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:
Lake Creek District, Jackson Co., Oregon, USA

Oldest recorded age at locality: 35
Youngest recorded age at locality: 0

mindat Locality ID: 66382
mindat URL: http://www.mindat.org/loc-66382.html

Tectonic Settings:

Total number of sublocalities beneath "Lake Creek District, Jackson Co., Oregon, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Bush Ranch Occurrence
Coon Creek Claims (Gemmell Claims)
Fox Prospect
George A. McLean Occurrence
Grand Cove Prospect
Homestake Claim (Daley Pits)
Lick Creek Copper Occurrence
Stanley And Brown Prospect (Brownsboro Clay & Quicksilver)
Star F. Ranch Occurrence (Fararr Pits)
Tyrell Mine (Manganese Metals Co. Mine)

Latitude: 42°26'32"N
Longitude: 122°38'3"W
Decimal Degree (lat, lon): 42.442222222222,-122.63416666667

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: Ba Ca H Mn O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BaryteGypsumNoneQuartzRutile

5 IMA Minerals at location:
Baryte  (*)Gypsum  (*)Manganite  (*)Pyrolusite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)125906011547
Gypsum  (*)GypsumCa(SO4)·2H2O12590606890
Manganite  (*)RutileMn3+O(OH)2259053,259060770
Pyrolusite  (*)RutileMnO212590603106
Quartz  (*)QuartzSiO2125905361156



6 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-187431.10.10.6±0.5   18743    149265Grand Cove Prospect, Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-340971.800.9±0.9   34097    149265Grand Cove Prospect, Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-37814292527±2   37814    149507Homestake Claim (Daley Pits), Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-41441232122±1   41441    149950Lick Creek Copper Occurrence, Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-41446352027+8/-7   41446    151715Stanley And Brown Prospect (Brownsboro Clay & Quicksilver), Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-37817242223±1   37817    151716Star F. Ranch Occurrence (Fararr Pits), Lake Creek District, Jackson Co., Oregon, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...