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:
Casa Grande, Pinal Co., Arizona, USA

Oldest recorded age at locality: 65
Youngest recorded age at locality: 61

mindat Locality ID: 278534
mindat URL: http://www.mindat.org/loc-278534.html

Tectonic Settings:

Total number of sublocalities beneath "Casa Grande, Pinal Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Sacaton Mine (Casa Grande Mine; ASARCO Sacaton Project)

Latitude: 32°57'37"N
Longitude: 111°48'46"W
Decimal Degree (lat, lon): 32.960277777778,-111.81277777778

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	Alunite	Atacamite	Brochantite	Chalcopyrite	Clay	Copper	Corundum	Covellite	Diaspore
Gypsum	Kaolinite	Malachite	Mica	Molybdenite	None	Not in a structural group	Pyrite	Sphalerite	Spinel

Alunite ()*	Anhydrite ()*	Antlerite ()*	Atacamite ()*	Azurite ()*
Bornite ()*	Brochantite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Copper ()*	Covellite ()*	Cuprite ()*	Eriochalcite ()*	Goethite ()*
Gold ()*	Gypsum ()*	Hematite ()*	Jarosite ()*	Kaolinite ()*
Magnetite ()*	Malachite ()*	Molybdenite ()*	Muscovite ()*	Pyrite ()*
Sphalerite ()*

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 Au C Ca Cl Cu Fe H K Mo O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Alunite Atacamite Brochantite Chalcopyrite Clay Copper Corundum Covellite Diaspore
Gypsum Kaolinite Malachite Mica Molybdenite None Not in a structural group Pyrite Sphalerite Spinel

26 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
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	65	61	1	145316	966
Anhydrite ()*	Not in a structural group	Ca(SO₄)	65	61	1	145316	1588
Antlerite ()*	Not in a structural group	Cu²⁺₃(SO₄)(OH)₄	65	61	1	145316	246
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	65	61	1	145316	544
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	65	61	1	145316	5509
Bornite ()*	None	Cu₅FeS₄	65	61	1	145316	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	65	61	1	145316	1633
Chalcocite ()*	None	Cu₂S	65	61	1	145316	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	65	61	1	145316	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	65	61	1	145316	3531
Copper ()*	Copper	Cu	65	61	1	145316	3846
Covellite ()*	Covellite	CuS	65	61	1	145316	4165
Cuprite ()*	Not in a structural group	Cu₂O	65	61	1	145316	2970
Eriochalcite ()*	None	CuCl₂·2H₂O	65	61	1	145316	13
Goethite ()*	Diaspore	FeO(OH)	65	61	1	145316	7437
Gold ()*	Copper	Au	65	61	1	145316	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	65	61	1	145316	6890
Hematite ()*	Corundum	Fe₂O₃	65	61	1	145316	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	65	61	1	145316	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	65	61	1	145316	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	65	61	1	145316	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	65	61	1	145316	12537
Molybdenite ()*	Molybdenite	MoS₂	65	61	1	145316	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	65	61	1	145316	17380
Pyrite ()*	Pyrite	FeS₂	65	61	1	145316	39462
Sphalerite ()*	Sphalerite	ZnS	65	61	1	145316	21482

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
	PorphCu-00114	65	61	65–61									Alunite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Jarosite, Kaolinite, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	53487	Sacaton Mine (Casa Grande Mine; ASARCO Sacaton Project), Casa Grande, Pinal Co., Arizona, USA	Sacaton	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...