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:
Willow Creek District, Matanuska-Susitna Borough, Alaska, USA

mindat Locality ID: 130559
mindat URL: http://www.mindat.org/loc-130559.html

Tectonic Settings:

Total number of sublocalities beneath "Willow Creek District, Matanuska-Susitna Borough, Alaska, USA": 94
Total number of bottom-level sublocalities: 94

Number of Child Localities: 94
Child Localities:
Alfred Creek; Alaska Gold Mining. Co.; Caribou Creek Mine
Arch; Prospect (Fern; Taulman & Goodell; Sidney Ridge Property)
Archangel; Le Roi Mining Co.; Alaska-Willow Creek Prospect
Bailey Prospect
Black Prospect
Blue Quartz Mining Co. Prospect
Bluebird Prospect
Boedeker; Boedaker Prospect
Chickaloon River Occurrence
Comeback; Gray Eagle Prospect
Craigie Creek Occurrence
Curry; Mile 247 Occurrence
Dixie; Galena-Gold Prospect
Eldorado; Alaska Free Gold Mining Co. Mine
Fern Mine (Bartholf-Isaacs Mine; Marmot Mine)
Fishhook Creek Prospect
Giant Gold Mining Company Prospect
Gold Bullion Mine
Gold Cord Mine
Gold King; Leona; Brassel Bros. Prospects
Gold Quartz; Alaska Quartz; Hilltoro Prospect
Golden Light Mine
Golden Top; Gold Top; Gold Top Mining Co; Kempf Prospect
Good Hope Prospect
Grubstake Gulch And Willow Creek Area Mine
Gunsite Prospect
Hatcher Creek Occurrence
High Grade; Kloss And Associates; Kloss And Snider Mine
Holland; Little Willie; Bronson And France Prospect
Homebuilder; McCoy; Babcock-McCoy; Idamar Prospect
Homesteader-Martha Prospect
Horn Mountain Occurrence
Independence Mine
Jap Mine
Kashwitna River Occurrences
Kelly-Willow; Gold Center; Brooklyn Development Co.; Brooklyn-Willow Creek Gold Mining Co. Prospect
Keystone Prospect
Kings River Occurrence
Lane; Anchorage Gold Mines Co.; Glaciers Prospect
Little Gem Prospect (Hatcher)
Little Susitna River Occurrence
Little Willow Creek Occurrence
Lone Tree Gulch Occurrence
Lonesome; Gold Mint; Kelly Gold Mint; Hatcher Mine
Lucky Shot Mine
Lucky Shot; Willow Creek Mines Inc. Mine
Lydell Prospect
Mabel Mine
Mammoth Prospect
Marion Twin Mine
Marshall Creek Occurrence
Martin Mine
Mary Ann Prospect
Matanuska River Occurrence
Maverick Prospect
Mazuma Creek; Caribou Creek Mine
Miller Prospect
Mogul Prospect
Mohawk Prospect
Montana; Montana Bog Iron Occurrence
Moose Creek; Northwestern Prospect
Mount Goldie Occurrence
Nugget; Willow Creek Mines Co. Prospect
Opal Prospect
Panhandle Prospect
Peters Creek; Peterson Creek Occurrence
Purches Creek; Purchase Creek Occurrence
Rae-Wallace; Alaska Free Gold Mining Co.; Rosenthal Mine
Rae; San Juan; Jennings Group Prospect
Rainbow Prospect
Reed Creek Prospect
Rusaw Creek Occurrence
Rutland Prospect
Ryan Prospect
Schoonoven Creek; Boulder Creek Occurrence
Schroff-O'Neil; Newman And Miller; Miller-Newman Mine
Sheep Mountain Mine
Smith And Sutherland; Smith-Sargent Prospect (?)
Smith Prospect
Snowbird; Snow King; Sherry Mine
Stiles; Styles; Shough Prospect
Talkeetna; Matanuska Gold Mining Company; Talkeetna Mining Company; Consolidated Mining Company; Fern Gold Mining Co. Mine
Thorpe Mine
Unnamed Occurrence (ARDF - AN073)
Unnamed Occurrence (ARDF - AN086)
Unnamed Occurrence (ARDF - TK125; Northeast Of Upper Sheep Creek)
Unnamed Occurrence (ARDF - TK133; Little Nelchina North)
Unnamed Occurrence (ARDF - TL014)
Upper Willow Creek Occurrence
War Baby Mine
Webfoot; Reed And Fiske; Grimes Prospect
Wet Gulch Prospect
Wheeler; Betts And Dimmick Prospect
Wolverine Prospect

Latitude: 61°52'17"N
Longitude: 149°9'23"W
Decimal Degree (lat, lon): 61.871388888889,-149.15638888889

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.

Aragonite	Arsenopyrite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Covellite	Epidote
Feldspar	Gypsum	Kaolinite	Malachite	Mica	Molybdenite	Mordenite	Nickeline	None	Not in a structural group
Pyrite	Quartz	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel	Talc	Tetrahedrite	Zircon

Altaite ()*	Ankerite ()*	Arsenopyrite ()*	Azurite ()*	Bornite ()*
Calcite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*
Cinnabar ()*	Coloradoite ()*	Copper ()*	Covellite ()*	Epidote ()*
Galena ()*	Gold ()*	Gypsum ()*	Hematite ()*	Kaolinite ()*
Laumontite ()*	Magnetite ()*	Malachite ()*	Molybdenite ()*	Mordenite ()*
Muscovite ()*	Nagyágite ()*	Nickel ()*	Orthoclase ()*	Platinum ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*	Scheelite ()*
Silver ()*	Sphalerite ()*	Talc ()*	Tetrahedrite-(Zn) ()*	Zircon ()*

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 Ni O Pb Pt S Sb Si Te Ti W Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Arsenopyrite Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Covellite Epidote
Feldspar Gypsum Kaolinite Malachite Mica Molybdenite Mordenite Nickeline None Not in a structural group
Pyrite Quartz Rocksalt Rutile Scheelite Sphalerite Spinel Talc Tetrahedrite Zircon

40 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Altaite ()*	Rocksalt	PbTe	2	131401,131433	489
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3	131372,131376,131385	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	10	131365,131372,131376,131390,131402,131403,131405,131416,131425,131451	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	5	131375,131376,131390,131434,131438	5509
Bornite ()*	None	Cu₅FeS₄	9	131361,131370,131383,131386,131392,131399,131423,131434,131451	5516
Calcite ()*	Calcite	Ca(CO₃)	3	131376,131390,131434	27770
Cerussite ()*	Aragonite	Pb(CO₃)	4	131372,131390,131402,131409	4979
Chalcocite ()*	None	Cu₂S	4	131392,131399,131434,131438	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	30	131361,131363,131370,131375,131376,131383,131386,131390,131392,131395,131398,131401,131402,131403,131405,131406,131407,131409,131412,131418,131423,131424,131426,131428,131429,131433,131434,131443,131446,131451	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	131442	3902
Cinnabar ()*	None	HgS	1	131375	2600
Coloradoite ()*	Sphalerite	HgTe	1	131433	169
Copper ()*	Copper	Cu	2	131400,131418	3846
Covellite ()*	Covellite	CuS	1	131361	4165
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	131434	8173
Galena ()*	Rocksalt	PbS	14	131365,131370,131372,131376,131386,131390,131402,131403,131405,131407,131409,131426,131433,131438	24243
Gold ()*	Copper	Au	62	131358,131359,131360,131363,131364,131365,131366,131367,131370,131371,131372,131373,131377,131378,131380,131381,131382,131384,131385,131386,131387,131390,131391,131392,131393,131396,131397,131401,131402,131403,131405,131406,131407,131408,131409,131411,131412,131413,131415,131416,131418,131419,131421,131422,131423,131424,131425,131426,131432,131433,131436,131437,131438,131439,131440,131445,131446,131447,131448,131449,131450,131451	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	131434	6890
Hematite ()*	Corundum	Fe₂O₃	1	131450	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	2	131372,131434	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	131389	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	5	131368,131398,131418,131429,131444	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	8	131372,131376,131390,131395,131402,131434,131443,131448	12537
Molybdenite ()*	Molybdenite	MoS₂	7	131361,131368,131369,131390,131405,131428,131439	5800
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	1	131389	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5	131365,131370,131376,131390,131434	17380
Nagyágite ()*	None	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃	4	131372,131390,131401,131433	67
Nickel ()*	Copper	Ni	1	131418	57
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2	131363,131370	2349
Platinum ()*	Copper	Pt	1	131358	485
Pyrite ()*	Pyrite	FeS₂	34	131361,131363,131365,131368,131370,131372,131375,131376,131387,131390,131392,131393,131396,131398,131401,131402,131403,131405,131406,131409,131412,131414,131418,131421,131424,131425,131426,131433,131434,131439,131443,131447,131450,131451	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	131418	9056
Quartz ()*	Quartz	SiO₂	66	131359,131360,131362,131363,131364,131365,131366,131367,131369,131370,131371,131372,131374,131375,131376,131377,131378,131379,131380,131381,131383,131385,131386,131387,131388,131390,131391,131392,131393,131394,131396,131397,131401,131402,131403,131404,131405,131406,131407,131409,131410,131412,131414,131415,131416,131421,131422,131423,131424,131425,131426,131427,131430,131431,131433,131434,131436,131437,131438,131439,131440,131443,131447,131448,131450,131451	61156
Rutile ()*	Rutile	TiO₂	1	131390	5614
Scheelite ()*	Scheelite	Ca(WO₄)	7	131368,131372,131376,131382,131390,131398,131428	4894
Silver ()*	Copper	Ag	3	131418,131424,131440	5186
Sphalerite ()*	Sphalerite	ZnS	7	131376,131390,131402,131403,131405,131418,131433	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	131441	3337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	8	131363,131372,131376,131390,131402,131403,131405,131433	5317
Zircon ()*	Zircon	Zr(SiO₄)	1	131368	5251

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...