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:
Kendall Mountain, Silverton, Animas District, San Juan Co., Colorado, USA

Oldest recorded age at locality: 380
Youngest recorded age at locality: 13

mindat Locality ID: 133332
mindat URL: http://www.mindat.org/loc-133332.html

Tectonic Settings:

Total number of sublocalities beneath "Kendall Mountain, Silverton, Animas District, San Juan Co., Colorado, USA": 14
Total number of bottom-level sublocalities: 14

Number of Child Localities: 14
Child Localities:
Argentine Mine
Clara Mine
Kendall Group
Lackawanna Mine (Osceola Mine)
Marcella Mine (Marcello Mine)
Mighty Monarch Occurrence
Mystery Group (Fairview; Champion Mine)
Scranton Mine
Unknown Limestone Occurrence [1]
Unknown Zinc Occurrence [1]
Unknown Zn Occurrence
Unknown Zn-Ag-Pb-Cu-Au Occurrence
Unknown Zn-Cu-Ag-Au-Pb Group
Unknown Zn-Pb-Cu-Au-Ag Occurrence [1]

Latitude: 37°47'48"N
Longitude: 107°38'51"W
Decimal Degree (lat, lon): 37.796666666667,-107.6475

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.

Amphibole	Atacamite	Baryte	Calcite	Chalcopyrite	Columbite	Copper	Fluorite	None	Not in a structural group
Olivine	Pyrite	Pyroxene	Quartz	Rocksalt	Sphalerite	Tetrahedrite	Vesuvianite	Wollastonite

Atacamite ()*	Azurite ()*	Baryte ()*	Calcite ()*	Chalcopyrite ()*
Diopside ()*	Fluorite ()*	Galena ()*	Hübnerite ()*	Monticellite ()*
Pyrite ()*	Quartz ()*	Rhodochrosite ()*	Siderite ()*	Silver ()*
Sphalerite ()*	Tetrahedrite-(Zn) ()*	Tremolite ()*	Vesuvianite ()*	Wollastonite ()*

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 Ba C Ca Cl Cu F Fe H Mg Mn Na O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality: C Cl Cu H O

Structural Groups for minerals in this locality:
Amphibole Atacamite Baryte Calcite Chalcopyrite Columbite Copper Fluorite None Not in a structural group
Olivine Pyrite Pyroxene Quartz Rocksalt Sphalerite Tetrahedrite Vesuvianite Wollastonite

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	26	13	0		544
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	26	13	0		5509
Baryte ()*	Baryte	Ba(SO₄)	26	13	2	196145,196148	11547
Calcite ()*	Calcite	Ca(CO₃)	26	13	1	196146	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	26	13	5	196143,196144,196145,196147,196149	27198
Diopside ()*	Pyroxene	CaMgSi₂O₆	26	13	1	196146	4135
Fluorite ()*	Fluorite	CaF₂	26	13	2	196143,196148	9617
Galena ()*	Rocksalt	PbS	26	13	6	196143,196144,196145,196147,196148,196149	24243
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	26	13	2	196143,196147	469
Monticellite ()*	Olivine	CaMg(SiO₄)	26	13	1	196146	153
Pyrite ()*	Pyrite	FeS₂	26	13	2	196144,196148	39462
Quartz ()*	Quartz	SiO₂	26	13	2	196145,196148	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	26	13	1	196148	1711
Siderite ()*	Calcite	Fe(CO₃)	26	13	1	196148	6417
Silver ()*	Copper	Ag	26	13	1	196148	5186
Sphalerite ()*	Sphalerite	ZnS	26	13	7	196143,196144,196145,196146,196147,196148,196149	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	26	13	1	196145	5317
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	26	13	1	196146	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	26	13	1	196146	1395
Wollastonite ()*	Wollastonite	CaSiO₃	26	13	1	196146	1247

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Jen_0001438	16.6	13	16.6-13		age of mineralization		scheelite		Yes	Scheelite			3663	Silverton, Animas District, San Juan Co., Colorado, USA	Silverton	Poulin et al. (2016)	10.3749/canmin.1500023	CM54_1147
Giersdorf_00000596	24	20	22±2	238U-206U			uraninite	K-172	Yes	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Happy Jack Mine	Miller et al. (1963)	10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2	GSAB74_609	Age given for U238-Pb206 analysis
Giersdorf_00000597	26	22	24±2	235U-207Pb			uraninite	K-172	Yes	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Happy Jack Mine	Miller et al. (1963)	10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2	GSAB74_609	Age given for U235-Pb207 analysis
Giersdorf_00000598	380	280	330±50	207Pb-206Pb	The Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methods	low	uraninite	K-172	Yes	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Happy Jack Mine	Miller et al. (1963)	10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2	GSAB74_609	Age given for Pb207-Pb206 analysis

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...