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:
Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA

Oldest recorded age at locality: 53
Youngest recorded age at locality: 0

mindat Locality ID: 50726
mindat URL: http://www.mindat.org/loc-50726.html

Tectonic Settings:

Total number of sublocalities beneath "Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA": 13
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Black Prince-Peabody Mines Area
Copper Chief Mine
Copper King Mine
Donna Anna Workings (Donna Anna Claims; Doña Aña Workings)
Johnson Mine (Johnson Pit; Burro Pit; Climax Shaft; Johnson Camp Mine; Cyprus Johnson Deposit)
Mammoth Mine
Mammoth Mine Area
Moore Mine (Moore Shaft; Moore Orebody)
O.K. Mine (OK Mine)
Republic Mine (Republic Copper Co. Property)
Republic Mine Area
Southern Mine
Unnamed W Mine [5]

Latitude: 32°6'4"N
Longitude: 110°3'59"W
Decimal Degree (lat, lon): 32.101111111111,-110.06638888889

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	Amphibole	Andalusite	Baryte	Beryl	Brochantite	Calcite	Chalcopyrite	Clay
Clinozoisite	Columbite	Copper	Corundum	Covellite	Diaspore	Epidote	Feldspar	Fluorite	Garnet
Gypsum	Humite	Kaolinite	Malachite	Marcasite	Mica	Molybdenite	Nickeline	None	Not in a structural group
Olivine	Phenakite	Pyrite	Pyroxene	Quartz	Rhodonite	Rocksalt	Scheelite	Smectite-vermiculite	Spangolite
Sphalerite	Spinel	Talc	Tetrahedrite	Titanite	Vesuvianite	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 Ba Be C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Sb Si Ti W Zn

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

Structural Groups for minerals in this locality:
Allophane Alunite Amphibole Andalusite Baryte Beryl Brochantite Calcite Chalcopyrite Clay
Clinozoisite Columbite Copper Corundum Covellite Diaspore Epidote Feldspar Fluorite Garnet
Gypsum Humite Kaolinite Malachite Marcasite Mica Molybdenite Nickeline None Not in a structural group
Olivine Phenakite Pyrite Pyroxene Quartz Rhodonite Rocksalt Scheelite Smectite-vermiculite Spangolite
Sphalerite Spinel Talc Tetrahedrite Titanite Vesuvianite Wollastonite

60 IMA Minerals at location:

Actinolite ()*	Allophane ()*	Anthophyllite ()*	Antlerite ()*	Aurichalcite ()*
Azurite ()*	Baryte ()*	Beryl ()*	Bornite ()*	Brochantite ()*
Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chondrodite ()*	Chrysocolla ()*
Copper ()*	Covellite ()*	Cuprite ()*	Diopside ()*	Dioptase ()*
Dolomite ()*	Epidote ()*	Ferberite ()*	Fluorite ()*	Forsterite ()*
Galena ()*	Goethite ()*	Grossular ()*	Gypsum ()*	Hematite ()*
Hemimorphite ()*	Hübnerite ()*	Jarosite ()*	Kaolinite ()*	Libethenite ()*
Magnetite ()*	Malachite ()*	Marcasite ()*	Molybdenite ()*	Montmorillonite ()*
Muscovite ()*	Orthoclase ()*	Powellite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rhodonite ()*	Scheelite ()*	Siderite ()*	Spangolite ()*
Sphalerite ()*	Talc ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*
Tremolite ()*	Vesuvianite ()*	Willemite ()*	Wollastonite ()*	Zoisite ()*

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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	53	53	0		3419
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	53	53	2	137113,137116	470
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	53	53	0		718
Antlerite ()*	Not in a structural group	Cu²⁺₃(SO₄)(OH)₄	53	53	1	137116	246
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	53	53	1	137116	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	53	53	2	137113,137116	5509
Baryte ()*	Baryte	Ba(SO₄)	53	53	1	137116	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	53	53	1	137116	4286
Bornite ()*	None	Cu₅FeS₄	53	0	5	137112,137116,137117,137119,137121	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	53	53	1	137116	1633
Calcite ()*	Calcite	Ca(CO₃)	53	0	4	137116,137117,137119,137121	27770
Chalcocite ()*	None	Cu₂S	53	0	2	137116,137117	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	53	0	7	137113,137115,137116,137117,137119,137120,137121	27198
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	53	53	1	137116	285
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	53	53	2	137113,137116	3531
Copper ()*	Copper	Cu	53	0	4	137113,137116,137117,137121	3846
Covellite ()*	Covellite	CuS	53	0	2	137116,137117	4165
Cuprite ()*	Not in a structural group	Cu₂O	53	53	1	137116	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆	53	0	4	137116,137117,137119,137121	4135
Dioptase ()*	None	CuSiO₃·H₂O	53	53	0		164
Dolomite ()*	None	CaMg(CO₃)₂	53	53	0		9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	53	53	1	137116	8173
Ferberite ()*	Columbite	Fe²⁺(WO₄)	0	0	1	137124	551
Fluorite ()*	Fluorite	CaF₂	53	0	3	137115,137116,137124	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	53	53	0		1188
Galena ()*	Rocksalt	PbS	53	0	3	137115,137116,137121	24243
Goethite ()*	Diaspore	FeO(OH)	53	53	2	137113,137116	7437
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	53	53	0		1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	53	53	1	137116	6890
Hematite ()*	Corundum	Fe₂O₃	53	53	2	137113,137116	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	53	53	0		1689
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	53	53	2	137115,137116	469
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	53	53	1	137116	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	53	53	1	137116	5591
Libethenite ()*	Andalusite	Cu₂(PO₄)(OH)	53	53	1	137116	234
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	53	0	3	137116,137119,137121	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	53	0	3	137113,137116,137117	12537
Marcasite ()*	Marcasite	FeS₂	53	53	0		5674
Molybdenite ()*	Molybdenite	MoS₂	53	0	3	137116,137119,137121	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	53	53	1	137116	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	53	53	1	137116	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	53	0	2	137116,137121	2349
Powellite ()*	Scheelite	Ca(MoO₄)	53	53	2	137115,137116	494
Pyrite ()*	Pyrite	FeS₂	53	0	6	137115,137116,137117,137119,137120,137121	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	0	0	1	137118	9056
Quartz ()*	Quartz	SiO₂	53	0	5	137113,137115,137116,137122,137124	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	53	53	0		969
Scheelite ()*	Scheelite	Ca(WO₄)	53	0	5	137115,137116,137119,137121,137122	4894
Siderite ()*	Calcite	Fe(CO₃)	53	53	1	137116	6417
Spangolite ()*	Spangolite	Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O	53	53	1	137116	105
Sphalerite ()*	Sphalerite	ZnS	53	0	6	137113,137116,137117,137119,137120,137121	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	53	53	0		3337
Tenorite ()*	None	CuO	53	53	1	137116	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	53	0	3	137116,137119,137121	5317
Titanite ()*	Titanite	CaTi(SiO₄)O	53	53	1	137116	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	53	53	1	137116	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	53	53	0		1395
Willemite ()*	Phenakite	Zn₂SiO₄	53	53	1	137116	303
Wollastonite ()*	Wollastonite	CaSiO₃	53	0	2	137116,137117	1247
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	0	0	1	137121	1025

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.

2 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."
	PorphCu-00090	53	53	53									Aurichalcite, Bornite, Calcite, Chalcopyrite, Chrysocolla, Cuprite, Diopside, Epidote, Fluorite, Galena, Hematite, Jarosite, Kaolinite, Magnetite, Molybdenite, Montmorillonite, Pyrite, Scheelite, Tenorite, Tremolite	Cu	32440	Johnson Mine (Johnson Pit; Burro Pit; Climax Shaft; Johnson Camp Mine; Cyprus Johnson Deposit), Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA	Johnson Camp	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...