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:
Delta River District, Valdez-Cordova Census Area, Alaska, USA


mindat Locality ID: 203143
mindat URL: http://www.mindat.org/loc-203143.html

Tectonic Settings:

Total number of sublocalities beneath "Delta River District, Valdez-Cordova Census Area, Alaska, USA": 13
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Delta River Mine
Landmark Gap Prospect
Norel Occurrence
Unnamed Occurrence (ARDF - MH181; West Of Landmark Gap Lake)
Unnamed Occurrence (ARDF - MH183; West Of Lower Landmark Gap Lake)
Unnamed Occurrence (ARDF - MH185; West-northwest Of Lower Tangle Lake)
Unnamed Occurrence (ARDF - MH186; Northeast Flank Of Sugarloaf Mountain)
Unnamed Occurrence (ARDF - MH187; Southeast Foot Of Sugarloaf Mountain)
Unnamed Occurrence (ARDF - MH189; South Tributary To Fielding Lake)
Unnamed Occurrence (ARDF - MH192; Northeast Of Fourteenmile Lake)
Unnamed Occurrence (ARDF - MH202; Northwest Of Mud Lake)
Unnamed Prospect (ARDF - MH190; South Of Fielding Lake)
White Socks Occurrence

Latitude: 63°7'17"N
Longitude: 145°53'42"W
Decimal Degree (lat, lon): 63.121388888889,-145.895
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 Cr Cu Fe H Ni O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneCalciteChalcopyriteClinozoisiteCopperCorundumEpidoteMalachiteNickelineNone
Not in a structural groupPentlanditePyriteQuartzSpinel

16 IMA Minerals at location:
Azurite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)
Chromite  (*)Chrysocolla  (*)Epidote  (*)Gold  (*)Ilmenite  (*)
Magnetite  (*)Malachite  (*)Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211344305509
Bornite  (*)NoneCu5FeS43134428,134430,1344325516
Calcite  (*)CalciteCa(CO3)113443027770
Chalcocite  (*)NoneCu2S2134433,1344375707
Chalcopyrite  (*)ChalcopyriteCuFeS25134428,134430,134432,134438,13443927198
Chromite  (*)SpinelFe2+Cr2O411344363902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11344373531
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2134430,1344338173
Gold  (*)CopperAu113442730554
Ilmenite  (*)CorundumFe2+Ti4+O311344355433
Magnetite  (*)SpinelFe2+Fe3+2O42134435,13443914899
Malachite  (*)MalachiteCu2(CO3)(OH)22134430,13443212537
Pentlandite  (*)Pentlandite(Ni,Fe)9S811344391512
Pyrite  (*)PyriteFeS24134428,134429,134430,13443439462
Pyrrhotite  (*)NickelineFe7S84134429,134431,134438,1344399056
Quartz  (*)QuartzSiO25134428,134430,134432,134433,13443861156


No ages have been assigned to this locality yet.
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