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:
Chief Mine (Chief Claim), Prince Mine Group, Hilton Mines (Hilton Mine Group; Hiltano Group; Hiltano & State Of Maine Group), Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 1405
Youngest recorded age at locality: 1345

mindat Locality ID: 22124
mindat URL: http://www.mindat.org/loc-22124.html

Tectonic Settings:

Total number of sublocalities beneath "Chief Mine (Chief Claim), Prince Mine Group, Hilton Mines (Hilton Mine Group; Hiltano Group; Hiltano & State Of Maine Group), Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 31°52'17"N
Longitude: 110°38'24"W
Decimal Degree (lat, lon): 31.871388888889,-110.64

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	Alunite	Andalusite	Aragonite	Baryte	Calcite	Clay	Malachite	Mica	Minium
Molybdenite	None	Not in a structural group	Quartz	Rocksalt	Rutile

Anglesite ()*	Aragonite ()*	Aurichalcite ()*	Azurite ()*	Calcite ()*
Cerussite ()*	Chrysocolla ()*	Galena ()*	Hemimorphite ()*	Libethenite ()*
Malachite ()*	Minium ()*	Molybdenite ()*	Muscovite ()*	Plattnerite ()*
Plumbojarosite ()*	Quartz ()*	Rosasite ()*	Siderite ()*	Smithsonite ()*

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 Mo O P Pb S Si Zn

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

Structural Groups for minerals in this locality:
Allophane Alunite Andalusite Aragonite Baryte Calcite Clay Malachite Mica Minium
Molybdenite None Not in a structural group Quartz Rocksalt Rutile

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	1405	1345	2734
Aragonite ()*	Aragonite	Ca(CO₃)	1405	1345	3250
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	1405	1345	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1405	1345	5509
Calcite ()*	Calcite	Ca(CO₃)	1405	1345	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1405	1345	4979
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1405	1345	3531
Galena ()*	Rocksalt	PbS	1405	1345	24243
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	1405	1345	1689
Libethenite ()*	Andalusite	Cu₂(PO₄)(OH)	1405	1345	234
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1405	1345	12537
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄	1405	1345	247
Molybdenite ()*	Molybdenite	MoS₂	1405	1345	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1405	1345	17380
Plattnerite ()*	Rutile	PbO₂	1405	1345	158
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	1405	1345	477
Quartz ()*	Quartz	SiO₂	1405	1345	61156
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	1405	1345	454
Siderite ()*	Calcite	Fe(CO₃)	1405	1345	6417
Smithsonite ()*	Calcite	Zn(CO₃)	1405	1345	2473

1 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_00000322	1405	1345	1375±30	K-Ar				UAKA-57-14		Yes		Muscovite		31691	Empire District, Empire Mts, Pima Co., Arizona, USA	Empire Mountains	Shafiqullah et al. (1980)		AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...