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:
Eagle District, Southeast Fairbanks Census Area, Alaska, USA

mindat Locality ID: 203135
mindat URL: http://www.mindat.org/loc-203135.html

Tectonic Settings:

Total number of sublocalities beneath "Eagle District, Southeast Fairbanks Census Area, Alaska, USA": 42
Total number of bottom-level sublocalities: 42

Number of Child Localities: 42
Child Localities:
Alder Creek Mine
Alder Creek Prospect (lode In Eagle D-3 Quadrangle)
American Creek; Teddys Fork; Discovery Fork; Alder Gulch Mines
Arctic Creek Prospect
Barney Creek Mines
Bonanza Creek Prospect (lode)
Boundary Creek Mine
Broken Neck Creek Mine
Canyon Creek; Gold Creek Mine
Colorado Creek; Boulder Creek Mine
Crooked Creek Mine
Deep Creek Prospect
Deer Creek Prospect
Derwent Occurrences
Dome Creek Mine
Dome Creek Mine (tributary Of Washington Creek)
Eagle Bluff Prospect
Eagle Creek Prospects
Excelsior Creek; Twelvemile Creek Mine
Flanders Prospect
Flume Creek Mine
Flume Creek Prospect (lode)
Fourth Of July Creek; Bauer; Ellington; Fourth F Julys Co.; July Creek Mining Co.; July Creek Placer Co. Mines
Fox Creek Mine
Kill Zone 2 Prospect
Little Washington Creek; Washington Creek Mine
Lucky Gulch Mine
Mission Creek Mine
Mogul Bluff Prospect
Nugget Creek Mine
Nugget Creek Mines
Ole Creek Prospect
Placer Creek; Pleasant Creek Mine
Ptarmigan Hill Prospect
Rock Creek Mine
Seventymile River Mines
Sonickson Creek Mine
Surprise Creek Mines
Unnamed Occurrence (ARDF - EA031; On Calico Bluff)
Unnamed Prospect (ARDF - EA005; Near Granite Creek)
Washington Creek Mines
Wolf Creek Mine

Latitude: 64°55'50"N
Longitude: 141°56'51"W
Decimal Degree (lat, lon): 64.930555555556,-141.9475

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Feldspar	Malachite	Mica	Molybdenite	None
Not in a structural group	Pyrite	Quartz	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel

Albite ()*	Ankerite ()*	Arsenopyrite ()*	Azurite ()*	Bornite ()*
Calcite ()*	Cassiterite ()*	Chalcopyrite ()*	Chromite ()*	Cinnabar ()*
Dolomite ()*	Galena ()*	Gold ()*	Magnesite ()*	Malachite ()*
Molybdenite ()*	Muscovite ()*	Platinum ()*	Powellite ()*	Pyrite ()*
Quartz ()*	Scheelite ()*	Silver ()*	Sphalerite ()*

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: Ag Al As Au C Ca Cr Cu Fe H Hg K Mg Mo Na O Pb Pt S Si Sn W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clay Copper Feldspar Malachite Mica Molybdenite None
Not in a structural group Pyrite Quartz Rocksalt Rutile Scheelite Sphalerite Spinel

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	133796	8803
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	4	133778,133782,133796,133798	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	5	133778,133782,133796,133798,133808	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	2	133790,133793	5509
Bornite ()*	None	Cu₅FeS₄	1	133789	5516
Calcite ()*	Calcite	Ca(CO₃)	8	133778,133782,133788,133793,133796,133798,133801,133808	27770
Cassiterite ()*	Rutile	SnO₂	1	133800	5171
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	5	133789,133790,133793,133796,133816	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	133818	3902
Cinnabar ()*	None	HgS	1	133785	2600
Dolomite ()*	None	CaMg(CO₃)₂	4	133778,133782,133796,133798	9895
Galena ()*	Rocksalt	PbS	2	133787,133796	24243
Gold ()*	Copper	Au	37	133777,133778,133779,133780,133781,133782,133783,133784,133785,133786,133787,133788,133791,133792,133794,133795,133796,133797,133798,133799,133800,133801,133802,133803,133804,133805,133806,133807,133808,133809,133810,133811,133812,133813,133814,133817,133818	30554
Magnesite ()*	Calcite	Mg(CO₃)	1	133798	1487
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	133790,133793	12537
Molybdenite ()*	Molybdenite	MoS₂	2	133789,133816	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	4	133778,133782,133796,133798	17380
Platinum ()*	Copper	Pt	3	133779,133799,133803	485
Powellite ()*	Scheelite	Ca(MoO₄)	1	133789	494
Pyrite ()*	Pyrite	FeS₂	5	133778,133782,133796,133798,133808	39462
Quartz ()*	Quartz	SiO₂	10	133778,133782,133788,133793,133796,133798,133801,133808,133810,133816	61156
Scheelite ()*	Scheelite	Ca(WO₄)	2	133789,133816	4894
Silver ()*	Copper	Ag	3	133787,133799,133807	5186
Sphalerite ()*	Sphalerite	ZnS	2	133790,133796	21482

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...