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:
Alum Mountain District (Alum District), Grant Co., New Mexico, USA

Oldest recorded age at locality: 39.5
Youngest recorded age at locality: 28.7

mindat Locality ID: 3980
mindat URL: http://www.mindat.org/loc-3980.html

Tectonic Settings:

Total number of sublocalities beneath "Alum Mountain District (Alum District), Grant Co., New Mexico, USA": 10
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Alum Canyon
Alum Mountain
Alunogen No. 2 Tunnel
Alunogen No. 4 Tunnel
East Fork Gila River
Gila Hot Springs
Middle Fork Gila River

Latitude: 33°8'49"N
Longitude: 108°12'7"W
Decimal Degree (lat, lon): 33.146944444444,-108.20194444444

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.

Amorphous	Analcime	Apophyllite	Calcite	Chabazite	Clay	Gypsum	Halotrichite	Heulandite	Kaolinite
Lévyne	Mica	Natrolite	None	Not in a structural group	Pyrite	Quartz	Serpentine	Stilbite	Thomsonite

Alunite ()*	Alunogen ()*	Analcime ()*	Antigorite ()*	Calcite ()*
Celadonite ()*	Chabazite-Ca ()*	Fluorapophyllite-(K) ()*	Gonnardite ()*	Gypsum ()*
Halotrichite ()*	Heulandite-Ca ()*	Kaolinite ()*	Lévyne-Ca ()*	Mesolite ()*
Offretite ()*	Opal ()*	Pyrite ()*	Quartz ()*	Stilbite-Ca ()*
Thomsonite-Ca ()*

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 F Fe H K Mg Na O S Si

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

Structural Groups for minerals in this locality:
Amorphous Analcime Apophyllite Calcite Chabazite Clay Gypsum Halotrichite Heulandite Kaolinite
Lévyne Mica Natrolite None Not in a structural group Pyrite Quartz Serpentine Stilbite Thomsonite

21 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
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	39.5	28.7	0		966
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	39.5	34.9	3	244778,244781,244782	272
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			3	244783,244784,244785	1627
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	39.5	28.7	0		708
Calcite ()*	Calcite	Ca(CO₃)			2	244783,244785	27770
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂			1	244785	309
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O			1	244785	310
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O			2	244785,244786	303
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O			1	244785	167
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	39.5	28.7	0		6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O			1	244781	409
Heulandite-Ca ()*	Heulandite	(Ca,Na,K)₅(Si₂₇Al₉)O₇₂·26H₂O			1	244785	246
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	39.5	28.7	0		5591
Lévyne-Ca ()*	Lévyne	Ca₃(Si₁₂Al₆)O₃₆·18H₂O			1	244785	42
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O			2	244783,244785	425
Offretite ()*	Not in a structural group	KCaMg(Si₁₃Al₅)O₃₆·15H₂O	39.5	28.7	0		146
Opal ()*	Amorphous	SiO₂·nH₂O	39.5	28.7	0		2994
Pyrite ()*	Pyrite	FeS₂	39.5	28.7	0		39462
Quartz ()*	Quartz	SiO₂	30.7	28.7	4	244780,244783,244784,244785	61156
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O			1	244785	268
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O			1	244785	452

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
	NAVDAT-17533	39.5	34.9	37.2±2.3					17533						248088	Alum Canyon, Alum Mountain District (Alum District), Grant Co., New Mexico, USA		NAVDAT		NAVDAT
	NAVDAT-17747	30.7	28.7	29.7±1					17747						248087	Alum Mountain, Alum Mountain District (Alum District), Grant Co., New Mexico, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...