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:
Unnamed Au Occurrence [53], Auburn, Ophir District (Auburn District; Duncan Hill District), Placer Co., California, USA

mindat Locality ID: 85892
mindat URL: http://www.mindat.org/loc-85892.html

Tectonic Settings:

Total number of sublocalities beneath "Unnamed Au Occurrence [53], Auburn, Ophir District (Auburn District; Duncan Hill District), Placer Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°54'34"N
Longitude: 121°4'29"W
Decimal Degree (lat, lon): 38.909444444444,-121.07472222222

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.

No IMA Minerals occur at this locality according to mindat

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...