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:
Chalk Mountain District, Churchill Co., Nevada, USA

Oldest recorded age at locality: 144
Youngest recorded age at locality: 65

mindat Locality ID: 36422
mindat URL: http://www.mindat.org/loc-36422.html

Tectonic Settings:

Total number of sublocalities beneath "Chalk Mountain District, Churchill Co., Nevada, USA": 13
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Berg Claims (NBMG Sample Site 3800; West Side Mines In Part; NBMG Sample Site 3873.)
Chalk Mountain
Corey No. 2 Claim
Dixie No. 5 Claim
Skarn No. 1 Claim
Sol's Grub Stake (NBMG Sample Site 3884)
Treasure Hill Claims (NBMG Sample Site 3878)
Unnamed Prospect
Unnamed Prospect (2)
Unnamed Prospect (3)
Unnamed Prospect (4)

Latitude: 39°18'50"N
Longitude: 118°8'2"W
Decimal Degree (lat, lon): 39.313888888889,-118.13388888889

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.

Adelite	Allophane	Alunite	Andalusite	Apatite	Aragonite	Baryte	Bismutite	Calcite	Chalcopyrite
Chlorite	Clay	Clinozoisite	Copper	Corundum	Descloizite	Diaspore	Epidote	Fluorite	Malachite
Molybdenite	None	Not in a structural group	Pottsite	Pyrite	Quartz	Rocksalt	Scheelite	Spinel

Adamite ()*	Anglesite ()*	Aurichalcite ()*	Austinite ()*	Baryte ()*
Bismutite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Chrysocolla ()*	Clinobisvanite ()*	Clinochlore ()*	Copper ()*	Descloizite ()*
Epidote ()*	Fluorite ()*	Galena ()*	Goethite ()*	Hematite ()*
Hemimorphite ()*	Hydromagnesite ()*	Jarosite ()*	Leadhillite ()*	Magnetite ()*
Mcguinnessite ()*	Mimetite ()*	Molybdenite ()*	Plumbojarosite ()*	Pottsite ()*
Powellite ()*	Pyrite ()*	Pyromorphite ()*	Quartz ()*	Scheelite ()*
Vanadinite ()*	Wulfenite ()*

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 As Ba Bi C Ca Cl Cu F Fe H K Mg Mo O P Pb S Si V W Zn

Elements from minerals reported directly at this locality: Cu Fe H K Mo O S

Structural Groups for minerals in this locality:
Adelite Allophane Alunite Andalusite Apatite Aragonite Baryte Bismutite Calcite Chalcopyrite
Chlorite Clay Clinozoisite Copper Corundum Descloizite Diaspore Epidote Fluorite Malachite
Molybdenite None Not in a structural group Pottsite Pyrite Quartz Rocksalt Scheelite Spinel

37 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
Adamite ()*	Andalusite	Zn₂(AsO₄)(OH)	144	65	1	234692	254
Anglesite ()*	Baryte	Pb(SO₄)	144	65	1	234685	2734
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	144	65	1	234687	919
Austinite ()*	Adelite	CaZn(AsO₄)(OH)	144	65	1	234692	71
Baryte ()*	Baryte	Ba(SO₄)	144	65	1	234689	11547
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	144	65	1	234693	716
Calcite ()*	Calcite	Ca(CO₃)	144	65	2	234685,234689	27770
Cerussite ()*	Aragonite	Pb(CO₃)	144	65	1	234685	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	144	65	0		27198
Chlorargyrite ()*	Rocksalt	AgCl	144	65	1	234685	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	144	65	1	234694	3531
Clinobisvanite ()*	None	Bi(VO₄)	144	65	1	234693	36
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	144	65	1	234685	1756
Copper ()*	Copper	Cu	144	65	1	234685	3846
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)	144	65	1	234685	378
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	144	65	2	234683,234689	8173
Fluorite ()*	Fluorite	CaF₂	144	65	3	234685,234689,234695	9617
Galena ()*	Rocksalt	PbS	144	65	1	234685	24243
Goethite ()*	Diaspore	FeO(OH)	144	65	0		7437
Hematite ()*	Corundum	Fe₂O₃	144	65	1	234685	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	144	65	5	234683,234685,234689,234692,234694	1689
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	144	65	4	234685,234687,234688,234689	341
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	144	65	0		2228
Leadhillite ()*	None	Pb₄(SO₄)(CO₃)₂(OH)₂	144	65	1	234685	265
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	144	65	1	234689	14899
Mcguinnessite ()*	Malachite	CuMg(CO₃)(OH)₂	144	65	4	234685,234687,234688,234689	34
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl	144	65	1	234685	1107
Molybdenite ()*	Molybdenite	MoS₂	144	65	0		5800
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	144	65	1	234685	477
Pottsite ()*	Pottsite	(Pb₃Bi)Bi(VO₄)₄·H₂O	144	65	1	234693	4
Powellite ()*	Scheelite	Ca(MoO₄)	144	65	1	234689	494
Pyrite ()*	Pyrite	FeS₂	144	65	1	234689	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	144	65	1	234686	1725
Quartz ()*	Quartz	SiO₂	144	65	3	234685,234690,234695	61156
Scheelite ()*	Scheelite	Ca(WO₄)	144	65	1	234689	4894
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl	144	65	2	234685,234693	605
Wulfenite ()*	Scheelite	PbMoO₄	144	65	2	234685,234693	1655

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-118417	144	65	104+40/-39					118417						36422	Chalk Mountain District, Churchill Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...