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:
Nopal Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico

Oldest recorded age at locality: 30.7
Youngest recorded age at locality: 27.4

mindat Locality ID: 16834
mindat URL: http://www.mindat.org/loc-16834.html

Tectonic Settings:

Total number of sublocalities beneath "Nopal Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico": 0
Total number of bottom-level sublocalities: 0

Latitude: 21°0'0"N
Longitude: 101°16'"W
Decimal Degree (lat, lon): 21,-101.26666666667

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.

Amphibole	Copper	Fluorite	Molybdenite	None	Polybasite

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 Ca Cu F Fe H Mg Mo O S Sb Si

Elements from minerals reported directly at this locality: Ag As Ca Cu F Fe H Mg Mo O S Sb Si

Structural Groups for minerals in this locality:
Amphibole Copper Fluorite Molybdenite None Polybasite

7 IMA Minerals at location:

Fluorite ()*	Molybdenite ()*	Polybasite ()*	Pyrargyrite ()*	Silver ()*
Stephanite ()*	Tremolite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Fluorite ()*	Fluorite	CaF₂	30.7	27.4	9617
Molybdenite ()*	Molybdenite	MoS₂	30.7	27.4	5800
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	30.7	27.4	716
Pyrargyrite ()*	None	Ag₃SbS₃	30.7	27.4	1425
Silver ()*	Copper	Ag	30.7	27.4	5186
Stephanite ()*	None	Ag₅SbS₄	30.7	27.4	586
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	30.7	27.4	2562

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
EG98_1029_tbl_1_014	epithermal

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
	EG98_1029_tbl_1_014	30.7	27.4	27.4–30.7	K-Ar						Yes				2322	Guanajuato, Guanajuato Municipality, Guanajuato, Mexico	Guanajuato	Camprubi et al. (2003)	10.2113/gsecongeo.98.5.1029	EG98_1029

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...