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:Forest Hill District, Placer Co., California, USAOldest recorded age at locality: 388Youngest recorded age at locality: 311mindat Locality ID: 215877mindat URL:http://www.mindat.org/loc-215877.htmlTectonic Settings: Total number of sublocalities beneath "Forest Hill District, Placer Co., California, USA": 123Total number of bottom-level sublocalities: 116Number of Child Localities: 5Child Localities:BathForesthillGas CanyonTodd ValleyYankee JimsLatitude: 39°0'21"NLongitude: 120°51'25"WDecimal Degree (lat, lon): 39.005833333333,-120.85694444444
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.
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: AlAuCCaCrFeHKMgMnNaOSiElements from minerals reported directly at this locality: Structural Groups for minerals in this locality:
Poco Tiempo Quartz Mine, Lehigh Canyon Patent Property (Poco Tiempo Quartz Mine; Buttercup Chrome Occurrence), Bath, Forest Hill District, Placer Co., California, USA