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:
Henry Diggings, Indian Diggings District, El Dorado Co., California, USA

mindat Locality ID: 264162
mindat URL: http://www.mindat.org/loc-264162.html

Tectonic Settings:

Total number of sublocalities beneath "Henry Diggings, Indian Diggings District, El Dorado Co., California, USA": 19
Total number of bottom-level sublocalities: 19

Number of Child Localities: 19
Child Localities:
Armstrong Mine (Armstrong & Roberts Mine)
Caldor Mine
Christian Mine
Cousin Jack Mine
Crystal Mine [2] (Mountain Quail Claim; Creole Claim; Crystal Claim; Creole North Claim)
Dailey And Bishop Mine
Gloriana Mine (Glorianna)
Irish Slide Mine
Jones Mine
Last Chance Mine [1]
Little Bill Mine
Lucky Jack Mine [2]
McKim Mine
Old Chink Placer Mine
Old Empire Mine
Payne Mine
Polar Bear Mine (White Bear; Empire Group)
Tom Cat And Cedar Grove Mine (Tom Cat Mine; Tom Cat Claim; Cedar Grove Claim)
Trinity Placer Mines

Latitude: 38°36'5"N
Longitude: 120°33'26"W
Decimal Degree (lat, lon): 38.601388888889,-120.55722222222

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	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: Au O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Copper None Quartz

2 IMA Minerals at location:

Gold ()*	Quartz ()*

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
Gold ()*	Copper	Au			13	154360,154361,154362,154363,154364,154365,154366,154367,154372,154373,154375,154376,154377	30554
Quartz ()*	Quartz	SiO₂			6	154360,154363,154364,154366,154376,154377	61156

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...