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:
Sweetland, North San Juan District, Nevada Co., California, USA

Oldest recorded age at locality: 201
Youngest recorded age at locality: 145

mindat Locality ID: 219838
mindat URL: http://www.mindat.org/loc-219838.html

Tectonic Settings:

Total number of sublocalities beneath "Sweetland, North San Juan District, Nevada Co., California, USA": 11
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Alameda Placer Mine
Boss Mine (Boss Con Qtz.; San Juan Mine)
Buckeye Hill
Bunker Hill Placer
John Armstrong Property
Keystone Placer
Malone Consolidated Placer (Malone Cons.; Optimo Placer Mine)
Mammoth Gold Copper Mine
Newton Deposit
Sweetland Creek Placer
Unnamed Cu Property [4]

Latitude: 39°20'19"N
Longitude: 121°6'53"W
Decimal Degree (lat, lon): 39.338611111111,-121.11472222222

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.

Chalcanthite	Chalcopyrite	Copper	None	Pyrite	Quartz

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 C Cu Fe H O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcanthite Chalcopyrite Copper None Pyrite Quartz

9 IMA Minerals at location:

Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Copper ()*	Gold ()*
Graphite ()*	Pyrite ()*	Quartz ()*	Silver ()*

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
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			1	166191	925
Chalcocite ()*	None	Cu₂S			1	166191	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	201	145	1	166190	27198
Copper ()*	Copper	Cu			1	166191	3846
Gold ()*	Copper	Au	201	145	4	166189,166190,166193,166196	30554
Graphite ()*	None	C			1	166191	2812
Pyrite ()*	Pyrite	FeS₂	201	145	1	166190	39462
Quartz ()*	Quartz	SiO₂			1	166196	61156
Silver ()*	Copper	Ag	201	145	1	166190	5186

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
	vms-01025	201	145	Jurassic											83894	Boss Mine (Boss Con Qtz.; San Juan Mine), Sweetland, North San Juan District, Nevada Co., California, USA	Boss	Moiser et al. (2009)		USGSOFR2009-1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...