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:
Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 69
Youngest recorded age at locality: 62.9

mindat Locality ID: 3374
mindat URL: http://www.mindat.org/loc-3374.html

Tectonic Settings:

Total number of sublocalities beneath "Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
El Tiro Mine (El Tiro Pit; El Tiro Open Pit; Red Rock Group)
Oxide Mine (Oxide Open Pit Mine; Young America Mine; Young American Mine)

Latitude: 32°24'22"N
Longitude: 111°31'8"W
Decimal Degree (lat, lon): 32.406111111111,-111.51888888889

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	Amorphous	Amphibole	Andalusite	Aragonite	Baryte	Brochantite	Calcite	Caledonite
Chalcanthite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Diaspore	Epidote	Epsomite	Fluorite
Gypsum	Kaolinite	Malachite	Melanterite	Mica	Molybdenite	None	Not in a structural group	Pyrite	Pyroxene
Quartz	Rocksalt	Scheelite	Serpentine	Sphalerite	Turquoise	Wollastonite

Actinolite ()*	Allophane ()*	Alunite ()*	Aragonite ()*	Azurite ()*
Baryte ()*	Brochantite ()*	Cacoxenite ()*	Calcite ()*	Caledonite ()*
Cerussite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Chrysocolla ()*	Copper ()*	Cuprite ()*	Diopside ()*	Epidote ()*
Epsomite ()*	Fluorite ()*	Galena ()*	Goethite ()*	Gypsum ()*
Hematite ()*	Halloysite-10Å ()*	Jarosite ()*	Kaolinite ()*	Leucosphenite ()*
Libethenite ()*	Lizardite ()*	Malachite ()*	Melanterite ()*	Metatorbernite ()*
Molybdenite ()*	Muscovite ()*	Opal ()*	Pseudomalachite ()*	Pyrite ()*
Quartz ()*	Smithsonite ()*	Sphalerite ()*	Tenorite ()*	Torbernite ()*
Tremolite ()*	Turquoise ()*	Wollastonite ()*	Wulfenite ()*

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 B Ba C Ca Cl Cu F Fe H K Mg Mo Na O P Pb S Si Ti U Zn

Elements from minerals reported directly at this locality: Al B Ba C Ca Cu F Fe H K Mg Mo Na O P Pb S Si Ti U Zn

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Amphibole Andalusite Aragonite Baryte Brochantite Calcite Caledonite
Chalcanthite Chalcopyrite Clay Clinozoisite Copper Corundum Diaspore Epidote Epsomite Fluorite
Gypsum Kaolinite Malachite Melanterite Mica Molybdenite None Not in a structural group Pyrite Pyroxene
Quartz Rocksalt Scheelite Serpentine Sphalerite Turquoise Wollastonite

49 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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	63.5	62.9	0		3419
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	63.5	62.9	0		470
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	69	62.9	1	144744	966
Aragonite ()*	Aragonite	Ca(CO₃)	63.5	62.9	0		3250
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	63.5	62.9	0		5509
Baryte ()*	Baryte	Ba(SO₄)	63.5	62.9	0		11547
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	69	66	1	144743	1633
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	69	62.9	2	144743,144744	280
Calcite ()*	Calcite	Ca(CO₃)	63.5	62.9	0		27770
Caledonite ()*	Caledonite	Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆	63.5	62.9	0		359
Cerussite ()*	Aragonite	Pb(CO₃)	69	62.9	1	144743	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	63.5	62.9	0		925
Chalcocite ()*	None	Cu₂S	69	66	2	144743,144744	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	69	66	2	144743,144744	27198
Chlorargyrite ()*	Rocksalt	AgCl	69	62.9	1	144743	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	69	66	1	144743	3531
Copper ()*	Copper	Cu	69	66	1	144743	3846
Cuprite ()*	Not in a structural group	Cu₂O	69	66	2	144743,144744	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆	63.5	62.9	0		4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	63.5	62.9	0		8173
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	69	62.9	1	144743	484
Fluorite ()*	Fluorite	CaF₂	63.5	62.9	0		9617
Galena ()*	Rocksalt	PbS	63.5	62.9	0		24243
Goethite ()*	Diaspore	FeO(OH)	63.5	62.9	0		7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	63.5	62.9	0		6890
Hematite ()*	Corundum	Fe₂O₃	63.5	62.9	0		14640
Halloysite-10Å ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄·2H₂O	63.5	62.9	0		62
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	69	66	1	144744	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	69	62.9	1	144743	5591
Leucosphenite ()*	None	Na₄BaTi₂B₂Si₁₀O₃₀	63.5	62.9	0		19
Libethenite ()*	Andalusite	Cu₂(PO₄)(OH)	63.5	62.9	0		234
Lizardite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	69	62.9	1	144743	359
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	63.5	62.9	0		12537
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	69	62.9	1	144743	915
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	63.5	62.9	0		443
Molybdenite ()*	Molybdenite	MoS₂	63.5	62.9	1	144743	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	63.5	62.9	0		17380
Opal ()*	Amorphous	SiO₂·nH₂O	63.5	62.9	0		2994
Pseudomalachite ()*	None	Cu₅(PO₄)₂(OH)₄	69	66	1	144744	369
Pyrite ()*	Pyrite	FeS₂	69	66	2	144743,144744	39462
Quartz ()*	Quartz	SiO₂	69	62.9	1	144743	61156
Smithsonite ()*	Calcite	Zn(CO₃)	69	62.9	1	144743	2473
Sphalerite ()*	Sphalerite	ZnS	63.5	62.9	0		21482
Tenorite ()*	None	CuO	63.5	62.9	0		1101
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	69	66	2	144743,144744	1059
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	63.5	62.9	0		2562
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	69	66	2	144743,144744	484
Wollastonite ()*	Wollastonite	CaSiO₃	63.5	62.9	0		1247
Wulfenite ()*	Scheelite	PbMoO₄	63.5	62.9	0		1655

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
	PorphCu-00087	69	66	69-66							Yes		Actinolite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Cuprite, Diopside, Epidote, Jarosite, Malachite, Molybdenite, Pyrite, Tenorite, Wollastonite	Cu	31299	Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Silver Bell	Singer et al. (2008)		USGSOFR2008_1155
	Mo-00053	63.5	62.9	63.2±0.3	Re-Os			molybdenite	SB-1			Molybdenite	Molybdenite	Mo	3374	Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Silverbell	Barra et al. (2005)	10.2113/gsecongeo.100.8.1605	EG100_1605

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...