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:
Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA

Oldest recorded age at locality: 62
Youngest recorded age at locality: 7.48

mindat Locality ID: 52775
mindat URL: http://www.mindat.org/loc-52775.html

Tectonic Settings:

Total number of sublocalities beneath "Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 33°3'40"N
Longitude: 111°24'32"W
Decimal Degree (lat, lon): 33.061111111111,-111.40888888889

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	Brochantite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Covellite	Epidote	Kaolinite
Mica	Molybdenite	None	Not in a structural group	Pyrite	Rocksalt	Rutile	Smectite-vermiculite	Sphalerite	Spinel

Allophane ()*	Azurite ()*	Bornite ()*	Brochantite ()*	Chalcocite ()*
Chalcopyrite ()*	Chrysocolla ()*	Copper ()*	Covellite ()*	Cuprite ()*
Epidote ()*	Galena ()*	Kaolinite ()*	Magnetite ()*	Molybdenite ()*
Montmorillonite ()*	Muscovite ()*	Pyrite ()*	Rutile ()*	Shattuckite ()*
Siderite ()*	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 C Ca Cu Fe H K Mg Mo Na O Pb S Si Ti Zn

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg Mo Na O Pb S Si Ti Zn

Structural Groups for minerals in this locality:
Allophane Brochantite Calcite Chalcopyrite Clay Clinozoisite Copper Covellite Epidote Kaolinite
Mica Molybdenite None Not in a structural group Pyrite Rocksalt Rutile Smectite-vermiculite Sphalerite Spinel

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	62	62	470
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	62	62	5509
Bornite ()*	None	Cu₅FeS₄	62	62	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	62	62	1633
Chalcocite ()*	None	Cu₂S	62	62	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	62	62	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	62	62	3531
Copper ()*	Copper	Cu	62	62	3846
Covellite ()*	Covellite	CuS	62	62	4165
Cuprite ()*	Not in a structural group	Cu₂O	62	62	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	62	62	8173
Galena ()*	Rocksalt	PbS	62	62	24243
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	62	7.48	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	62	62	14899
Molybdenite ()*	Molybdenite	MoS₂	62	62	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	62	62	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	62	7.48	17380
Pyrite ()*	Pyrite	FeS₂	62	62	39462
Rutile ()*	Rutile	TiO₂	62	62	5614
Shattuckite ()*	None	Cu₅(SiO₃)₄(OH)₂	62	62	71
Siderite ()*	Calcite	Fe(CO₃)	62	62	6417
Sphalerite ()*	Sphalerite	ZnS	62	62	21482

2 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
	Giersdorf_00000470	8.76	7.48	8.12±0.64	K-Ar				UAKA-72-20						52775	Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA	Poston Butte	Shafiqullah et al. (1980)		AGSD12_201
	PorphCu-00112	62	62	62									Allophane, Azurite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Epidote, Galena, Magnetite, Molybdenite, Montmorillonite, Pyrite, Rutile, Shattuckite, Siderite, Sphalerite	Cu	52775	Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA	Poston Butte	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...