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:
Tiller - Drew, Douglas Co., Oregon, USA

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

mindat Locality ID: 207598
mindat URL: http://www.mindat.org/loc-207598.html

Tectonic Settings:

Total number of sublocalities beneath "Tiller - Drew, Douglas Co., Oregon, USA": 38
Total number of bottom-level sublocalities: 38

Number of Child Localities: 38
Child Localities:
B And H Occurrence (Lucky Logger; Wonder Claim)
Baldwin Occurrence
Banfield Mine (Rainbow Lode; South Umpqua Mining Company)
Boulder Divide Road No. 2844 Prospect
Buena Vista (Umpqua Mine)
Coffee Creek Placers
Cooper And Young Prospect
Copper Butte Prospect
Drew Occurrence (Jackson)
Evans Group
Flat Claim
Gold Cut Mine (Pennel Mine)
Gopher Occurrence (Stephen; Pennell)
Hamlin Iron Prospect
Harkins Occurrence
J. L. Prospect (Chimney Claim J & L Cinnabar; Lerwill-Jackson Cinnabar)
James R. Occurrence (Pollanz)
Johh Hall Mine
Laurel Occurrence
Lost Forty Occurrence
Lucky Cuss Claims
Lucky Strike
Maud S. (Oregon Mercury Corp.)
May Occurrence
Mills Prospect
Myrna - Thelma Nos. 1 & 2 Occurrence
Pennel And Farmer Prospect
Poor Boy Occurrence (Monte Carlo Claims; Crispin; Last Chance)
Raelynne Prospect (Raelyonne Prospect)
Rainville Occurrence
Red Hill No. 1 Occurrence
Red Hill Prospect
Ross Claims (Pence And Howell)
Rowley Mine (Umpqua Copper Group)
Scieffelin No. 2 Occurrence
Short Claim (Corda Ann)
Unnamed Gold Prospect (MRDS - 10201127)
Zinc Mine

Latitude: 42°57'4"N
Longitude: 122°56'7"W
Decimal Degree (lat, lon): 42.951111111111,-122.93527777778

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 As C Ca Cr Cu Fe H Hg K Mg O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayMicaNoneOrpimentPyriteQuartzRocksaltSphalerite
SpinelStibniteTalc

14 IMA Minerals at location:
Calcite  (*)Chalcopyrite  (*)Chromite  (*)Cinnabar  (*)Galena  (*)
Magnetite  (*)Muscovite  (*)Orpiment  (*)Pyrite  (*)Quartz  (*)
Realgar  (*)Sphalerite  (*)Stibnite  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)651.88257512,257514,257518,257526,257532,257537,257543,25754727770
Chalcopyrite  (*)ChalcopyriteCuFeS2651.84257512,257536,257543,25754727198
Chromite  (*)SpinelFe2+Cr2O42257538,2575453902
Cinnabar  (*)NoneHgS13257512,257514,257518,257519,257522,257524,257525,257526,257530,257532,257534,257537,2575422600
Galena  (*)RocksaltPbS651.8125754724243
Magnetite  (*)SpinelFe2+Fe3+2O42257512,25751614899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2125754317380
Orpiment  (*)OrpimentAs2S31257510511
Pyrite  (*)PyriteFeS26257512,257514,257521,257537,257541,25754339462
Quartz  (*)QuartzSiO2651.88257512,257514,257518,257526,257532,257537,257543,25754761156
Realgar  (*)NoneAsS1257510712
Sphalerite  (*)SphaleriteZnS651.82257543,25754721482
Stibnite  (*)StibniteSb2S312575103418
Talc  (*)Clay TalcMg3Si4O10(OH)212575433337



2 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-44333393537±2   44333    148252Copper Butte Prospect, Tiller - Drew, Douglas Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-10981651.833.4±31.6   10981    153501Zinc Mine, Tiller - Drew, Douglas Co., Oregon, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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