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:
Kelvin, Riverside District, Pinal Co., Arizona, USA

Oldest recorded age at locality: 72
Youngest recorded age at locality: 59

mindat Locality ID: 206838
mindat URL: http://www.mindat.org/loc-206838.html

Tectonic Settings:

Total number of sublocalities beneath "Kelvin, Riverside District, Pinal Co., Arizona, USA": 16
Total number of bottom-level sublocalities: 15

Number of Child Localities: 12
Child Localities:
Dunham Mine (Dunham And Centipede Mine; Claim MS 1590)
Gila River-Hackberry Wash Confluence Area
Hull Claims
Kelvin Mine
Miller Property (Mascot Claim; Gila Development Co. Property; Cane Springs Properties)
Mineral Creek-Gila River Confluence Area
Palmer Property
Rare Metals Mine (Rare Metals Deposit)
Shorty Claims (Shorty Nos. 1; 2; & 4 Claims)
Unnamed Turquoise Occurrence
Wooley No. 1 Claim
Zelleweger Claim (Kelvin Prospect)

Latitude: 33°6'25"N
Longitude: 111°'9"W
Decimal Degree (lat, lon): 33.106944444444,-111.0025

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	Chalcanthite	Chalcopyrite	Clay	Copper	Corundum	Fluorite	Kaolinite	Malachite	Mica
Molybdenite	None	Orpiment	Pyrite	Turquoise

Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Clinoclase ()*
Copper ()*	Ferrimolybdite ()*	Gold ()*	Hematite ()*	Kaolinite ()*
Lindgrenite ()*	Malachite ()*	Molybdenite ()*	Muscovite ()*	Orpiment ()*
Pyrite ()*	Realgar ()*	Torbernite ()*	Turquoise ()*	Uraninite ()*

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 Au C Cu Fe H K Mo O P S Si U

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Chalcanthite Chalcopyrite Clay Copper Corundum Fluorite Kaolinite Malachite Mica
Molybdenite None Orpiment Pyrite Turquoise

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
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			1	146017	925
Chalcocite ()*	None	Cu₂S			1	146013	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			5	146008,146010,146013,146016,146017	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			6	146002,146010,146011,146013,146016,146017	3531
Clinoclase ()*	None	Cu₃(AsO₄)(OH)₃	72	59	1	146004	127
Copper ()*	Copper	Cu			1	146010	3846
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O			1	146013	345
Gold ()*	Copper	Au			2	146008,146011	30554
Hematite ()*	Corundum	Fe₂O₃			1	146017	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	146010	5591
Lindgrenite ()*	None	Cu₃(Mo⁶⁺O₄)₂(OH)₂	72	59	1	146004	21
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			6	146002,146010,146011,146013,146016,146017	12537
Molybdenite ()*	Molybdenite	MoS₂			2	146005,146013	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	146013	17380
Orpiment ()*	Orpiment	As₂S₃			1	146003	511
Pyrite ()*	Pyrite	FeS₂			1	146013	39462
Realgar ()*	None	AsS			1	146003	712
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O			1	146015	1059
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O			1	146015	484
Uraninite ()*	Fluorite	UO₂			1	146009	2718

1 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	Run 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
	Mo-00257	72	59		U-Th-Pb?, Pb-Pb?								Lindgrenite	Mo	50556	Hull Claims, Kelvin, Riverside District, Pinal Co., Arizona, USA	Ray Volcanics	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...