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:
Las Guijas & San Luis Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 70
Youngest recorded age at locality: 67.2

mindat Locality ID: 34856
mindat URL: http://www.mindat.org/loc-34856.html

Tectonic Settings:

Total number of sublocalities beneath "Las Guijas & San Luis Mts, Pima Co., Arizona, USA": 171
Total number of bottom-level sublocalities: 156

Number of Child Localities: 1
Child Localities:
Arivaca District (Las Guijas District)

Latitude: 31°35'40"N
Longitude: 111°20'38"W
Decimal Degree (lat, lon): 31.594444444444,-111.34388888889

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.

Aragonite	Baryte	Braunite	Calcite	Chalcopyrite	Clay	Columbite	Copper	Corundum	Descloizite
Fluorite	Malachite	Mica	None	Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite	Spinel

Baryte ()*	Bornite ()*	Braunite ()*	Cerussite ()*	Chalcopyrite ()*
Chlorargyrite ()*	Cinnabar ()*	Fluorite ()*	Galena ()*	Gold ()*
Hausmannite ()*	Hematite ()*	Hübnerite ()*	Magnetite ()*	Malachite ()*
Mottramite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Scheelite ()*
Smithsonite ()*	Sphalerite ()*	Stolzite ()*	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 Au Ba C Ca Cl Cu F Fe H Hg K Mn Mo O Pb S Si V W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Baryte Braunite Calcite Chalcopyrite Clay Columbite Copper Corundum Descloizite
Fluorite Malachite Mica None Pyrite Quartz Rocksalt Scheelite Sphalerite Spinel

24 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
Baryte ()*	Baryte	Ba(SO₄)	70	67.2	1	143916	11547
Bornite ()*	None	Cu₅FeS₄	70	67.2	1	143854	5516
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	70	67.2	1	143792	483
Cerussite ()*	Aragonite	Pb(CO₃)	70	67.2	1	143903	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	70	67.2	10	143831,143832,143840,143847,143849,143853,143854,143897,143898,143905	27198
Chlorargyrite ()*	Rocksalt	AgCl	70	67.2	2	143775,143796	1382
Cinnabar ()*	None	HgS	70	67.2	1	143838	2600
Fluorite ()*	Fluorite	CaF₂	70	67.2	2	143851,143854	9617
Galena ()*	Rocksalt	PbS	70	67.2	11	143831,143832,143840,143847,143849,143853,143854,143897,143899,143905,143916	24243
Gold ()*	Copper	Au	70	67.2	14	143838,143851,143854,143857,143858,143859,143860,143861,143898,143899,143901,143903,143907,143926	30554
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	70	67.2	1	143792	350
Hematite ()*	Corundum	Fe₂O₃	70	67.2	1	143832	14640
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	70	67.2	2	143830,143854	469
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	70	67.2	1	143854	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	70	67.2	1	143878	12537
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)	70	67.2	1	143903	362
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	70	67.2	2	143852,143854	17380
Pyrite ()*	Pyrite	FeS₂	70	67.2	9	143832,143847,143849,143853,143854,143878,143897,143898,143905	39462
Quartz ()*	Quartz	SiO₂	70	67.2	1	143773	61156
Scheelite ()*	Scheelite	Ca(WO₄)	70	67.2	9	143830,143847,143849,143851,143854,143855,143901,143902,143908	4894
Smithsonite ()*	Calcite	Zn(CO₃)	70	67.2	1	143916	2473
Sphalerite ()*	Sphalerite	ZnS	70	67.2	7	143831,143832,143840,143847,143854,143897,143905	21482
Stolzite ()*	Scheelite	Pb(WO₄)	70	67.2	1	143851	156
Wulfenite ()*	Scheelite	PbMoO₄	70	67.2	1	143903	1655

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
	Giersdorf_00000355	70	67.2	68.6±1.4	K-Ar				UAKA-77-50						31250	Arivaca District (Las Guijas District), Las Guijas & San Luis Mts, Pima Co., Arizona, USA	Arivaca District	Shafiqullah et al. (1980)		AGSD12_201

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...