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:
Superior, Superior District, Pinal Co., Arizona, USA

Oldest recorded age at locality: 20.3
Youngest recorded age at locality: 17.3

mindat Locality ID: 274693
mindat URL: http://www.mindat.org/loc-274693.html

Tectonic Settings:

Total number of sublocalities beneath "Superior, Superior District, Pinal Co., Arizona, USA": 17
Total number of bottom-level sublocalities: 14

Number of Child Localities: 4
Child Localities:
Mary Ann Mine (Mary Ann Property; Mary T.; Harborlite Property; Harborlite Mills No. 1 & No. 2; Bowen Claims; Chemi-Cote; Old Cluff; Perlite Industries; Superior Mine; Chicago Pit; Superior Perlite)
Picketpost Mountain
Picketpost Mountain Area
Sleeping Beauty Peak Area

Latitude: 33°15'15"N
Longitude: 111°7'6"W
Decimal Degree (lat, lon): 33.254166666667,-111.11833333333

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.

Amorphous	Amphibole	Apatite	Calcite	Mordenite	None	Pyroxene	Scheelite

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 Cl Fe H K Mg Mo Na O Pb Si V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Apatite Calcite Mordenite None Pyroxene Scheelite

9 IMA Minerals at location:

Augite ()*	Calcite ()*	Cowlesite ()*	Magnesio-hornblende ()*	Mordenite ()*
Opal ()*	Shannonite ()*	Vanadinite ()*	Wulfenite ()*

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
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	146168	2060
Calcite ()*	Calcite	Ca(CO₃)			1	146169	27770
Cowlesite ()*	None	Ca(Al₂Si₃)O₁₀·5-6H₂O			1	146168	84
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂			1	146163	238
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O			1	146168	405
Opal ()*	Amorphous	SiO₂·nH₂O	20.3	17.3	1	146160	2994
Shannonite ()*	None	Pb₂O(CO₃)			1	146169	8
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl			1	146169	605
Wulfenite ()*	Scheelite	PbMoO₄			1	146169	1655

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_00000426	18.9	17.9	18.4±0.5	K-Ar				UAKA-65-11						52658	Picketpost Mountain, Superior, Superior District, Pinal Co., Arizona, USA	Picketpost Mountain	Shafiqullah et al. (1980)		AGSD12_201
	Giersdorf_00000427	20.3	17.3	18.8±1.5	K-Ar				UAKA-65-11						52658	Picketpost Mountain, Superior, Superior District, Pinal Co., Arizona, USA	Picketpost Mountain	Shafiqullah et al. (1980)		AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...