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:
Dehesa, San Diego Co., California, USA

mindat Locality ID: 3556
mindat URL: http://www.mindat.org/loc-3556.html

Tectonic Settings:

Total number of sublocalities beneath "Dehesa, San Diego Co., California, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Dehesa Deposit
McGinty Mountain Deposit (Dehesa Cornwall Stone; Dehesa Cornty)

Latitude: 32°46'9"N
Longitude: 116°51'37"W
Decimal Degree (lat, lon): 32.769166666667,-116.86027777778

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.

Dumortierite	None	Quartz	Rutile

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 B O Si Ti

Elements from minerals reported directly at this locality: Al B O Si Ti

Structural Groups for minerals in this locality:
Dumortierite None Quartz Rutile

3 IMA Minerals at location:

Dumortierite ()*	Quartz ()*	Rutile ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	231
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
FKM-187	Dehesa, San Diego Co., California, USA	https://www.rockptx.com/fkm-176-to-fkm-200/#FKM-187
R060069	Dehesa, San Diego Co., California, USA	https://rruff.info/R060069
X050065	Dehesa, San Diego Co., California, USA	https://rruff.info/X050065

All locality data graciously provided by mindat.org

All age data...