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:
Perkins Prospects (old Washington Mine?), Barcelona District (Spanish Belt District), Toquima Range, Nye Co., Nevada, USA

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

mindat Locality ID: 40047
mindat URL: http://www.mindat.org/loc-40047.html

Tectonic Settings:

Total number of sublocalities beneath "Perkins Prospects (old Washington Mine?), Barcelona District (Spanish Belt 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.

Chalcopyrite	Fluorite	Malachite	Molybdenite	Nickeline	None	Pyrite	Quartz	Spinel	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: C Ca Cu F Fe H Mo O S Sb Si

Elements from minerals reported directly at this locality: C Ca Cu F Fe H Mo O S Sb Si Zn

Structural Groups for minerals in this locality:
Chalcopyrite Fluorite Malachite Molybdenite Nickeline None Pyrite Quartz Spinel Tetrahedrite

10 IMA Minerals at location:

Bornite ()*	Chalcopyrite ()*	Fluorite ()*	Magnetite ()*	Malachite ()*
Molybdenite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Bornite ()*	None	Cu₅FeS₄	27	19.8	5516
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27	19.8	27198
Fluorite ()*	Fluorite	CaF₂	27	19.8	9617
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	27	19.8	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	27	19.8	12537
Molybdenite ()*	Molybdenite	MoS₂	27	19.8	5800
Pyrite ()*	Pyrite	FeS₂	27	19.8	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	27	19.8	9056
Quartz ()*	Quartz	SiO₂	27	19.8	61156
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...