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:
Harquahala Mts, Maricopa Co., Arizona, USA

Oldest recorded age at locality: 30.5
Youngest recorded age at locality: 20.8

mindat Locality ID: 44632
mindat URL: http://www.mindat.org/loc-44632.html

Tectonic Settings:

Total number of sublocalities beneath "Harquahala Mts, Maricopa Co., Arizona, USA": 21
Total number of bottom-level sublocalities: 11

Number of Child Localities: 8
Child Localities:
Aguila District
Arrastre Gulch Prospect
Dushey Canyon
Ellsworth District
Harquahala Mountain
Harquahala Mountains Wilderness Study Area
Linda Mine
Weldon Hill

Latitude: 33°46'44"N
Longitude: 113°17'55"W
Decimal Degree (lat, lon): 33.778888888889,-113.29861111111

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.

Baryte	Calcite	Clinozoisite	Corundum	Epidote	Fluorite	Malachite	None	Pyrite	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 Ba C Ca Cu F Fe H Mo O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Calcite Clinozoisite Corundum Epidote Fluorite Malachite None Pyrite Scheelite

10 IMA Minerals at location:

Baryte ()*	Bornite ()*	Calcite ()*	Epidote ()*	Fluorite ()*
Hematite ()*	Malachite ()*	Pyrite ()*	Siderite ()*	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
Baryte ()*	Baryte	Ba(SO₄)	30.5	20.8	3	141034,141041,141046	11547
Bornite ()*	None	Cu₅FeS₄	30.5	20.8	1	141034	5516
Calcite ()*	Calcite	Ca(CO₃)	30.5	20.8	2	141028,141034	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	30.5	20.8	1	141029	8173
Fluorite ()*	Fluorite	CaF₂	30.5	20.8	3	141034,141041,141046	9617
Hematite ()*	Corundum	Fe₂O₃	30.5	20.8	3	141031,141034,141043	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	30.5	20.8	2	141031,141041	12537
Pyrite ()*	Pyrite	FeS₂	30.5	20.8	3	141031,141034,141044	39462
Siderite ()*	Calcite	Fe(CO₃)	30.5	20.8	1	141034	6417
Wulfenite ()*	Scheelite	PbMoO₄	30.5	20.8	1	141046	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_00000385	30.5	26.7	28.6±1.9	K-Ar	Ages from coexisting minerals found in a dike			HLa-2						44632	Harquahala Mts, Maricopa Co., Arizona, USA	Harquahala Mountains	Shafiqullah et al. (1980)		AGSD12_201
	Giersdorf_00000386	23.4	20.8	22.1±1.3	K-Ar	Ages from coexisting minerals found in a dike			HLa-2						44632	Harquahala Mts, Maricopa Co., Arizona, USA	Harquahala Mountains	Shafiqullah et al. (1980)		AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...