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

Oldest recorded age at locality: 168
Youngest recorded age at locality: 107

mindat Locality ID: 219749
mindat URL: http://www.mindat.org/loc-219749.html

Tectonic Settings:

Total number of sublocalities beneath "Mt Laguna, Laguna Mts, San Diego Co., California, USA": 41
Total number of bottom-level sublocalities: 40

Number of Child Localities: 38
Child Localities:
Abbie Group (Abbie And Louis Group)
Aftermath Claim
Best Yet Deposit
Brier Claim
Brown Group
Butte No. 2 Prospect
Casseopia Claim
Charley K. Prospect
Clark Mine
Ester Group
Expansion Group (Cascade Mine; You Bet Group; Oak Canyon Mine; Lone Jack)
Fee Claim
Frances Group
Gold Dollar Nos. 1 And 4 Claims
Golden Stump Claim
Good Luck Prospect
Harder Ranch Mine
Harper Ranch Mine (Harper's; E.A. Harper)
Henderson Deposit
Hickory Jim Mine
Laguna Mountains Placers
Live Oak Group
Lucky Baldwin Prospect (Margaret; Margaret And Lucky Baldwin Group; Margurite)
McCain Borrow Pit No. 790 (Vallecitos Pit)
Melba Group (Victoria Group; Rosa; Elizabeth)
Mercedes Group (Mercedes; Thelma; Millsite)
Metal Mountain
Montana Group
Mother Lode And Princess Claims
New Hope No. 2 Claim
Noble Mines (Noble Group Mines; Treasury Claim; Nobee's Mines; Pine Valley Mines)
North Star Group (Apex; Duplex)
Sundown Mine
Telluride Group (Triluride; Good Luck)
Turner Prospect
Vernon Group
Winatoma And Morning Glory Claims
You Bet Group

Latitude: 32°54'8"N
Longitude: 116°29'"W
Decimal Degree (lat, lon): 32.902222222222,-116.48333333333

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.

Calcite	Clinozoisite	Copper	Epidote	Marcasite	None	Pyroxene	Quartz	Scheelite

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: Ag Al C Ca Fe H Mg O S Si Te W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clinozoisite Copper Epidote Marcasite None Pyroxene Quartz Scheelite

8 IMA Minerals at location:

Calcite ()*	Diopside ()*	Epidote ()*	Marcasite ()*	Quartz ()*
Scheelite ()*	Silver ()*	Tellurium ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	168	107	1	174714	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆	168	161	3	174687,174703,174706	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	168	107	2	174714,174720	8173
Marcasite ()*	Marcasite	FeS₂	168	107	1	174709	5674
Quartz ()*	Quartz	SiO₂	168	161	6	174687,174703,174706,174712,174713,174720	61156
Scheelite ()*	Scheelite	Ca(WO₄)	168	161	8	174687,174703,174706,174712,174713,174714,174717,174720	4894
Silver ()*	Copper	Ag	168	107	1	174718	5186
Tellurium ()*	None	Te	168	107	1	174718	190

6 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-44489	168	161	164+4/-3	44489	219749	Mt Laguna, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-126258	111	107	109±2	126258	91276	Fee Claim, Mt Laguna, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-126259	111	107	109±2	126259	91276	Fee Claim, Mt Laguna, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-44496	168	161	164+4/-3	44496	91335	Harper Ranch Mine (Harper's; E.A. Harper), Mt Laguna, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-44491	168	161	164+4/-3	44491	91342	Henderson Deposit, Mt Laguna, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-126291	120	116	118±2	126291	91461	Montana Group, Mt Laguna, 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...