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:
Halfpint Range, Nye Co., Nevada, USA

Oldest recorded age at locality: 27.2
Youngest recorded age at locality: 27.4

mindat Locality ID: 263667
mindat URL: http://www.mindat.org/loc-263667.html

Tectonic Settings:

Total number of sublocalities beneath "Halfpint Range, Nye Co., Nevada, USA": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 1
Child Localities:
Oak Spring District

Latitude: 37°10'21"N
Longitude: 115°58'4"W
Decimal Degree (lat, lon): 37.1725,-115.96777777778

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.

Allophane	Amphibole	Aragonite	Brochantite	Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Epidote
Malachite	Molybdenite	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Rutile	Scheelite	Sphalerite
Vesuvianite

Azurite ()*	Brochantite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*
Chrysocolla ()*	Emmonsite ()*	Epidote ()*	Galena ()*	Gold ()*
Hematite ()*	Malachite ()*	Molybdenite ()*	Powellite ()*	Pyrite ()*
Pyrolusite ()*	Quartz ()*	Scheelite ()*	Silver ()*	Sphalerite ()*
Tremolite ()*	Vesuvianite ()*

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 Al Au C Ca Cu F Fe H Mg Mn Mo Na O Pb S Si Te W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Amphibole Aragonite Brochantite Calcite Chalcopyrite Clinozoisite Copper Corundum Epidote
Malachite Molybdenite None Not in a structural group Pyrite Quartz Rocksalt Rutile Scheelite Sphalerite
Vesuvianite

22 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
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	27.2	27.4	1	239574	5509
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	27.2	27.4	1	239574	1633
Calcite ()*	Calcite	Ca(CO₃)	27.2	27.4	1	239574	27770
Cerussite ()*	Aragonite	Pb(CO₃)	27.2	27.4	1	239574	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27.2	27.4	1	239574	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	27.2	27.4	1	239574	3531
Emmonsite ()*	None	Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O	27.2	27.4	1	239574	34
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	27.2	27.4	1	239574	8173
Galena ()*	Rocksalt	PbS	27.2	27.4	2	239574,239578	24243
Gold ()*	Copper	Au	27.2	27.4	1	239574	30554
Hematite ()*	Corundum	Fe₂O₃	27.2	27.4	1	239574	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	27.2	27.4	1	239574	12537
Molybdenite ()*	Molybdenite	MoS₂			3	239574,239575,239580	5800
Powellite ()*	Scheelite	Ca(MoO₄)			3	239575,239577,239580	494
Pyrite ()*	Pyrite	FeS₂	27.2	27.4	1	239574	39462
Pyrolusite ()*	Rutile	MnO₂	27.2	27.4	1	239574	3106
Quartz ()*	Quartz	SiO₂	27.2	27.4	1	239574	61156
Scheelite ()*	Scheelite	Ca(WO₄)			3	239574,239575,239580	4894
Silver ()*	Copper	Ag	27.2	27.4	1	239574	5186
Sphalerite ()*	Sphalerite	ZnS	27.2	27.4	1	239574	21482
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	27.2	27.4	1	239574	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	27.2	27.4	1	239574	1395

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
	NAVDAT-85407	27.2	27.4	27.3±-0.1					85407						40442	Michigan Boy Claims (Michigan Boy Group), Oak Spring District, Halfpint Range, Nye Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...