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 Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA

Oldest recorded age at locality: 1.8
Youngest recorded age at locality: 0.01

mindat Locality ID: 44381
mindat URL: http://www.mindat.org/loc-44381.html

Tectonic Settings:

Total number of sublocalities beneath "San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA": 34
Total number of bottom-level sublocalities: 23

Number of Child Localities: 11
Child Localities:
Anderson Mesa
Bill Williams Mountain
Flagstaff Area
Humphreys Peak
O'Leary Peak
Red Mountain
Robinson Crater Area
San Francisco Mountain
Sitgreaves Peak (Sitgreaves Mt.)
Sunset Crater (Sunset Peak)
Sunset Crater Volcano National Monument

Latitude: 35°19'47"N
Longitude: 111°43'11"W
Decimal Degree (lat, lon): 35.329722222222,-111.71972222222

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.

Alum	Alunite	Amorphous	Amphibole	Analcime	Baryte	Calcite	Chabazite	Corundum	Feldspar
Fluorite	Garnet	Gypsum	Halotrichite	Hexahydrite	None	Not in a structural group	Olivine	Pyrochlore	Pyroxene
Sapphirine	Spinel	Sulphur	Topaz	Voltaite	Zircon

Aenigmatite ()*	Alum-(K) ()*	Alum-(Na) ()*	Alunite ()*	Alunogen ()*
Analcime ()*	Augite ()*	Baryte ()*	Calcite ()*	Celestine ()*
Chabazite-Na ()*	Diopside ()*	Ferrohexahydrite ()*	Fluorite ()*	Forsterite ()*
Gypsum ()*	Hematite ()*	Hydrokenoralstonite ()*	Jarosite ()*	Kaersutite ()*
Lechatelierite ()*	Magnetite ()*	Opal ()*	Pickeringite ()*	Pyrope ()*
Riebeckite ()*	Sanidine ()*	Sulphur ()*	Thénardite ()*	Topaz ()*
Voltaite ()*	Zircon ()*

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 C Ca F Fe H K Mg Na O S Si Sr Ti Zr

Elements from minerals reported directly at this locality: Al Ca Mg Na O Si Ti

Structural Groups for minerals in this locality:
Alum Alunite Amorphous Amphibole Analcime Baryte Calcite Chabazite Corundum Feldspar
Fluorite Garnet Gypsum Halotrichite Hexahydrite None Not in a structural group Olivine Pyrochlore Pyroxene
Sapphirine Spinel Sulphur Topaz Voltaite Zircon

32 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
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	1.8	0.01	1	137918	133
Alum-(K) ()*	Alum	KAl(SO₄)₂·12H₂O			1	137924	92
Alum-(Na) ()*	Alum	NaAl(SO₄)₂·12H₂O			1	137924	12
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆			1	137924	966
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O			1	137924	272
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	0.85	0.63	1	137910	1627
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	0.85	0.63	1	137910	2060
Baryte ()*	Baryte	Ba(SO₄)			1	137924	11547
Calcite ()*	Calcite	Ca(CO₃)	0.85	0.63	2	137910,137924	27770
Celestine ()*	Baryte	Sr(SO₄)			1	137925	1252
Chabazite-Na ()*	Chabazite	(Na₃K)[Al₄Si₈O₂₄]·11H₂O	0.85	0.63	1	137910	66
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	137924	4135
Ferrohexahydrite ()*	Hexahydrite	Fe²⁺(SO₄)·6H₂O			1	137924	21
Fluorite ()*	Fluorite	CaF₂	1.8	0.01	2	137918,137925	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	0.85	0.63	2	137910,137924	1188
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	137924	6890
Hematite ()*	Corundum	Fe₂O₃			1	137924	14640
Hydrokenoralstonite ()*	Pyrochlore	₂Al₂F₆(H₂O)			1	137924	56
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			1	137924	2228
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	1.8	0.01	0		179
Lechatelierite ()*	Amorphous	SiO₂			1	137903	62
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	137924	14899
Opal ()*	Amorphous	SiO₂·nH₂O			1	137924	2994
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O			1	137924	265
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃			1	137924	341
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1.8	0.01	2	137918,137919	375
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1.8	0.01	1	137919	598
Sulphur ()*	Sulphur	S			1	137924	2045
Thénardite ()*	None	Na₂(SO₄)			2	137926,137931	299
Topaz ()*	Topaz	Al₂SiO₄F₂	1.8	0.01	1	137918	1476
Voltaite ()*	Voltaite	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂·18H₂O			1	137924	111
Zircon ()*	Zircon	Zr(SiO₄)	1.8	0.01	1	137918	5251

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-4114	0.7	0.2	0.45±0.25		4114	51593	Main Rhyolite Cone, O'Leary Peak, San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88129	0.85	0.63	0.74±0.11	biotite	88129	53212	Red Mountain, San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-6066	1.8	0.01	0.9+0.9/-0.89		6066	50950	San Francisco Mountain, San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL
R060861	Red Mountain, San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	https://rruff.info/R060861
R050446	Sunset Crater (Sunset Peak), San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	https://rruff.info/R050446
R040178	Bonito Lava Flow, Flagstaff, Sunset Crater Volcano National Monument, San Franciscan Volcanic Field (San Francisco Peaks; San Francisco Mts), Coconino Co., Arizona, USA	https://rruff.info/R040178

All locality data graciously provided by mindat.org

All age data...