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:
Empire Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA

Oldest recorded age at locality: 145
Youngest recorded age at locality: 0

mindat Locality ID: 5805
mindat URL: http://www.mindat.org/loc-5805.html

Tectonic Settings:

Total number of sublocalities beneath "Empire Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Skip Shaft

Latitude: 31°42'27"N
Longitude: 110°3'39"W
Decimal Degree (lat, lon): 31.7075,-110.06083333333

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.

Alunite	Aragonite	Baryte	Bournonite	Brochantite	Calcite	Copper	Dugganite	Fluorite	Fornacite
Garnet	Malachite	Natrochalcite	None	Not in a structural group	Phenakite	Pyrite	Quartz	Rocksalt	Scheelite
Sulphur

Anglesite ()*	Azurite ()*	Beaverite-(Cu) ()*	Bournonite ()*	Brochantite ()*
Bromargyrite ()*	Calcite ()*	Cerussite ()*	Cervelleite ()*	Chalcocite ()*
Chlorargyrite ()*	Dugganite ()*	Emmonsite ()*	Fluorite ()*	Galena ()*
Gold ()*	Hemimorphite ()*	Housleyite ()*	Jarosite ()*	Khinite ()*
Malachite ()*	Molybdofornacite ()*	Natrochalcite ()*	Plumbojarosite ()*	Pyrite ()*
Quartz ()*	Rosasite ()*	Silver ()*	Smithsonite ()*	Stromeyerite ()*
Sulphur ()*	Utahite ()*	Willemite ()*	Wulfenite ()*	Yafsoanite ()*

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: Ag As Au Br C Ca Cl Cu F Fe H K Mo Na O Pb S Sb Si Te Zn

Elements from minerals reported directly at this locality: Ag As Au C Ca Cl Cu F Fe H K Mg Mo Na O Pb S Sb Si Te Zn

Structural Groups for minerals in this locality:
Alunite Aragonite Baryte Bournonite Brochantite Calcite Copper Dugganite Fluorite Fornacite
Garnet Malachite Natrochalcite None Not in a structural group Phenakite Pyrite Quartz Rocksalt Scheelite
Sulphur

35 IMA Minerals at location:

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
Anglesite ()*	Baryte	Pb(SO₄)	145	0	1	137420	2734
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	145	0	0		5509
Beaverite-(Cu) ()*	Alunite	Pb(Fe³⁺₂Cu)(SO₄)₂(OH)₆	145	0	0		132
Bournonite ()*	Bournonite	CuPbSbS₃	145	0	0		1089
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	145	0	0		1633
Bromargyrite ()*	Rocksalt	AgBr	145	0	1	137420	227
Calcite ()*	Calcite	Ca(CO₃)	145	0	0		27770
Cerussite ()*	Aragonite	Pb(CO₃)	145	0	0		4979
Cervelleite ()*	None	Ag₄TeS	145	0	0		42
Chalcocite ()*	None	Cu₂S	145	0	0		5707
Chlorargyrite ()*	Rocksalt	AgCl	145	0	0		1382
Dugganite ()*	Dugganite	Pb₃Zn₃(TeO₆)(AsO₄)₂	145	0	0		18
Emmonsite ()*	None	Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O	145	0	0		34
Fluorite ()*	Fluorite	CaF₂	145	0	0		9617
Galena ()*	Rocksalt	PbS	145	0	1	137420	24243
Gold ()*	Copper	Au	145	0	0		30554
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	145	0	0		1689
Housleyite ()*	Not in a structural group	Pb₆CuTe₄O₁₈(OH)₂	145	0	0		5
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	145	0	0		2228
Khinite ()*	None	Cu²⁺₃PbTe⁶⁺O₆(OH)₂	145	0	0		14
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	145	0	0		12537
Molybdofornacite ()*	Fornacite	CuPb₂(MoO₄)(AsO₄)(OH)	76	66	0		17
Natrochalcite ()*	Natrochalcite	NaCu₂(SO₄)₂(OH)·H₂O	145	0	0		6
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	145	0	0		477
Pyrite ()*	Pyrite	FeS₂	145	0	0		39462
Quartz ()*	Quartz	SiO₂	145	0	0		61156
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	145	0	0		454
Silver ()*	Copper	Ag	145	0	0		5186
Smithsonite ()*	Calcite	Zn(CO₃)	145	0	0		2473
Stromeyerite ()*	None	CuAgS	145	0	0		332
Sulphur ()*	Sulphur	S	145	0	1	137420	2045
Utahite ()*	None	MgCu²⁺₄Zn₂Te⁶⁺₃O₁₄(OH)₄·6H₂O	145	0	0		4
Willemite ()*	Phenakite	Zn₂SiO₄	145	0	0		303
Wulfenite ()*	Scheelite	PbMoO₄	76	66	0		1655
Yafsoanite ()*	Garnet	Ca₃Te⁶⁺₂(ZnO₄)₃	145	0	0		4

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_554	Near-surface occurrence. Recently forming oxalate associated with cave deposits, in Cochise County, Arizona.

7 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	Age from other Locality	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
Michelle_554	0	0	Recent		Age of whewellite mineralization	high			Yes	Whewellite		15570	Cochise Co., Arizona, USA	Cochise County	Hofmann and Bernasconi (1998)	10.1016/S0009-2541(98)00043-6	CG149_127	Described as "recent cave deposits."
EG94_211-00055	76	76		Pb-Pb			whole rock?	T11	Yes			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00056	76	76		Pb-Pb			whole rock?	T21	Yes			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00057	72	72		Pb-Pb			whole rock?	T32	Yes			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00058	66	66	66	Pb-Pb			whole rock?	T44	Yes			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
Mo-00180	76	66		U-Th-Pb?, Pb-Pb?					Yes	Molybdofornacite, Wulfenite	Mo	19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone Volcanics	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211	76-66 Ma is the age range of volcanics at Tombstone including Bronco Volcanics (76 Ma), Schieffelin Granodiorite (76 Ma), Rhyodacite stock (72 Ma), and Tombstone Rhyolite (66 Ma).
sedznpb-00497	145	2.6	Cretaceous–Tertiary						Yes			19445	Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	Tombstone	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL
R060498	Empire Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	https://rruff.info/R060498
R080124	Empire Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA	https://rruff.info/R080124

All locality data graciously provided by mindat.org

All age data...