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:
Proano Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico

Oldest recorded age at locality: 32
Youngest recorded age at locality: 28

mindat Locality ID: 11241
mindat URL: http://www.mindat.org/loc-11241.html

Tectonic Settings:

Total number of sublocalities beneath "Proano Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico": 0
Total number of bottom-level sublocalities: 0

Latitude: 22°18'0"N
Longitude: 101°35'"W
Decimal Degree (lat, lon): 22.3,-101.58333333333

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.

Copper	None	Polybasite	Quartz

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 Cu O S Sb Si

Elements from minerals reported directly at this locality: Ag As Cu O S Sb Si

Structural Groups for minerals in this locality:
Copper None Polybasite Quartz

5 IMA Minerals at location:

Polybasite ()*	Pyrargyrite ()*	Quartz ()*	Silver ()*	Stephanite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	32	28	716
Pyrargyrite ()*	None	Ag₃SbS₃	32	28	1425
Quartz ()*	Quartz	SiO₂	32	28	61156
Silver ()*	Copper	Ag	32	28	5186
Stephanite ()*	None	Ag₅SbS₄	32	28	586

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
EG98_1029_tbl_1_030	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_030	32	28	32–28	K-Ar						Yes				4523	Fresnillo De Gonzalez Echeverria (Fresnillo), Fresnillo Municipality, Zacatecas, Mexico	Fresnillo	Camprubi et al. (2003)	10.2113/gsecongeo.98.5.1029	EG98_1029

Sample	Source Locality	Reference URL
R050143	Proano Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico	https://rruff.info/R050143

All locality data graciously provided by mindat.org

All age data...