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:
Purdie Ridge, Tehachapi Mts, Kern Co., California, USA

Oldest recorded age at locality: 113.1
Youngest recorded age at locality: 90

mindat Locality ID: 272637
mindat URL: http://www.mindat.org/loc-272637.html

Tectonic Settings:

Total number of sublocalities beneath "Purdie Ridge, Tehachapi Mts, Kern Co., California, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Marble Spring Canyon Deposit

Latitude: 34°54'22"N
Longitude: 118°40'45"W
Decimal Degree (lat, lon): 34.906111111111,-118.67916666667

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

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Bradley_2012_156	100	90	95±5	U/Pb		zircon	Yes	Zircon	213077	Tehachapi Mts, Kern Co., California, USA	[Tehachapi Mtns]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
USGS-U-Th-Pb-02507_206_238	113	113	113	206_238	age of intrusion	zircon		Zircon	272637	Purdie Ridge, Tehachapi Mts, Kern Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-02507_207_206	108	108	108	207_206	age of intrusion	zircon		Zircon	272637	Purdie Ridge, Tehachapi Mts, Kern Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-02507_207_235	113.1	113.1	113.1	207_235	age of intrusion	zircon		Zircon	272637	Purdie Ridge, Tehachapi Mts, Kern Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...