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:
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

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

mindat Locality ID: 97884
mindat URL: http://www.mindat.org/loc-97884.html

Tectonic Settings:

Total number of sublocalities beneath "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": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Golden Rule Mine
Jumper Mine

Latitude: 37°54'37"N
Longitude: 120°24'45"W
Decimal Degree (lat, lon): 37.910277777778,-120.4125

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.

Calcite	Copper	Melonite	None	Pyrite	Quartz	Rocksalt	Tetradymite	Tetrahedrite

Altaite ()*	Ankerite ()*	Calaverite ()*	Calcite ()*	Dolomite ()*
Gold ()*	Hessite ()*	Imiterite ()*	Magnesite ()*	Petzite ()*
Pyrite ()*	Quartz ()*	Sylvanite ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*

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 Au Bi C Ca Cu Fe Hg Mg O Pb S Sb Si Te

Elements from minerals reported directly at this locality: C Ca Fe Mg O

Structural Groups for minerals in this locality:
Calcite Copper Melonite None Pyrite Quartz Rocksalt Tetradymite Tetrahedrite

15 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
Altaite ()*	Rocksalt	PbTe	5.3	1	183480	489
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	5.3	0		3092
Calaverite ()*	Melonite	AuTe₂	5.3	1	183480	361
Calcite ()*	Calcite	Ca(CO₃)	5.3	2	183480,183481	27770
Dolomite ()*	None	CaMg(CO₃)₂	5.3	2	183480,183481	9895
Gold ()*	Copper	Au	5.3	2	183480,183481	30554
Hessite ()*	None	Ag₂Te	5.3	2	183480,183481	804
Imiterite ()*	None	Ag₂HgS₂	5.3	1	183480	17
Magnesite ()*	Calcite	Mg(CO₃)	5.3	1	183480	1487
Petzite ()*	None	Ag₃AuTe₂	5.3	1	183480	409
Pyrite ()*	Pyrite	FeS₂	5.3	1	183480	39462
Quartz ()*	Quartz	SiO₂	5.3	1	183480	61156
Sylvanite ()*	Melonite	AgAuTe₄	5.3	1	183480	337
Tetradymite ()*	Tetradymite	Bi₂Te₂S	5.3	2	183480,183481	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5.3	1	183480	5317

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

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...