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:
Knights Ferry, Stanislaus Co., California, USA

Oldest recorded age at locality: 65
Youngest recorded age at locality: 0

mindat Locality ID: 95907
mindat URL: http://www.mindat.org/loc-95907.html

Tectonic Settings:

Total number of sublocalities beneath "Knights Ferry, Stanislaus Co., California, USA": 13
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Alto Placer
Bartlett Ranch Deposit
C And E Dredging Company Placer
C. F. Vanciel Placer (Halter Mine ?)
California Ocher Mining Company
Dell Neo Mining Company
Frymiers Ranch Placer Mine
Placer Properties Company Placer (Placer Properties Co.)
Unnamed Au Placer Mine (7)
Unnamed Placer Au Mine (4)
Voyle Mine
Weidman Ranch Occurrence
Winkler Property

Latitude: 37°49'19"N
Longitude: 120°41'8"W
Decimal Degree (lat, lon): 37.821944444444,-120.68555555556

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.

Copper	None	Pyrite

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: As Au Ir Pt S

Elements from minerals reported directly at this locality: As Ir Pt S

Structural Groups for minerals in this locality:
Copper None Pyrite

6 IMA Minerals at location:

Cooperite ()*	Gold ()*	Irarsite ()*	Iridium ()*	Platinum ()*
Sperrylite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Cooperite ()*	None	PtS	65	0		124
Gold ()*	Copper	Au	65	5	180666,180669,180672,180674,180675	30554
Irarsite ()*	Pyrite	IrAsS	65	0		154
Iridium ()*	Copper	Ir	65	0		162
Platinum ()*	Copper	Pt	65	0		485
Sperrylite ()*	Pyrite	PtAs₂	65	0		337

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-7500	65	0	32.5±32.5					7500						95868	C. F. Vanciel Placer (Halter Mine ?), Knights Ferry, Stanislaus Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...