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:
Santa Cruz Deposit (Casa Grande Santa Cruz Deposit; Francisco Grande Deposit; Fanny-Granny Deposit; Franny-Granny Deposit; Casa Grande; Casa Grande West), Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA

Oldest recorded age at locality: 71
Youngest recorded age at locality: 65

mindat Locality ID: 53925
mindat URL: http://www.mindat.org/loc-53925.html

Tectonic Settings:

Total number of sublocalities beneath "Santa Cruz Deposit (Casa Grande Santa Cruz Deposit; Francisco Grande Deposit; Fanny-Granny Deposit; Franny-Granny Deposit; Casa Grande; Casa Grande West), Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°53'25"N
Longitude: 111°52'35"W
Decimal Degree (lat, lon): 32.890277777778,-111.87638888889

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	Atacamite	Chalcopyrite	Clay	Covellite	Mica	Molybdenite	None	Pyrite

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 Cl Cu Fe H K Mo O S Si

Elements from minerals reported directly at this locality: Al Cl Cu Fe H K Mo O S Si

Structural Groups for minerals in this locality:
Allophane Atacamite Chalcopyrite Clay Covellite Mica Molybdenite None Pyrite

9 IMA Minerals at location:

Atacamite ()*	Bornite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Covellite ()*	Molybdenite ()*	Muscovite ()*	Pyrite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	71	65	544
Bornite ()*	None	Cu₅FeS₄	71	65	5516
Chalcocite ()*	None	Cu₂S	71	65	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	71	65	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	71	65	3531
Covellite ()*	Covellite	CuS	71	65	4165
Molybdenite ()*	Molybdenite	MoS₂	71	65	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	71	65	17380
Pyrite ()*	Pyrite	FeS₂	71	65	39462

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-00116	71	65	71–65									Atacamite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Pyrite	Cu	53925	Santa Cruz Deposit (Casa Grande Santa Cruz Deposit; Francisco Grande Deposit; Fanny-Granny Deposit; Franny-Granny Deposit; Casa Grande; Casa Grande West), Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA	Casa Grande West	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...