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:
Yuma Mine (Yuma Liberator Mine; Liberator Mine; T&A Mine), Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA

Oldest recorded age at locality: 70.1
Youngest recorded age at locality: 53.8

mindat Locality ID: 33480
mindat URL: http://www.mindat.org/loc-33480.html

Tectonic Settings:

Total number of sublocalities beneath "Yuma Mine (Yuma Liberator Mine; Liberator Mine; T&A Mine), Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 33°50'25"N
Longitude: 113°44'56"W
Decimal Degree (lat, lon): 33.840277777778,-113.74888888889

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	Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Covellite	Epidote	Feldspar	Malachite
None	Not in a structural group	Pyrite	Pyroxene	Spinel

Albite ()*	Augite ()*	Azurite ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Covellite ()*	Cuprite ()*
Epidote ()*	Gold ()*	Hematite ()*	Magnetite ()*	Malachite ()*
Pyrite ()*	Siderite ()*

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 Au C Ca Cu Fe H Mg Na O S Si

Elements from minerals reported directly at this locality: Al Au C Ca Cu Fe H Mg Na O S Si

Structural Groups for minerals in this locality:
Allophane Calcite Chalcopyrite Clinozoisite Copper Corundum Covellite Epidote Feldspar Malachite
None Not in a structural group Pyrite Pyroxene Spinel

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	70.1	53.8	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	70.1	53.8	2060
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	70.1	53.8	5509
Bornite ()*	None	Cu₅FeS₄	70.1	53.8	5516
Calcite ()*	Calcite	Ca(CO₃)	70.1	53.8	27770
Chalcocite ()*	None	Cu₂S	70.1	53.8	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	70.1	53.8	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	70.1	53.8	3531
Covellite ()*	Covellite	CuS	70.1	53.8	4165
Cuprite ()*	Not in a structural group	Cu₂O	70.1	53.8	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	70.1	53.8	8173
Gold ()*	Copper	Au	70.1	53.8	30554
Hematite ()*	Corundum	Fe₂O₃	70.1	53.8	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	70.1	53.8	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	70.1	53.8	12537
Pyrite ()*	Pyrite	FeS₂	70.1	53.8	39462
Siderite ()*	Calcite	Fe(CO₃)	70.1	53.8	6417

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Num	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
Giersdorf_00000356	68.5	65.7	67.1±1.4	K-Ar	age records cooling after a metamorphic event	UAKA-77-64	Yes	33608	Granite Wash Mts, La Paz Co., Arizona, USA	Granite Wash Mts.	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000358	70.1	62.9	66.5±3.6	K-Ar		UAKA-66-03	Yes	33608	Granite Wash Mts, La Paz Co., Arizona, USA	Granite Wash Pass	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000368	56.2	53.8	55±1.2	K-Ar	Age reflects a tertiary cooling history in the Granite Wash Mts.	UAKA-77-63	Yes	33608	Granite Wash Mts, La Paz Co., Arizona, USA	Granite Wash Mts.	Shafiqullah et al. (1980)	AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...