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:
Mokelumne Hill, Mokelumne Hill District, East Belt, Calaveras Co., California, USA

Oldest recorded age at locality: 100
Youngest recorded age at locality: 100

mindat Locality ID: 144564
mindat URL: http://www.mindat.org/loc-144564.html

Tectonic Settings:

Total number of sublocalities beneath "Mokelumne Hill, Mokelumne Hill District, East Belt, Calaveras Co., California, USA": 65
Total number of bottom-level sublocalities: 63

Number of Child Localities: 56
Child Localities:
Ariel Mine
Blue Lead Placer Mine
Boston Mine (Boston Consolidated; Esperanza)
Boucher & Brackett Placer
Boundary Cone Mine
Buffalo-What-Cheer Mines
Casey & Bach Claim
Chatfield Placer
Chili Gulch (Chile Gulch ?)
Clover Leaf Mine
Concentrator Burleson Mine
Concentrator Mine
Corral Flat Placer
Duryea Mine (Shaw Mine; Shaw Hydraulic Mine)
Easy Bird Mine (Le Rio Mine; Outlook Mine; Big Pine Mine; Pacific Mine)
Eclipse Placer Mine (Infernal Placer Mine)
Eclipse Quarry
Emerson Mine
Empire Placer
Excelsior Mine (North Extension Of Lamphear Mine)
French Hill Mine
Garamendi Quarry
Garner Mine (Baltamore; Calaveras)
Geravanti Mine
Gladiator Mine
Gold King Mine
Good Hope Mine [2]
Green Mountain Mine (McSorley Mine)
Hamby Mine (Hamby & North Extension; Quaker City)
Hancock & Tibbits Mine (Hancock And Tibbitts)
Hatfield Jr. Mine (Q & P Mine)
Hexter Placer Mine
Lamphear And Moser Mine (Lamphyre Mine)
Lewis Mine
Linderaxa Mine
Lucas Mine (La Fortuna Mine)
Maloney Mine [2]
Mammoth And Jumper Mine (Mammoth & Jumper Mine)
Martin Fisher Property
May Pole Mine
McCann Placer
Monte Carlo Mine
Paul Consolidated Mine (Paul Cons.; La Belle France Mine; Bob Paul Claim;)
Peek Ranch Mine (Peck Ranch)
Royal Mine [1]
Sport Hill Placer (Moser)
Stockton Hill
Tom Boy Gold Mines
Unexpected & Expected Number Mine (Unexpected & Expected No.)
Union Consolidated Mine
Union Mines Inc. Mine
Unnamed Limestone Deposits [4]
Unnamed Mn-Co Occurrence [1]
Unnamed Rock Crystal Occurrence [2]
Vandel French Hill Occurrence (Vandel French Hill Gold Mines Company Property)
Veith Placer (M. J. Garamendo; Mammoth Mine; Pellaton Mine)

Latitude: 38°17'25"N
Longitude: 120°42'27"W
Decimal Degree (lat, lon): 38.290277777778,-120.7075
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: Al Au B Fe H K Na O Os Pb Pt S Sb Si Zn 

Elements from minerals reported directly at this locality: Al B Fe H Na O Pb S Sb Si 

Structural Groups for minerals in this locality: 
AmorphousClayCopperFeldsparMicaNickelineNonePyriteQuartzRocksalt
SphaleriteStibniteTourmaline

14 IMA Minerals at location:
Galena  (*)Gold  (*)Jamesonite  (*)Muscovite  (*)Opal  (*)
Osmium  (*)Platinum  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Sanidine  (*)Schorl  (*)Sphalerite  (*)Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Galena  (*)RocksaltPbS1001003152085,152100,15211824243
Gold  (*)CopperAu10010050152083,152084,152085,152086,152087,152088,152090,152092,152093,152094,152095,152096,152097,152098,152099,152101,152103,152104,152105,152106,152108,152109,152110,152111,152113,152114,152115,152116,152117,152118,152119,152120,152121,152123,152124,152125,152126,152127,152128,152129,152130,152133,152134,152135,152136,152139,152140,152141,152142,15214730554
Jamesonite  (*)NonePb4FeSb6S141001000784
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2100100115210217380
Opal  (*)AmorphousSiO2·nH2O1001004152092,152093,152094,1521172994
Osmium  (*)NoneOs1001001152088169
Platinum  (*)CopperPt1001001152088485
Pyrite  (*)PyriteFeS21001002152085,15208839462
Pyrrhotite  (*)NickelineFe7S810010011521009056
Quartz  (*)QuartzSiO210010034152083,152085,152089,152092,152093,152094,152097,152100,152105,152106,152108,152109,152110,152111,152113,152114,152115,152116,152118,152119,152120,152121,152123,152125,152127,152129,152130,152132,152135,152139,152140,152141,152142,15214561156
Sanidine  (*)FeldsparK(AlSi3O8)1001001152107598
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)10010002705
Sphalerite  (*)SphaleriteZnS100100115208521482
Stibnite  (*)StibniteSb2S310010011521373418


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Mo-00156100100      YesMolybdeniteMo16293Calaveras Co., California, USACalaveras CountyBrock (1972)10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2GSAB83_3391 

SampleSource LocalityReference URL

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