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Gold Bug Mine, Little Rockies District, Phillips Co., Montana, USAi
Regional Level Types
Gold Bug MineMine
Little Rockies DistrictMining District
Phillips Co.County
MontanaState
USACountry

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Latitude & Longitude (WGS84): 47° 54' 37'' North , 108° 37' 0'' West
Latitude & Longitude (decimal): 47.91028,-108.61667
GeoHash:G#: c8db83gc8
USGS MRDS Record:10071877
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Hays843 (2011)10.5km
Lodge Pole265 (2011)15.2km


REF:Deposit:: WEED, W. H. 1896, ORE DEPOSITS OF THE LITTLE ROCKY MOUNTAINS, MONTANA, THE ENGINEERING AND MINING JOURNAL, VOL 61, P. 423-424
Deposit:: DYSON, J.L., 1939, RUBY GULCH GOLD MINING DISTRICT, LITTLE ROCKY MOUNTAINS: ECON. GEOL., V. 34, NO. 2, P. 201-213
Deposit:: EMMONS, W.H., 1908, GOLD DEPOSITS OF THE LITTLE ROCKY MOUNTAINS, MONTANA: USGS BULL. 340, P. 96-116.
Deposit:: WEED, W. H. AND PIRSSON, L. V., 1896, GEOLOGY OF THE LITTLE ROCKY MOUNTAINS, JOURNAL OF GEOLOGY, VOL 4, P.
Commodities (Major) - Gold; (Minor) - Silver; (Trace) - Fluorine-Fluorite, Manganese, Iron
Development Status: Past Producer
Host Rock Unit: Flathead Ss, Upper Jefferson Dolomite, Big Horn Dolomite, Emerson Formation
Structure: Upwarping Of Sediments, Intrusion By Porphyry
Host Rock: Sedimentary Rock

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Gold
Formula: Au
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Hessite
Formula: Ag2Te
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sylvanite
Formula: (Au,Ag)2Te4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Hessite2.BA.60Ag2Te
Pyrite2.EB.05aFeS2
Sylvanite2.EA.05(Au,Ag)2Te4
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Sylvanite2.12.13.3(Au,Ag)2Te4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
OOxygen
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S PyriteFeS2
FeIron
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
AgSilver
Ag Sylvanite(Au,Ag)2Te4
Ag HessiteAg2Te
TeTellurium
Te Sylvanite(Au,Ag)2Te4
Te HessiteAg2Te
AuGold
Au GoldAu
Au Sylvanite(Au,Ag)2Te4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Tertiary
2.588 - 66 Ma



ID: 2956890
Syenite

Age: Cenozoic (2.588 - 66 Ma)

Comments: Original map source: Vuke, S.M., Porter, K.W., Lonn, J.D., and Lopez, D.A., 2007, Geologic Map of Montana - Compact Disc: Montana Bureau of Mines and Geology: Geologic Map 62-C, 73 p., 2 sheets, scale 1:500,000. This map was digitized in 2012 as a result of a contract betwe

Lithology: Major:{syenite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Permian - Devonian
251.902 - 419.2 Ma



ID: 3186268
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 419.2 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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