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:
San Xavier Pit (San Xavier Open Pit; San Xavier West Mine; San Xavier Unit Open Pit), Mission Complex, San Xavier, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 67
Youngest recorded age at locality: 58

mindat Locality ID: 32004
mindat URL: http://www.mindat.org/loc-32004.html

Tectonic Settings:

Total number of sublocalities beneath "San Xavier Pit (San Xavier Open Pit; San Xavier West Mine; San Xavier Unit Open Pit), Mission Complex, San Xavier, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°1'36"N
Longitude: 111°4'48"W
Decimal Degree (lat, lon): 32.026666666667,-111.08

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	Aragonite	Brochantite	Calcite	Chalcanthite	Clay	Coquimbite	Malachite	Marcasite	Melanterite
None	Not in a structural group	Sepiolite	Sphalerite

Aragonite ()*	Aurichalcite ()*	Azurite ()*	Brochantite ()*	Calcite ()*
Chalcanthite ()*	Chrysocolla ()*	Coquimbite ()*	Hemimorphite ()*	Malachite ()*
Marcasite ()*	Melanterite ()*	Rosasite ()*	Sepiolite ()*	Sphalerite ()*

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 C Ca Cu Fe H Mg O S Si Zn

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

Structural Groups for minerals in this locality:
Allophane Aragonite Brochantite Calcite Chalcanthite Clay Coquimbite Malachite Marcasite Melanterite
None Not in a structural group Sepiolite Sphalerite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aragonite ()*	Aragonite	Ca(CO₃)	67	58	3250
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	67	58	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	67	58	5509
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	67	58	1633
Calcite ()*	Calcite	Ca(CO₃)	67	58	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	67	58	925
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	67	58	3531
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	67	58	136
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	67	58	1689
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	67	58	12537
Marcasite ()*	Marcasite	FeS₂	67	58	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	67	58	915
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	67	58	454
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	67	58	241
Sphalerite ()*	Sphalerite	ZnS	67	58	21482

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
EG94_211-00050	67	67	67	Pb-Pb	whole rock?	KD-GR2-1	Yes	22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00051	67	67	67	Pb-Pb	whole rock?	D-MR2-2	Yes	22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00052	63	63	63	Pb-Pb	whole rock?	RS-MR-5	Yes	22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00053	58	58	58	Pb-Pb	whole rock?	TWB-Pa	Yes	22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00054	58	58	58	Pb-Pb	whole rock?	QL-85-1	Yes	22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...