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:
Dutch Flat, Dutch Flat District (Towle District), Placer Co., California, USA

mindat Locality ID: 215459
mindat URL: http://www.mindat.org/loc-215459.html

Tectonic Settings:

Total number of sublocalities beneath "Dutch Flat, Dutch Flat District (Towle District), Placer Co., California, USA": 16
Total number of bottom-level sublocalities: 15

Number of Child Localities: 15
Child Localities:
American Occurrence
Bear River Placer [2]
Big Blue Mine (Big Blue Quartz; Big Blue Claim; Vulture Claim)
Consolidated Junction Placer
Dutch Flat Drift Mine
Federal Placer (Federal Drift)
Flying Fish Placer
Hoose Placer
Nichols Diggings
North Star Mine [2] (North Star Quartz Mine)
Phoenix Mine (Badger; Potosi; Whynot; Buckeye; Theft & Boston; Dutch Flat; Blue Cut; Queen City)
Polar Star Mine
Pug Ugly Flat
Southern Cross Mine [2]
Unnamed Cr Occurrence [1]

Latitude: 39°12'21"N
Longitude: 120°50'34"W
Decimal Degree (lat, lon): 39.205833333333,-120.84277777778

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.

Chlorite	Clay	Copper	None	Quartz	Rocksalt	Spinel

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: Al Au Cr Fe H Mg O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chlorite Clay Copper None Quartz Rocksalt Spinel

5 IMA Minerals at location:

Chromite ()*	Clinochlore ()*	Galena ()*	Gold ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	166888	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	166888	1756
Galena ()*	Rocksalt	PbS	1	166875	24243
Gold ()*	Copper	Au	5	166875,166878,166879,166880,166882	30554
Quartz ()*	Quartz	SiO₂	2	166875,166882	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...