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:
Cochise Stronghold, Middle Pass District, Dragoon Mts, Cochise Co., Arizona, USA

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

mindat Locality ID: 275979
mindat URL: http://www.mindat.org/loc-275979.html

Tectonic Settings:

Total number of sublocalities beneath "Cochise Stronghold, Middle Pass District, Dragoon Mts, Cochise Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Abril Mine (Dos Hermanos Mine; Herrera Mine)

Latitude: 31°54'28"N
Longitude: 109°59'26"W
Decimal Degree (lat, lon): 31.907777777778,-109.99055555556

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.

Beryl	Calcite	Cancrinite-sodalite	Chalcopyrite	Clay	Clinozoisite	Corundum	Epidote	Kobellite	Molybdenite
None	Pyroxene	Rocksalt	Serpentine	Sodalite	Sphalerite	Wollastonite

Beryl ()*	Calcite ()*	Chalcopyrite ()*	Chrysotile ()*	Diopside ()*
Eclarite ()*	Epidote ()*	Ferrimolybdite ()*	Galena ()*	Helvine ()*
Hematite ()*	Molybdenite ()*	Sphalerite ()*	Wollastonite ()*

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 Be Bi C Ca Cu Fe H Mg Mn Mo O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Calcite Cancrinite-sodalite Chalcopyrite Clay Clinozoisite Corundum Epidote Kobellite Molybdenite
None Pyroxene Rocksalt Serpentine Sodalite Sphalerite Wollastonite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	136815	4286
Calcite ()*	Calcite	Ca(CO₃)	1	136815	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	136815	27198
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	136815	951
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	136815	4135
Eclarite ()*	Kobellite	(Cu,Fe)Pb₉Bi₁₂S₂₈	1	136815	18
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	136815	8173
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	1	136815	345
Galena ()*	Rocksalt	PbS	1	136815	24243
Helvine ()*	Sodalite Cancrinite-sodalite	Be₃Mn²⁺₄(SiO₄)₃S	1	136815	237
Hematite ()*	Corundum	Fe₂O₃	1	136815	14640
Molybdenite ()*	Molybdenite	MoS₂	1	136815	5800
Sphalerite ()*	Sphalerite	ZnS	1	136815	21482
Wollastonite ()*	Wollastonite	CaSiO₃	1	136815	1247

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.

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
	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."

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...