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:
Horseshoe Dam Area (Horseshoe Dam Clinoptilolite Occurrence), Maricopa Co., Arizona, USA

mindat Locality ID: 7699
mindat URL: http://www.mindat.org/loc-7699.html

Tectonic Settings:

Total number of sublocalities beneath "Horseshoe Dam Area (Horseshoe Dam Clinoptilolite Occurrence), Maricopa Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 33°57'41"N
Longitude: 111°42'25"W
Decimal Degree (lat, lon): 33.961388888889,-111.70694444444

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.

Analcime	Apophyllite	Calcite	Chabazite	Clay	Erionite	Gyrolite	Harmotome	Heulandite	Natrolite
None	Not in a structural group	Smectite-vermiculite

Analcime ()*	Calcite ()*	Chabazite-Na ()*	Erionite-K ()*	Gyrolite ()*
Heulandite-K ()*	Hydroxyapophyllite-(K) ()*	Natrolite ()*	Offretite ()*	Okenite ()*
Phillipsite-K ()*	Saponite ()*

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 F Fe H K Mg Na O Si

Elements from minerals reported directly at this locality: Al C Ca F Fe H K Mg Na O Si

Structural Groups for minerals in this locality:
Analcime Apophyllite Calcite Chabazite Clay Erionite Gyrolite Harmotome Heulandite Natrolite
None Not in a structural group Smectite-vermiculite

12 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Calcite ()*	Calcite	Ca(CO₃)	27770
Chabazite-Na ()*	Chabazite	(Na₃K)[Al₄Si₈O₂₄]·11H₂O	66
Erionite-K ()*	Erionite	K₁₀[Si₂₆Al₁₀O₇₂]·30H₂O	22
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	142
Heulandite-K ()*	Heulandite	(K,Ca,Na)₅(Si₂₇Al₉)O₇₂·26H₂O	32
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	85
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Offretite ()*	Not in a structural group	KCaMg(Si₁₃Al₅)O₃₆·15H₂O	146
Okenite ()*	None	Ca₁₀Si₁₈O₄₆·18H₂O	71
Phillipsite-K ()*	Harmotome	K₆(Si₁₀Al₆)O₃₂·12H₂O	71
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	301

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...