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:
Valle Fértil Department, San Juan Province, Argentina

Oldest recorded age at locality: 254
Youngest recorded age at locality: 238

mindat Locality ID: 239836
mindat URL: http://www.mindat.org/loc-239836.html

Tectonic Settings:

Total number of sublocalities beneath "Valle Fértil Department, San Juan Province, Argentina": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Parque Provincial Reserva Natural Valle De La Luna (Ischigualasto)
San Agustin Del Valle Fértil
Yanzi Deposit (Bella Blenda; Crystal Blenda)

Latitude: 30°55'32"S
Longitude: 67°33'57"W
Decimal Degree (lat, lon): -30.925555555556,-67.565833333333

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.

Alunite	Amorphous	Calcite	Clay	Clinozoisite	Copper	Epidote	Feldspar	Mica	Monazite
Natrolite	None	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel

Calcite ()*	Epidote ()*	Galena ()*	Gold ()*	Jarosite ()*
Magnetite ()*	Microcline ()*	Monazite-(Ce) ()*	Muscovite ()*	Natrolite ()*
Opal ()*	Pyrite ()*	Quartz ()*	Siderite ()*	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 Au C Ca Ce Fe H K Na O P Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Amorphous Calcite Clay Clinozoisite Copper Epidote Feldspar Mica Monazite
Natrolite None Pyrite Quartz Rocksalt Sphalerite Spinel

15 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
Calcite ()*	Calcite	Ca(CO₃)			1	3449	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	254	238	1	3452	8173
Galena ()*	Rocksalt	PbS	254	238	1	3452	24243
Gold ()*	Copper	Au	254	238	1	3452	30554
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	254	238	1	3452	2228
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	254	238	1	3452	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	3451	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)			1	3451	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	3451	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	3450	1236
Opal ()*	Amorphous	SiO₂·nH₂O			1	3449	2994
Pyrite ()*	Pyrite	FeS₂	254	238	1	3452	39462
Quartz ()*	Quartz	SiO₂			2	3449,3451	61156
Siderite ()*	Calcite	Fe(CO₃)	254	238	1	3452	6417
Sphalerite ()*	Sphalerite	ZnS	254	238	1	3452	21482

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
	sedznpb-00008	254	238	246±8											270089	Yanzi Deposit (Bella Blenda; Crystal Blenda), Valle Fértil Department, San Juan Province, Argentina	Yanzi	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...