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:
Reforma Mine, Limestone Caves, Cuatro Ciénegas (Cuatrociénegas De Carranza; Venustiano Carranza), Cuatrociénegas Municipality, Coahuila, Mexico

Oldest recorded age at locality: 145
Youngest recorded age at locality: 66

mindat Locality ID: 19505
mindat URL: http://www.mindat.org/loc-19505.html

Tectonic Settings:

Total number of sublocalities beneath "Reforma Mine, Limestone Caves, Cuatro Ciénegas (Cuatrociénegas De Carranza; Venustiano Carranza), Cuatrociénegas Municipality, Coahuila, Mexico": 0
Total number of bottom-level sublocalities: 0

Latitude: 26°59'0"N
Longitude: 102°5'"W
Decimal Degree (lat, lon): 26.983333333333,-102.08333333333

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	Calcite	Clay	Corundum	Diaspore	Gypsum	Mica	None	Not in a structural group
Quartz	Scheelite

Anglesite ()*	Aragonite ()*	Calcite ()*	Cerussite ()*	Goethite ()*
Gypsum ()*	Hematite ()*	Hemimorphite ()*	Hydrozincite ()*	Muscovite ()*
Quartz ()*	Smithsonite ()*	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: Al C Ca Fe H K Mo O Pb S Si Zn

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mo O Pb S Si Zn

Structural Groups for minerals in this locality:
Aragonite Baryte Calcite Clay Corundum Diaspore Gypsum Mica None Not in a structural group
Quartz Scheelite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	145	66	2734
Aragonite ()*	Aragonite	Ca(CO₃)	145	66	3250
Calcite ()*	Calcite	Ca(CO₃)	145	66	27770
Cerussite ()*	Aragonite	Pb(CO₃)	145	66	4979
Goethite ()*	Diaspore	FeO(OH)	145	66	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	145	66	6890
Hematite ()*	Corundum	Fe₂O₃	145	66	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	145	66	1689
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	145	66	1066
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	145	66	17380
Quartz ()*	Quartz	SiO₂	145	66	61156
Smithsonite ()*	Calcite	Zn(CO₃)	145	66	2473
Wulfenite ()*	Scheelite	PbMoO₄	145	66	1655

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_000852	Cretaceous carbonate platform environment, now a karst environment

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
	Michelle_000852	145	66	Cretaceous		Age of limestone					Yes				211314	Limestone Caves, Cuatro Ciénegas (Cuatrociénegas De Carranza; Venustiano Carranza), Cuatrociénegas Municipality, Coahuila, Mexico	Limestone caves	Forti et al. (2006)	10.3986/ac.v35i1.245	AC35_79	Age of limestone hosting the caverns of Cuatro Ciénegas

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...