence
Wills Placer

Latitude: 39°2'57"N
Longitude: 120°43'24"W
Decimal Degree (lat, lon): 39.049166666667,-120.72333333333
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Au Cr Fe O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CopperNoneQuartzSpinel

3 IMA Minerals at location:
Chromite  (*)Gold  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chromite  (*)SpinelFe2+Cr2O411674443902
Gold  (*)CopperAu12167409,167412,167413,167414,167415,167419,167420,167428,167431,167438,167439,16744830554
Quartz  (*)QuartzSiO24167414,167419,167420,16743161156


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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