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:
Junction District (Little Eightmile District), Lemhi Co., Idaho, USA

mindat Locality ID: 39590
mindat URL: http://www.mindat.org/loc-39590.html

Tectonic Settings:

Total number of sublocalities beneath "Junction District (Little Eightmile District), Lemhi Co., Idaho, USA": 24
Total number of bottom-level sublocalities: 24

Number of Child Localities: 24
Child Localities:
Baby Joe (Brown Bull No. 2)
Blue Lead Prospect (Davidson Prospect)
Buckhorn Mine
Commodore Mine
Copper Carbonate
Elmira Mine
General McArthur Claim
Grizzly Hill
Iron Dyke Claim
Jewel Consolidated Company Occurrence
Kimmel Mine
Last Chance Claim
Lead Queen Claim
Maryland Mine
Mineral Hill Mine
Mineral Hill Prospect (Bob Detton Prospect)
New Eldorado Claims (Jakes Creek Copper Prospects)
Old More Shaft Prospect
Peacock Prospect
Plymouth Mine (Digmore Mine)
Ramshorn
Silver Bell
Sunset Mine (Leadville Mine)
Unnamed Lead Location (MRDS - 10168794)

Latitude: 44°44'32"N
Longitude: 113°22'4"W
Decimal Degree (lat, lon): 44.742222222222,-113.36777777778

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.

Allophane	Aragonite	Arsenic	Arsenopyrite	Baryte	Brochantite	Calcite	Chalcopyrite	Clay	Copper
Corundum	Cyanotrichite	Epsomite	Gypsum	Malachite	None	Not in a structural group	Pyrite	Quartz	Rocksalt
Rutile	Scheelite	Sepiolite	Sphalerite	Stibnite	Sulphur	Volborthite

Allophane ()*	Anglesite ()*	Anhydrite ()*	Antimony ()*	Arsenic ()*
Arsenopyrite ()*	Azurite ()*	Bismuth ()*	Boulangerite ()*	Brochantite ()*
Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Cuprite ()*	Cyanotrichite ()*
Epsomite ()*	Felsőbányaite ()*	Galena ()*	Gypsum ()*	Hematite ()*
Jamesonite ()*	Malachite ()*	Pyrargyrite ()*	Pyrite ()*	Pyrolusite ()*
Quartz ()*	Sepiolite ()*	Siderite ()*	Silver ()*	Smithsonite ()*
Sphalerite ()*	Stibnite ()*	Sulphur ()*	Volborthite ()*	Wulfenite ()*

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 Bi C Ca Cu Fe H Mg Mn Mo O Pb S Sb Si V Zn

Elements from minerals reported directly at this locality: Ag Al Ca H Mg O S Si

Structural Groups for minerals in this locality:
Allophane Aragonite Arsenic Arsenopyrite Baryte Brochantite Calcite Chalcopyrite Clay Copper
Corundum Cyanotrichite Epsomite Gypsum Malachite None Not in a structural group Pyrite Quartz Rocksalt
Rutile Scheelite Sepiolite Sphalerite Stibnite Sulphur Volborthite

35 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	0		470
Anglesite ()*	Baryte	Pb(SO₄)	5	209752,209753,209756,209764,209773	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	209753	1588
Antimony ()*	Arsenic	Sb	1	209773	363
Arsenic ()*	Arsenic	As	1	209773	379
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	209753	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	209759	5509
Bismuth ()*	Arsenic	Bi	1	209773	1966
Boulangerite ()*	None	Pb₅Sb₄S₁₁	1	209753	843
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1	209759	1633
Calcite ()*	Calcite	Ca(CO₃)	3	209753,209756,209764	27770
Cerussite ()*	Aragonite	Pb(CO₃)	2	209753,209764	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	209753,209773	27198
Cuprite ()*	Not in a structural group	Cu₂O	1	209759	2970
Cyanotrichite ()*	Cyanotrichite	Cu₄Al₂(SO₄)(OH)₁₂(H₂O)₂	1	209759	179
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	1	209753	484
Felsőbányaite ()*	None	Al₄(SO₄)(OH)₁₀·4H₂O	1	209753	66
Galena ()*	Rocksalt	PbS	5	209752,209753,209764,209765,209773	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0		6890
Hematite ()*	Corundum	Fe₂O₃	1	209764	14640
Jamesonite ()*	None	Pb₄FeSb₆S₁₄	1	209753	784
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	209759	12537
Pyrargyrite ()*	None	Ag₃SbS₃	1	209753	1425
Pyrite ()*	Pyrite	FeS₂	3	209753,209764,209773	39462
Pyrolusite ()*	Rutile	MnO₂	3	209753,209756,209764	3106
Quartz ()*	Quartz	SiO₂	4	209752,209753,209759,209764	61156
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	0		241
Siderite ()*	Calcite	Fe(CO₃)	2	209753,209764	6417
Silver ()*	Copper	Ag	0		5186
Smithsonite ()*	Calcite	Zn(CO₃)	3	209753,209756,209764	2473
Sphalerite ()*	Sphalerite	ZnS	3	209753,209764,209773	21482
Stibnite ()*	Stibnite	Sb₂S₃	1	209753	3418
Sulphur ()*	Sulphur	S	0		2045
Volborthite ()*	Volborthite	Cu₃V₂O₇(OH)₂·2H₂O	1	209759	155
Wulfenite ()*	Scheelite	PbMoO₄	2	209753,209764	1655

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...