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Fern Mine (Bartholf-Isaacs Mine; Marmot Mine), Willow Creek Mining District, Matanuska-Susitna Borough, Alaska, USAi
Regional Level Types
Fern Mine (Bartholf-Isaacs Mine; Marmot Mine)Mine
Willow Creek Mining DistrictMining District
Matanuska-Susitna BoroughBorough
AlaskaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
61° 49' 27'' North , 149° 14' 34'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Fishhook4,679 (2011)8.9km
Buffalo Soapstone855 (2011)14.2km
Farm Loop1,028 (2011)21.3km
Tanaina8,197 (2011)24.0km
Lakes8,364 (2011)24.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mat-Su Rock and Mineral ClubPalmer, Alaska26km
Mindat Locality ID:
107239
Long-form identifier:
mindat:1:2:107239:9
GUID (UUID V4):
0


Located at headwaters of Archangel Creek.
In production from 1919 to 1950,with 4000 feet of underground workings on 2 levels.
#4 producer of gold in district with 44,000 ounces.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Arsenopyrite
Formula: FeAsS
Cerussite
Formula: PbCO3
Galena
Formula: PbS
Kaolinite
Formula: Al2(Si2O5)(OH)4
'Limonite'
Malachite
Formula: Cu2(CO3)(OH)2
Nagyágite
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
Native Gold
Formula: Au
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Scheelite
Formula: Ca(WO4)
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Nagyágite2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
'Limonite'-

List of minerals for each chemical element

HHydrogen
H KaoliniteAl2(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CerussitePbCO3
O KaoliniteAl2(Si2O5)(OH)4
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O ScheeliteCa(WO4)
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si QuartzSiO2
SSulfur
S ArsenopyriteFeAsS
S GalenaPbS
S Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
S PyriteFeS2
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca ScheeliteCa(WO4)
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AsArsenic
As ArsenopyriteFeAsS
SbAntimony
Sb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Te Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
WTungsten
W ScheeliteCa(WO4)
AuGold
Au Native GoldAu
Au Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
PbLead
Pb CerussitePbCO3
Pb GalenaPbS
Pb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3

Other Databases

Link to USGS MRDS:10308765

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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