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:
Gunnison Hills, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA

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

mindat Locality ID: 36968
mindat URL: http://www.mindat.org/loc-36968.html

Tectonic Settings:

Total number of sublocalities beneath "Gunnison Hills, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 1
Child Localities:
Dragoon

Latitude: 32°5'40"N
Longitude: 110°'48"W
Decimal Degree (lat, lon): 32.094444444444,-110.01333333333

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.

Acanthite	Allophane	Alunite	Aragonite	Baryte	Calcite	Caledonite	Clay	Copper	Corundum
Diaspore	Linarite	Malachite	Minium	None	Not in a structural group	Phenakite	Quartz	Rocksalt	Sphalerite
Talc

Acanthite ()*	Anglesite ()*	Aurichalcite ()*	Calcite ()*	Caledonite ()*
Cerussite ()*	Chrysocolla ()*	Galena ()*	Goethite ()*	Hematite ()*
Hemimorphite ()*	Hydrozincite ()*	Linarite ()*	Malachite ()*	Minium ()*
Plumbojarosite ()*	Quartz ()*	Rosasite ()*	Silver ()*	Sphalerite ()*
Talc ()*	Willemite ()*

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 Al C Ca Cu Fe H Mg O Pb S Si Zn

Elements from minerals reported directly at this locality: H Mg O Si

Structural Groups for minerals in this locality:
Acanthite Allophane Alunite Aragonite Baryte Calcite Caledonite Clay Copper Corundum
Diaspore Linarite Malachite Minium None Not in a structural group Phenakite Quartz Rocksalt Sphalerite
Talc

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	137105	2793
Anglesite ()*	Baryte	Pb(SO₄)	2	137104,137105	2734
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	2	137104,137105	919
Calcite ()*	Calcite	Ca(CO₃)	2	137104,137105	27770
Caledonite ()*	Caledonite	Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆	1	137105	359
Cerussite ()*	Aragonite	Pb(CO₃)	1	137105	4979
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	137105	3531
Galena ()*	Rocksalt	PbS	1	137105	24243
Goethite ()*	Diaspore	FeO(OH)	1	137105	7437
Hematite ()*	Corundum	Fe₂O₃	2	137104,137105	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	1	137105	1689
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	1	137105	1066
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂	1	137105	987
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	137105	12537
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄	1	137105	247
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	1	137105	477
Quartz ()*	Quartz	SiO₂	2	137104,137105	61156
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	1	137105	454
Silver ()*	Copper	Ag	1	137105	5186
Sphalerite ()*	Sphalerite	ZnS	1	137105	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337
Willemite ()*	Phenakite	Zn₂SiO₄	2	137104,137105	303

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...