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:
Toy District, Churchill Co., Nevada, USA

Oldest recorded age at locality: 95.7
Youngest recorded age at locality: 78.3

mindat Locality ID: 36527
mindat URL: http://www.mindat.org/loc-36527.html

Tectonic Settings:

Total number of sublocalities beneath "Toy District, Churchill Co., Nevada, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Bonanza King Group
Hardscrabble Claim (Granite Mine)
Payday-Lobo Mine (United Tungsten Property)
St. Anthony Mine (Toy Mine)
Zeolite Deposit

Latitude: 39°59'46"N
Longitude: 118°42'28"W
Decimal Degree (lat, lon): 39.996111111111,-118.70777777778

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.

Calcite	Chalcopyrite	Clay	Clinozoisite	Epidote	Fluorite	None	Pyrite	Pyroxene	Quartz
Rocksalt	Scheelite	Smectite-vermiculite	Sphalerite	Stibnite

Calcite ()*	Chalcopyrite ()*	Clinozoisite ()*	Diopside ()*	Epidote ()*
Fluorite ()*	Galena ()*	Hydrotungstite ()*	Nontronite ()*	Pyrite ()*
Quartz ()*	Scheelite ()*	Sphalerite ()*	Stibnite ()*

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 Cu F Fe H Mg Na O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality: S Sb

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Clinozoisite Epidote Fluorite None Pyrite Pyroxene Quartz
Rocksalt Scheelite Smectite-vermiculite Sphalerite Stibnite

14 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)	95.7	78.3	1	234943	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	95.7	78.3	1	234943	27198
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	95.7	78.3	1	234943	1025
Diopside ()*	Pyroxene	CaMgSi₂O₆	95.7	78.3	1	234943	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	95.7	78.3	1	234943	8173
Fluorite ()*	Fluorite	CaF₂	95.7	78.3	1	234943	9617
Galena ()*	Rocksalt	PbS	95.7	78.3	1	234943	24243
Hydrotungstite ()*	None	WO₂(OH)₂·H₂O	95.7	78.3	1	234943	13
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	95.7	78.3	1	234943	471
Pyrite ()*	Pyrite	FeS₂	95.7	78.3	1	234943	39462
Quartz ()*	Quartz	SiO₂	95.7	78.3	1	234943	61156
Scheelite ()*	Scheelite	Ca(WO₄)	95.7	78.3	4	234940,234941,234942,234943	4894
Sphalerite ()*	Sphalerite	ZnS	95.7	78.3	1	234943	21482
Stibnite ()*	Stibnite	Sb₂S₃	95.7	78.3	0		3418

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-127256	95.7	78.3	87±8.7					127256						60935	St. Anthony Mine (Toy Mine), Toy District, Churchill Co., Nevada, USA		NAVDAT		NAVDAT
	NAVDAT-127257	95.7	78.3	87±8.7					127257						60935	St. Anthony Mine (Toy Mine), Toy District, Churchill Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...