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:
Rico District (Pioneer District), Dolores Co., Colorado, USA

mindat Locality ID: 23922
mindat URL: http://www.mindat.org/loc-23922.html

Tectonic Settings:

Total number of sublocalities beneath "Rico District (Pioneer District), Dolores Co., Colorado, USA": 163
Total number of bottom-level sublocalities: 155

Number of Child Localities: 126
Child Localities:
Albion (Victoria)
Alleghany (San Juan National Forest)
Alma Mater Prospect (San Juan National Forest)
Argentine (San Juan National Forest)
Argonaut Mine
Badger No. 7 Claim
Badger Tunnel
Baer Tunnel
Belzora
Ben Group
Black Wonder Prospect (San Juan National Forest)
Blackhawk Mine (Black Hawk Mine)
Blaine Tunnel (Rico Argentine; San Juan National Forest)
Blue Bell
Boyles Brothers Drilling Prospect (San Juan National Forest)
Buckhorn Tunnel
Burns Group
Butler Group
C. H. C. Group (Princeton Mine; Ethlena; MS 6136; Princeton; MS 2258; Limestone; MS 6131; Crebec; MS 6130; Patented Claims: C. H. C.; MS 1040)
C.H.C. Hill
Caledonia (Rico)
California Mine (Nevada; Unpatented Claims: California; Green Mountain; P. B. King; Burlesque Queen)
Calumet
Christina Prospect (Christine)
Clan Campbell
Copper Claims (MRDS - 10117401)
Dolly (Dolly Tunnel)
Dolores River Placers (Gold Nugget Placer; MS 20784; Snyder Placer; B. & S. Placer; MS 20784)
Double Cross
Eagle Prospect
Eagle Tunnel
Eighty-Eight Tunnel
Eureka Occurrence
Expectation Mine (Edna; Babe; Thirteenth; Engel Mine; Mae No. 1; Rosemary; Aviator; Johnny Miller; Alf; Victor; Hornet; C. M. E.; Unpatented Claims: Expectation; V. J. K.)
Expectation Mountain
Fickle Goddess Tunnel
Flying Fish Prospect
Futura Prospect
Futurity Tunnel
Golden 1900 Prospect (Sunnyside)
Golden Fleece Prospect (New Year Mine)
Great Western Prospect
Group Tunnel (San Juan National Forest; Enterprize)
Hand-Out Occurrence (Hand Out)
Hess And Garren
Hicks Prospect
Hope And Cross Prospect
Horse Creek
Humboldt Tunnel (Rico Argentine)
Iron Dollar Prospect
Iron Giant Prospect (San Juan National Forest)
Iron Mine (Patented Claim: Iron Mine; MS 8758)
Iron Rod Mine
Isabella Shaft Prospect (Wakeman Tunnel)
Jack Wech Prospect
Jumbo No. 3 (Rico Argentine)
Key Group
Kite Tunnel Occurrence
Lackawanna Prospect
Larson
Last Chance Prospect
Laxey Prospect
Leila Davis
Lexington Tunnel
Logan Mine (Logan Group; Goliath; MS 19665; General O. O. Howard; MS 2478; General Sherman; MS 2477; General Sheridan; MS 2479; Patented Claims: General Logan; MS 2476; Little Casper; MS 19665)
Lower Bridal Veil Canyon Prospect
Lucky Boy
Lucky Pine
M.A.C. Prospect (Hoosier Girl)
Magnet Prospect
Marriage Stake
Mediterranean (Premier)
Mohawk
Montezuma Mine
N. A. Cowdrey Mine (Patented Claim: N.A. Cowdrey; MS 6317)
Nellie Bly (San Juan National Forest)
New Dawn Group
Newman Hill
Newman Mines (Patented Claims: Swansea; MS 434; Swansea; Klingender; And Chestnut Tunnels; Newman; MS 436a; Chestnut; MS 435)
Nigger Baby
Nutmeg Occurrence (Nut Meg)
Onamo Tunnel
Oro
Palmetto Group
Parson Mine
Potter Tunnel
Princeton
Ramco Claims
Rancroft
Rand
Resolute Mine (Unpatented Claims: Newman Group; Shehocton Group; New York Group)
Richmond
Rico
Rico Con Middle Tunnel (Rico Argentine; San Juan National Forest)
Rico Townsite
Roderick Dhu Prospect
San Juan Prospect
Sawyer Shaft
Silver Clad Mine
Silver Creek
Silver Glance (San Juan National Forest)
Silver Gulch
Silver Swan Mine (Wamba; MS 20620; Tango; Frances; Panama)
Skeptical
Song Bird Tunnel (Rico Argentine)
South Park Mine (Patented Claim: South Park; MS 1563)
St. Louis Tunnel (Rico Argentine)
Stephanite
Sunflower
Swickheimer Group
Telegraph
Telescope Mountain
Tomale
Union-Carbonate
Unknown Copper Occurrence (MRDS - 10167007)
Unknown Gold (MRDS - 10167074)
Unknown Lead Occurrence (MRDS - 10264203)
Unknown Lead Occurrence (MRDS - 10264351)
Unknown Molybdenum Occurrence (MRDS - 10239540)
Unnamed Silver (MRDS - 10166364)
Utah Claim
Van Winkle (San Juan National Forest)
What Cheer Mine
Whim
World's Fair (San Juan National Forest)
Zulu Chief Occurrence

Latitude: 37°41'51"N
Longitude: 108°2'11"W
Decimal Degree (lat, lon): 37.6975,-108.03638888889

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.

Acanthite	Allophane	Alunite	Amphibole	Andalusite	Aragonite	Argyrodite	Aubertite	Baryte	Beryl
Calcite	Cancrinite-sodalite	Chalcanthite	Chalcopyrite	Clay	Clinozoisite	Columbite	Copper	Corundum	Covellite
Devilline	Diaspore	Enargite	Epidote	Feldspar	Fluorite	Garnet	Gypsum	Kaolinite	Linarite
Malachite	Melanterite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Polybasite	Prehnite	Pyrite
Pyroxene	Quartz	Rhodonite	Rocksalt	Rutile	Scheelite	Sodalite	Sphalerite	Spinel	Stibnite
Sulphur	Tetradymite	Tetrahedrite	Topaz	Vesuvianite	Wollastonite	Wurtzite

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 Ba Be Bi Br C Ca Cl Cu F Fe Ge H K Mg Mn Mo Na O Pb S Sb Si Sr Te Ti U V W Zn

Elements from minerals reported directly at this locality: Al Ca Cu Fe H K Mg Mo O Pb S Si U V

Structural Groups for minerals in this locality:
Acanthite Allophane Alunite Amphibole Andalusite Aragonite Argyrodite Aubertite Baryte Beryl
Calcite Cancrinite-sodalite Chalcanthite Chalcopyrite Clay Clinozoisite Columbite Copper Corundum Covellite
Devilline Diaspore Enargite Epidote Feldspar Fluorite Garnet Gypsum Kaolinite Linarite
Malachite Melanterite Mica Molybdenite Nickeline None Not in a structural group Polybasite Prehnite Pyrite
Pyroxene Quartz Rhodonite Rocksalt Rutile Scheelite Sodalite Sphalerite Spinel Stibnite
Sulphur Tetradymite Tetrahedrite Topaz Vesuvianite Wollastonite Wurtzite

84 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Alabandite ()*	Albite ()*	Allophane ()*
Andalusite ()*	Andradite ()*	Anglesite ()*	Anhydrite ()*	Argyrodite ()*
Aurichalcite ()*	Baryte ()*	Bismuthinite ()*	Bornite ()*	Bromargyrite ()*
Calcite ()*	Carnotite ()*	Celestine ()*	Cerussite ()*	Chalcanthite ()*
Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Clinozoisite ()*	Copper ()*
Cordierite ()*	Cosalite ()*	Covellite ()*	Diaspore ()*	Diopside ()*
Dolomite ()*	Enargite ()*	Epidote ()*	Fluorite ()*	Freibergite ()*
Galena ()*	Gold ()*	Grossular ()*	Gypsum ()*	Helvine ()*
Hematite ()*	Hübnerite ()*	Hydrozincite ()*	Jarosite ()*	Kaolinite ()*
Linarite ()*	Magnetite ()*	Malachite ()*	Massicot ()*	Melanterite ()*
Molybdenite ()*	Muscovite ()*	Orthoclase ()*	Uranophane-β ()*	Pearceite ()*
Polybasite ()*	Prehnite ()*	Proustite ()*	Pyrargyrite ()*	Pyrite ()*
Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Rhodonite ()*
Roscoelite ()*	Rutile ()*	Sellaite ()*	Serpierite ()*	Siderite ()*
Silver ()*	Smithsonite ()*	Sphalerite ()*	Stephanite ()*	Sulphur ()*
Tennantite-(Fe) ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*	Topaz ()*	Tremolite ()*
Vesuvianite ()*	Wilcoxite ()*	Wollastonite ()*	Wulfenite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	5	187583,187613,187614,187620,187650	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	0		3419
Alabandite ()*	Rocksalt	MnS	2	187543,187650	312
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	187630	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	3	187583,187604,187614	470
Andalusite ()*	Andalusite	Al₂SiO₅	2	187532,187566	1310
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	0		1534
Anglesite ()*	Baryte	Pb(SO₄)	2	187543,187615	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	187652	1588
Argyrodite ()*	Argyrodite	Ag₈GeS₆	1	187563	62
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	1	187650	919
Baryte ()*	Baryte	Ba(SO₄)	5	187534,187561,187614,187629,187650	11547
Bismuthinite ()*	Stibnite	Bi₂S₃	1	187650	1935
Bornite ()*	None	Cu₅FeS₄	0		5516
Bromargyrite ()*	Rocksalt	AgBr	1	187583	227
Calcite ()*	Calcite	Ca(CO₃)	13	187534,187543,187563,187564,187614,187618,187619,187620,187638,187650,187652,187666,187670	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	0		1184
Celestine ()*	Baryte	Sr(SO₄)	1	187614	1252
Cerussite ()*	Aragonite	Pb(CO₃)	7	187543,187609,187615,187623,187667,187669,187670	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	1	187545	925
Chalcocite ()*	None	Cu₂S	2	187543,187650	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27	187526,187533,187542,187545,187555,187559,187563,187565,187566,187587,187599,187605,187609,187614,187615,187620,187622,187635,187638,187650,187651,187656,187659,187666,187669,187670,187681	27198
Chlorargyrite ()*	Rocksalt	AgCl	1	187583	1382
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	2	187650,187665	1025
Copper ()*	Copper	Cu	1	187547	3846
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	187566	1008
Cosalite ()*	None	Pb₂Bi₂S₅	1	187650	344
Covellite ()*	Covellite	CuS	1	187614	4165
Diaspore ()*	Diaspore	AlO(OH)	2	187545,187588	481
Diopside ()*	Pyroxene	CaMgSi₂O₆	0		4135
Dolomite ()*	None	CaMg(CO₃)₂	5	187609,187614,187620,187639,187660	9895
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	1	187582	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3	187609,187630,187638	8173
Fluorite ()*	Fluorite	CaF₂	10	187533,187540,187542,187588,187600,187616,187648,187650,187651,187660	9617
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	1	187681	663
Galena ()*	Rocksalt	PbS	21	187533,187543,187545,187561,187563,187580,187609,187614,187615,187618,187619,187620,187629,187638,187650,187666,187668,187669,187670,187680,187681	24243
Gold ()*	Copper	Au	11	187553,187561,187563,187564,187580,187582,187583,187614,187640,187650,187659	30554
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0		1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6	187541,187545,187600,187613,187614,187620	6890
Helvine ()*	Sodalite Cancrinite-sodalite	Be₃Mn²⁺₄(SiO₄)₃S	1	187650	237
Hematite ()*	Corundum	Fe₂O₃	1	187638	14640
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	1	187650	469
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	1	187650	1066
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	2	187541,187544	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5	187580,187582,187604,187614,187650	5591
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂	0		987
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	5	187534,187555,187566,187605,187650	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	187605,187614	12537
Massicot ()*	None	PbO	0		202
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	1	187545	915
Molybdenite ()*	Molybdenite	MoS₂	4	187580,187640,187652,187655	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	8	187532,187545,187582,187588,187600,187650,187651,187652	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	187652	2349
Uranophane-β ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1	187527	144
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]	1	187613	249
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	4	187563,187614,187619,187620	716
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	187622	1898
Proustite ()*	None	Ag₃AsS₃	1	187614	733
Pyrargyrite ()*	None	Ag₃SbS₃	2	187563,187614	1425
Pyrite ()*	Pyrite	FeS₂	35	187526,187534,187540,187542,187543,187544,187545,187561,187563,187564,187565,187566,187580,187582,187583,187587,187588,187599,187600,187609,187610,187614,187615,187620,187622,187629,187638,187639,187650,187653,187656,187665,187666,187670,187681	39462
Pyrolusite ()*	Rutile	MnO₂	1	187670	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	3	187534,187638,187650	9056
Quartz ()*	Quartz	SiO₂	31	187526,187534,187540,187542,187543,187547,187561,187563,187564,187565,187580,187582,187583,187587,187599,187600,187609,187610,187614,187615,187619,187620,187622,187629,187638,187650,187652,187660,187666,187670,187681	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	6	187599,187614,187618,187619,187620,187650	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	187614	969
Roscoelite ()*	Mica	KV³⁺₂(Si₃Al)O₁₀(OH)₂	1	187637	253
Rutile ()*	Rutile	TiO₂	1	187588	5614
Sellaite ()*	Rutile	MgF₂	1	187651	46
Serpierite ()*	Devilline	Ca(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O	1	187615	292
Siderite ()*	Calcite	Fe(CO₃)	3	187614,187620,187639	6417
Silver ()*	Copper	Ag	7	187553,187561,187583,187614,187620,187638,187650	5186
Smithsonite ()*	Calcite	Zn(CO₃)	2	187542,187650	2473
Sphalerite ()*	Sphalerite	ZnS	29	187526,187533,187540,187542,187545,187561,187562,187565,187566,187580,187587,187599,187600,187610,187614,187615,187620,187622,187629,187635,187638,187650,187656,187659,187660,187666,187670,187680,187681	21482
Stephanite ()*	None	Ag₅SbS₄	2	187614,187620	586
Sulphur ()*	Sulphur	S	1	187622	2045
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	1	187650	1803
Tetradymite ()*	Tetradymite	Bi₂Te₂S	1	187660	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	8	187559,187561,187580,187581,187582,187614,187620,187650	5317
Topaz ()*	Topaz	Al₂SiO₄F₂	4	187534,187545,187588,187650	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	187666	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	187638	1395
Wilcoxite ()*	Aubertite	MgAl(SO₄)₂F·17H₂O	1	187637	11
Wollastonite ()*	Wollastonite	CaSiO₃	1	187638	1247
Wulfenite ()*	Scheelite	PbMoO₄	0		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...