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:
Santiam District (Elkhorn District), Marion Co., Oregon, USA

Oldest recorded age at locality: 65
Youngest recorded age at locality: 1.8

mindat Locality ID: 50192
mindat URL: http://www.mindat.org/loc-50192.html

Tectonic Settings:

Total number of sublocalities beneath "Santiam District (Elkhorn District), Marion Co., Oregon, USA": 34
Total number of bottom-level sublocalities: 33

Number of Child Localities: 33
Child Localities:
Bimetallic And Gold Bug Occurrence
Black Eagle Occurrence
Blende Oro Occurrence
Blue Jay (Part Of The Ruth Group)
Bornite Breccia Pipe (Cedar Creek Breccia Pipe; Stony Ridge)
Breitenbush Hot Springs Cinnabar Occurrence
Bueche Group
Capitol Claims
Copper Prospect (MRDS - 10095316)
Crown Mine
Dunlap Mine
Elkhorn Creek Prospect
Gold Creek Mining & Milling Company Prospect
Greenhorn Prospect
Humbug Mining & Milling Company Prospect (Breitenbush Mining Company; Humbug Mining And Milling Company)
Illahee Hill Occurrence (Speerstra Prospect)
Lower Granger And Shilo Occurrence (Part Of The Santiam Group)
Mineral Cut Prospect
Mineral Harbor Group
Mother Lode Group (Cascade Gold And Silver)
North Santiam Copper Occurrence
Pansy Group
Red Rock Group
Riverside Claim
Russell - Ritter Mine (Humbug)
Santiam Copper Group (Rainbow; Low; Northwest Copper Company; Lotz & Larson; Lower Granger & Shio)
Shiny Rock Mining Company
Silver King Group (Queen Of The West)
Silver Star And Helvetia Occurrence
Unnamed Uranium Occurrence (MRDS - 10257020)
Valhalla 5 Occurrence
Wolz Property (German Mine; Bonanza Mine)
Zinc Prospect (MRDS - 10054187)

Latitude: 44°50'46"N
Longitude: 122°16'37"W
Decimal Degree (lat, lon): 44.846111111111,-122.27694444444
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 C Ca Cu Fe H Hg K Mo O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmorphousCalciteChalcopyriteClayClinozoisiteCopperCorundumEpidoteMalachite
MicaMolybdeniteNonePyriteQuartzRocksaltSphaleriteTetrahedrite

18 IMA Minerals at location:
Ankerite  (*)Bornite  (*)Calcite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Epidote  (*)Galena  (*)Gold  (*)Hematite  (*)Malachite  (*)
Metacinnabar  (*)Molybdenite  (*)Muscovite  (*)Opal  (*)Pyrite  (*)
Quartz  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)212615293092
Bornite  (*)NoneCu5FeS414122261505,2615215516
Calcite  (*)CalciteCa(CO3)14126261502,261503,261505,261513,261517,26152127770
Chalcopyrite  (*)ChalcopyriteCuFeS2141218261501,261502,261503,261504,261505,261508,261509,261510,261513,261517,261519,261520,261521,261526,261528,261529,261530,26153327198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12615103531
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)14125261505,261520,261528,261530,2615338173
Galena  (*)RocksaltPbS14129261502,261503,261504,261505,261508,261513,261519,261528,26152924243
Gold  (*)CopperAu14123261505,261514,26152830554
Hematite  (*)CorundumFe2O32261526,26153014640
Malachite  (*)MalachiteCu2(CO3)(OH)23261502,261510,26152012537
Metacinnabar  (*)SphaleriteHgS721261506255
Molybdenite  (*)MolybdeniteMoS214122261505,2615215800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2141210261501,261503,261504,261505,261508,261519,261520,261521,261526,26152817380
Opal  (*)AmorphousSiO2·nH2O7212615062994
Pyrite  (*)PyriteFeS227219261501,261502,261503,261504,261506,261507,261508,261509,261510,261513,261517,261519,261521,261524,261525,261526,261528,261529,26153339462
Quartz  (*)QuartzSiO2141219261501,261502,261503,261504,261505,261507,261508,261509,261510,261513,261517,261519,261520,261521,261526,261528,261529,261530,26153361156
Sphalerite  (*)SphaleriteZnS141216261501,261503,261504,261505,261507,261508,261509,261510,261513,261517,261519,261526,261528,261529,261530,26153321482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13141212615055317


15 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
NAVDAT-5973141213±1   5973    147662Blue Jay (Part Of The Ruth Group), Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-5979141213±1   5979    66799Bornite Breccia Pipe (Cedar Creek Breccia Pipe; Stony Ridge), Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-16339624±2  plagioclase16339    147743Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-7254724+3/-2   7254    147743Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-5978141213±1   5978    150097Lower Granger And Shilo Occurrence (Part Of The Santiam Group), Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-10959651.833.4±31.6   10959    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-10962651.833.4±31.6   10962    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-3447913.210.812±1.2   34479    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-3448013.210.812±1.2   34480    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-3448113.210.812±1.2   34481    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-3448213.210.812±1.2   34482    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-3448313.210.812±1.2   34483    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6003513.210.812±1.2   60035    150372Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-7204272124±3   7204    151388Russell - Ritter Mine (Humbug), Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-7234111010+1/-0   7234    151388Russell - Ritter Mine (Humbug), Santiam District (Elkhorn District), Marion Co., Oregon, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL

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