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:
Highbridge Vein, Belmont District, Toquima Range, Nye Co., Nevada, USA

Oldest recorded age at locality: 27
Youngest recorded age at locality: 19.8

mindat Locality ID: 40064
mindat URL: http://www.mindat.org/loc-40064.html

Tectonic Settings:

Total number of sublocalities beneath "Highbridge Vein, Belmont District, Toquima Range, Nye Co., Nevada, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Allargentum	Molybdenite	None	Polybasite	Pyrochlore	Rocksalt	Sphalerite	Tetrahedrite

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 Cl Cu H Mo O Pb S Sb Zn

Elements from minerals reported directly at this locality: Ag As Cl Cu H Mo O Pb S Sb Zn

Structural Groups for minerals in this locality:
Allargentum Molybdenite None Polybasite Pyrochlore Rocksalt Sphalerite Tetrahedrite

9 IMA Minerals at location:

Chlorargyrite ()*	Dyscrasite ()*	Galena ()*	Molybdenite ()*	Polybasite ()*
Sphalerite ()*	Stetefeldtite ()*	Stromeyerite ()*	Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Chlorargyrite ()*	Rocksalt	AgCl	27	19.8	1382
Dyscrasite ()*	Allargentum	Ag_3+xSb_1-x (x ≈ 0.2)	27	19.8	180
Galena ()*	Rocksalt	PbS	27	19.8	24243
Molybdenite ()*	Molybdenite	MoS₂	27	19.8	5800
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	27	19.8	716
Sphalerite ()*	Sphalerite	ZnS	27	19.8	21482
Stetefeldtite ()*	Pyrochlore	Ag₂Sb₂(O,OH)₇	27	19.8	22
Stromeyerite ()*	None	CuAgS	27	19.8	332
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	27	19.8	5317

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Kristen000222	27	24.8	25.9±1.1	fission track	zircon	DRS-74-266	Yes	Zircon	261556	Toquima Range, Nye Co., Nevada, USA	Toquima Range	Shawe et al. (1986)	10.2113/gsecongeo.81.2.388	EG81_388
Kristen000240	23.4	21.4	22.4±1	fission track	zircon	DRS-80-60	Yes	Zircon	261556	Toquima Range, Nye Co., Nevada, USA	Toquima Range	Shawe et al. (1986)	10.2113/gsecongeo.81.2.388	EG81_388
Kristen000241	24.6	19.8	22.2±2.4	fission track	apatite	DRS-80-60	Yes		261556	Toquima Range, Nye Co., Nevada, USA	Toquima Range	Shawe et al. (1986)	10.2113/gsecongeo.81.2.388	EG81_388

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...