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:
Thomas Range, Juab Co., Utah, USA

Oldest recorded age at locality: 42
Youngest recorded age at locality: 6

mindat Locality ID: 4154
mindat URL: http://www.mindat.org/loc-4154.html

Tectonic Settings:

Total number of sublocalities beneath "Thomas Range, Juab Co., Utah, USA": 74
Total number of bottom-level sublocalities: 70

Number of Child Localities: 17
Child Localities:
Antelope Ridge
Buena No. 1 Claim
Butterscotch Jasper Pit
Cubic Claim
Durangite Locality
Eagles Nest Claim
Garnet Basin
Good Will Group (Yellow Chief Group)
Lookout Prospect
Maynard's Claim (Pismire Knolls)
Mile High Claim
Solar Wind Claim
Spor Mountain
Starvation Canyon (Searles Canyon)
Topaz Mountain
Wild Horse Springs (Wildhorse Springs)
Yellow Chief Group

Latitude: 39°42'42"N
Longitude: 113°8'14"W
Decimal Degree (lat, lon): 39.711666666667,-113.13722222222

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.

Alunite	Amorphous	Apatite	Beryl	Bixbyite	Calcite	Chalcopyrite	Clay	Corundum	Cristobalite
Feldspar	Fluorite	Garnet	Kaolinite	Malachite	Mica	None	Not in a structural group	Perovskite	Pseudobrookite
Pyrite	Pyrochlore	Quartz	Rutile	Smectite-vermiculite	Spinel	Titanite	Topaz	Tridymite	Zircon

Almandine ()*	Bertrandite ()*	Beryl ()*	Beudantite ()*	Bixbyite ()*
Calcite ()*	Carnotite ()*	Cassiterite ()*	Cerianite-(Ce) ()*	Chalcopyrite ()*
Cristobalite ()*	Dioptase ()*	Dolomite ()*	Durangite ()*	Fluorite ()*
Hectorite ()*	Hematite ()*	Holfertite ()*	Hydrokenoralstonite ()*	Ilmenite ()*
Kaolinite ()*	Magnetite ()*	Malachite ()*	Mimetite ()*	Montmorillonite ()*
Muscovite ()*	Opal ()*	Uranophane-β ()*	Pseudobrookite ()*	Pyrite ()*
Pyrolusite ()*	Quartz ()*	Rutile ()*	Sanidine ()*	Saponite ()*
Schröckingerite ()*	Spessartine ()*	Thorite ()*	Topaz ()*	Tridymite ()*
Uraninite ()*	Uranophane-α ()*	Weeksite ()*	Wickmanite ()*	Zircon ()*

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: Al As Be C Ca Ce Cl Cu F Fe H K Li Mg Mn Na O Pb S Si Sn Th Ti U V Zr

Elements from minerals reported directly at this locality: Al As Cl Cu F Fe H Mn O Pb S Si Sn U

Structural Groups for minerals in this locality:
Alunite Amorphous Apatite Beryl Bixbyite Calcite Chalcopyrite Clay Corundum Cristobalite
Feldspar Fluorite Garnet Kaolinite Malachite Mica None Not in a structural group Perovskite Pseudobrookite
Pyrite Pyrochlore Quartz Rutile Smectite-vermiculite Spinel Titanite Topaz Tridymite Zircon

45 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
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	274544	2353
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	42	6	23	274490,274494,274495,274496,274500,274508,274509,274510,274512,274513,274514,274515,274517,274519,274520,274528,274529,274531,274532,274533,274535,274536,274537	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	42	6	8	274487,274489,274541,274542,274543,274544,274548,274550	4286
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆	42	6	0		413
Bixbyite ()*	Bixbyite	Mn³⁺₂O₃			6	274481,274487,274489,274543,274544,274548	104
Calcite ()*	Calcite	Ca(CO₃)	42	6	12	274484,274487,274493,274500,274503,274506,274518,274537,274543,274544,274545,274548	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	42	6	23	274491,274493,274495,274499,274500,274503,274506,274508,274509,274510,274511,274512,274513,274514,274517,274518,274519,274521,274523,274524,274528,274537,274544	1184
Cassiterite ()*	Rutile	SnO₂			2	274482,274486	5171
Cerianite-(Ce) ()*	Fluorite	CeO₂			1	274543	94
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	7	6	1	274491	27198
Cristobalite ()*	Cristobalite	SiO₂	42	6	1	274535	453
Dioptase ()*	None	CuSiO₃·H₂O	7	6	0		164
Dolomite ()*	None	CaMg(CO₃)₂	42	6	6	274508,274509,274510,274512,274513,274530	9895
Durangite ()*	Titanite	NaAl(AsO₄)F			1	274482	6
Fluorite ()*	Fluorite	CaF₂	42	6	48	274479,274484,274485,274487,274489,274490,274491,274493,274494,274495,274496,274498,274499,274500,274503,274505,274506,274507,274508,274509,274510,274511,274512,274513,274514,274515,274517,274518,274519,274520,274521,274523,274524,274528,274529,274531,274532,274533,274535,274536,274537,274538,274543,274544,274545,274548,274550,274551	9617
Hectorite ()*	Clay	Na_0.3(Mg,Li)₃Si₄O₁₀(F,OH)₂·nH₂O	42	6	1	274490	19
Hematite ()*	Corundum	Fe₂O₃	42	6	12	274482,274484,274486,274487,274489,274491,274493,274506,274542,274543,274544,274548	14640
Holfertite ()*	None	(UO₂)_1.75Ca_0.25TiO₄·3H₂O			5	274487,274542,274543,274544,274548	3
Hydrokenoralstonite ()*	Pyrochlore	₂Al₂F₆(H₂O)	42	6	0		56
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			2	274484,274548	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	42	6	1	274498	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	42	6	1	274491	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	7	6	1	274503	12537
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl	42	6	0		1107
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	42	6	16	274491,274493,274494,274496,274499,274503,274507,274511,274514,274515,274518,274520,274529,274531,274533,274536	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	42	6	1	274498	17380
Opal ()*	Amorphous	SiO₂·nH₂O	42	6	8	274479,274484,274490,274528,274543,274544,274545,274548	2994
Uranophane-β ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	42	6	3	274485,274490,274551	144
Pseudobrookite ()*	Pseudobrookite	(Fe³⁺₂Ti)O₅			8	274481,274486,274487,274489,274542,274543,274544,274548	164
Pyrite ()*	Pyrite	FeS₂	42	6	1	274491	39462
Pyrolusite ()*	Rutile	MnO₂	7	6	1	274511	3106
Quartz ()*	Quartz	SiO₂	42	6	33	274483,274484,274486,274487,274490,274491,274493,274494,274496,274498,274499,274500,274505,274511,274512,274515,274517,274519,274520,274521,274524,274528,274529,274531,274533,274535,274536,274542,274543,274544,274545,274548,274549	61156
Rutile ()*	Rutile	TiO₂			2	274543,274548	5614
Sanidine ()*	Feldspar	K(AlSi₃O₈)	42	6	7	274486,274487,274489,274505,274544,274545,274548	598
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	42	6	1	274535	301
Schröckingerite ()*	None	NaCa₃(UO₂)(SO₄)(CO₃)₃F·10H₂O			3	274485,274544,274551	128
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			2	274489,274544	1214
Thorite ()*	Zircon	Th(SiO₄)			2	274483,274486	1006
Topaz ()*	Topaz	Al₂SiO₄F₂	42	6	12	274482,274484,274486,274487,274488,274489,274499,274542,274543,274544,274548,274550	1476
Tridymite ()*	Tridymite	SiO₂	42	6	0		458
Uraninite ()*	Fluorite	UO₂	42	6	0		2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	42	6	4	274485,274532,274544,274551	890
Weeksite ()*	None	(K)₂(UO₂)₂(Si₅O₁₃)·4H₂O	42	6	5	274485,274490,274544,274545,274551	42
Wickmanite ()*	Perovskite	Mn²⁺Sn⁴⁺(OH)₆	7	6	0		24
Zircon ()*	Zircon	Zr(SiO₄)			2	274483,274486	5251

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Scott-EPSL46_221-0001	42	39	42-39	Fission Track	Age of deposition		37506	Spor Mountain, Thomas Range, Juab Co., Utah, USA	Spor Mountain	Ludwig et al. (1980)	10.1016/0012-821X(80)90008-4	EPSL46_221	P. 222: "Lava flows, breccias, and tufts of rhyodacite to quartz latite composition were erupted from small central volcanoes and possibly from fissures 42-39 m.y. ago"
Scott-EPSL46_221-0002	38	37	38-37	Fission Track	Age of deposition		37506	Spor Mountain, Thomas Range, Juab Co., Utah, USA	Spor Mountain	Ludwig et al. (1980)	10.1016/0012-821X(80)90008-4	EPSL46_221	P. 222 "Eruption of rhyolitic Joy Tuff 38-37 m.y. ago was accompanied by collapse of the Dugway Valley cauldron followed by eruption of the Dell Tuff 32 m.y. ago"
Scott-EPSL46_221-0003	32	32	32	Fission Track	Age of deposition		37506	Spor Mountain, Thomas Range, Juab Co., Utah, USA	Spor Mountain	Ludwig et al. (1980)	10.1016/0012-821X(80)90008-4	EPSL46_221	P.222 "...followed by eruption of the Dell Tuff 32 m.y. ago"
Scott-EPSL46_221-0004	21	21	21	Fission Track	Age of deposition		37506	Spor Mountain, Thomas Range, Juab Co., Utah, USA	Spor Mountain	Ludwig et al. (1980)	10.1016/0012-821X(80)90008-4	EPSL46_221	P. 222 "Eruption of alkali rhyolite tuff and lava of the Spor Mountain Formation 21 m.y. ago"
Scott-EPSL46_221-0005	7	6	7-6	Fission Track	Age of deposition	Cu, Au, Mn	37506	Spor Mountain, Thomas Range, Juab Co., Utah, USA	Spor Mountain	Ludwig et al. (1980)	10.1016/0012-821X(80)90008-4	EPSL46_221	P. 222 " Eruption of alkali rhyolite tuff and lava of the Spor Mountain Formation 21 m.y. ago and the Topaz Mountain Rhyolite 7-6 m.y. ago"

Sample	Source Locality	Reference URL
R050395	Thomas Range, Juab Co., Utah, USA	https://rruff.info/R050395
R050563	Thomas Range, Juab Co., Utah, USA	https://rruff.info/R050563
R060889	Northend Claim, Spor Mountain, Thomas Range, Juab Co., Utah, USA	https://rruff.info/R060889
R060595	Starvation Canyon (Searles Canyon), Thomas Range, Juab Co., Utah, USA	https://rruff.info/R060595

All locality data graciously provided by mindat.org

All age data...