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:
Jamestown Mine (Jamestown Group), Jamestown, Jamestown District, Mother Lode Belt, Tuolumne Co., California, USA

Oldest recorded age at locality: 5.3
Youngest recorded age at locality: 0

mindat Locality ID: 3582
mindat URL: http://www.mindat.org/loc-3582.html

Tectonic Settings:

Total number of sublocalities beneath "Jamestown Mine (Jamestown Group), Jamestown, Jamestown District, Mother Lode Belt, Tuolumne Co., California, USA": 10
Total number of bottom-level sublocalities: 7

Number of Child Localities: 6
Child Localities:
Crystalline Mine
Dutch-App Mine (Dutch Application; Dutch-App Group; Dutch Claim; App Claim; Heslep Claim; Hitchcock Claim)
Harvard Mine (Harvard Mine Group; McCann Claim; Mooney Claim; Pacific Claim; Vulture Claim; Trio Claim; Sobrante Claim)
Jumper & Golden Rule Group (Jumper Mine; Jumper Claim; Jumper Deposit; New Era Claim)
Rawhide Mine (Rawhide Deposit; Paducah)
Santa Isabel Nyman Consolidated Group (Nyman Consolidated Group; Santa Ysabel Consolidated Mine; Knox And Boyle Claim; Miller And Holmes Claim; Nyman Claim)

Latitude: 37°56'9"N
Longitude: 120°25'47"W
Decimal Degree (lat, lon): 37.935833333333,-120.42972222222

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.

Acanthite	Apatite	Calcite	Chalcopyrite	Clay	Cobaltite	Copper	Corundum	Melonite	Mica
Millerite	None	Pyrite	Quartz	Rocksalt	Rutile	Serpentine	Sphalerite	Spinel	Talc
Tetradymite	Tetrahedrite	Titanite

Acanthite ()*	Altaite ()*	Ankerite ()*	Calaverite ()*	Calcite ()*
Chalcopyrite ()*	Chenguodaite ()*	Chromite ()*	Chrysotile ()*	Cobaltite ()*
Coloradoite ()*	Dolomite ()*	Fluorapatite ()*	Galena ()*	Gold ()*
Graphite ()*	Hessite ()*	Ilmenite ()*	Imiterite ()*	Magnesite ()*
Magnetite ()*	Melonite ()*	Millerite ()*	Muscovite ()*	Gersdorffite-Pa3 ()*
Petzite ()*	Pyrite ()*	Quartz ()*	Rutile ()*	Siderite ()*
Siegenite ()*	Sphalerite ()*	Sylvanite ()*	Talc ()*	Tellurium ()*
Tennantite-(Fe) ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*

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 Au Bi C Ca Co Cr Cu F Fe H Hg K Mg Ni O P Pb S Sb Si Te Ti Zn

Elements from minerals reported directly at this locality: As C Ca Co Cr Cu F Fe H Hg Mg Ni O P S Si Te Ti Zn

Structural Groups for minerals in this locality:
Acanthite Apatite Calcite Chalcopyrite Clay Cobaltite Copper Corundum Melonite Mica
Millerite None Pyrite Quartz Rocksalt Rutile Serpentine Sphalerite Spinel Talc
Tetradymite Tetrahedrite Titanite

39 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	5.3	1	183478	2793
Altaite ()*	Rocksalt	PbTe	5.3	1	183480	489
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	5.3	1	183479	3092
Calaverite ()*	Melonite	AuTe₂	5.3	1	183480	361
Calcite ()*	Calcite	Ca(CO₃)	5.3	2	183480,183481	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	5.3	0		27198
Chenguodaite ()*	None	Ag₉FeTe₂S₄	5.3	1	183478	2
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	5.3	0		3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	5.3	0		951
Cobaltite ()*	Cobaltite	CoAsS	5.3	0		966
Coloradoite ()*	Sphalerite	HgTe	5.3	0		169
Dolomite ()*	None	CaMg(CO₃)₂	5.3	5	183477,183480,183481,183482,183483	9895
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	5.3	0		2740
Galena ()*	Rocksalt	PbS	5.3	1	183478	24243
Gold ()*	Copper	Au	5.3	8	183475,183477,183478,183479,183480,183481,183482,183483	30554
Graphite ()*	None	C	5.3	0		2812
Hessite ()*	None	Ag₂Te	5.3	2	183480,183481	804
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5.3	0		5433
Imiterite ()*	None	Ag₂HgS₂	5.3	1	183480	17
Magnesite ()*	Calcite	Mg(CO₃)	5.3	1	183480	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	5.3	0		14899
Melonite ()*	Melonite	NiTe₂	5.3	0		207
Millerite ()*	Millerite	NiS	5.3	0		1066
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5.3	2	183478,183482	17380
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	5.3	0		767
Petzite ()*	None	Ag₃AuTe₂	5.3	2	183478,183480	409
Pyrite ()*	Pyrite	FeS₂	5.3	3	183479,183480,183482	39462
Quartz ()*	Quartz	SiO₂	5.3	4	183477,183478,183479,183480	61156
Rutile ()*	Rutile	TiO₂	5.3	0		5614
Siderite ()*	Calcite	Fe(CO₃)	5.3	0		6417
Siegenite ()*	Spinel	CoNi₂S₄	5.3	0		249
Sphalerite ()*	Sphalerite	ZnS	5.3	0		21482
Sylvanite ()*	Melonite	AgAuTe₄	5.3	1	183480	337
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	5.3	1	183477	3337
Tellurium ()*	None	Te	5.3	0		190
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	5.3	1	183482	1803
Tetradymite ()*	Tetradymite	Bi₂Te₂S	5.3	2	183480,183481	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5.3	1	183480	5317
Titanite ()*	Titanite	CaTi(SiO₄)O	5.3	0		4899

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
	Hg-00034	5.3	0		?-?								Imiterite	Hg	3581	Golden Rule Mine, Jumper & Golden Rule Group (Jumper Mine; Jumper Claim; Jumper Deposit; New Era Claim), Jamestown Mine (Jamestown Group), Jamestown, Jamestown District, Mother Lode Belt, Tuolumne Co., California, USA	California Mercury Occurrences	Studemeister (1984)	10.1007/BF00199786	MD19_202

All locality data graciously provided by mindat.org

All age data...