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:
Alpine, Laguna Mts, San Diego Co., California, USA

Oldest recorded age at locality: 110
Youngest recorded age at locality: 106

mindat Locality ID: 221466
mindat URL: http://www.mindat.org/loc-221466.html

Tectonic Settings:

Total number of sublocalities beneath "Alpine, Laguna Mts, San Diego Co., California, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Dehesa Dumortierite Deposit (Lehesa Dumortierite Deposit)
Harvey Ranch Deposit (Echo)
McCullough Deposit (Unnamed Sillimanite Occurrence)
Old Noble Mine
Unnamed Sn Claim
Viejas Mountain Prospect
Wettleson Prospect

Latitude: 32°49'41"N
Longitude: 116°45'49"W
Decimal Degree (lat, lon): 32.828055555556,-116.76361111111

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.

Clay	Corundum	Dumortierite	Mica	Molybdenite	None	Not in a structural group	Quartz	Rutile	Titanite

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 Ca H K Mo O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Corundum Dumortierite Mica Molybdenite None Not in a structural group Quartz Rutile Titanite

8 IMA Minerals at location:

Corundum ()*	Dumortierite ()*	Molybdenite ()*	Muscovite ()*	Quartz ()*
Rutile ()*	Sillimanite ()*	Titanite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Corundum ()*	Corundum	Al₂O₃	1	174657	1797
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	1	174657	231
Molybdenite ()*	Molybdenite	MoS₂	1	174658	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	174657	17380
Quartz ()*	Quartz	SiO₂	1	174657	61156
Rutile ()*	Rutile	TiO₂	1	174657	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	2	174657,174659	1516
Titanite ()*	Titanite	CaTi(SiO₄)O	1	174657	4899

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-126231	110	106	108±2					126231						221466	Alpine, Laguna Mts, San Diego Co., California, USA		NAVDAT		NAVDAT
	NAVDAT-126230	110	106	108±2					126230						91488	Old Noble Mine, Alpine, Laguna Mts, San Diego Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...