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

Oldest recorded age at locality: 168
Youngest recorded age at locality: 65

mindat Locality ID: 208563
mindat URL: http://www.mindat.org/loc-208563.html

Tectonic Settings:

Total number of sublocalities beneath "Laguna Mts, San Diego Co., California, USA": 98
Total number of bottom-level sublocalities: 91

Number of Child Localities: 5
Child Localities:
Alpine
Descanso
Los Terrenitos
Mt Laguna
Pine Valley

Latitude: 32°50'27"N
Longitude: 116°36'28"W
Decimal Degree (lat, lon): 32.840833333333,-116.60777777778

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	Clay	Clinozoisite	Columbite	Copper	Corundum	Dumortierite	Epidote	Marcasite	Mica
Molybdenite	Nickeline	None	Not in a structural group	Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Titanite

Calcite ()*	Corundum ()*	Diopside ()*	Dumortierite ()*	Epidote ()*
Galena ()*	Gold ()*	Marcasite ()*	Molybdenite ()*	Muscovite ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Samarskite-(Y) ()*	Scheelite ()*
Sillimanite ()*	Silver ()*	Tellurium ()*	Titanite ()*	Uranophane-α ()*

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 Au B C Ca Fe H K Mg Mo Nb O Pb S Si Te Ti U W Y

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clay Clinozoisite Columbite Copper Corundum Dumortierite Epidote Marcasite Mica
Molybdenite Nickeline None Not in a structural group Pyroxene Quartz Rocksalt Rutile Scheelite Titanite

20 IMA Minerals at location:

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
Corundum ()*	Corundum	Al₂O₃			1	174657	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	168	161	3	174687,174703,174706	4135
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈			1	174657	231
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	168	107	2	174714,174720	8173
Galena ()*	Rocksalt	PbS			1	174667	24243
Gold ()*	Copper	Au	167	105.3	1	174664	30554
Marcasite ()*	Marcasite	FeS₂	168	107	3	174673,174709,174733	5674
Molybdenite ()*	Molybdenite	MoS₂			1	174658	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	174657	17380
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	174673	9056
Quartz ()*	Quartz	SiO₂	168	161	8	174657,174677,174687,174703,174706,174712,174713,174720	61156
Rutile ()*	Rutile	TiO₂			1	174657	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈			1	174680	353
Scheelite ()*	Scheelite	Ca(WO₄)	168	161	9	174672,174687,174703,174706,174712,174713,174714,174717,174720	4894
Sillimanite ()*	Not in a structural group	Al₂SiO₅			2	174657,174659	1516
Silver ()*	Copper	Ag	168	107	1	174718	5186
Tellurium ()*	None	Te	168	107	1	174718	190
Titanite ()*	Titanite	CaTi(SiO₄)O			1	174657	4899
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	174680	890

15 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-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
NAVDAT-126265	128.7	105.3	117±11.7	126265	91115	Allen Borrow Pit, Descanso, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-44498	167	163	165±2	44498	91420	Lucky Strike Group (Dam Fino Prospect; Long-Time-No-See Prospect; Pocket Prospect; Lucky Strike Prospect), Descanso, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
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
NAVDAT-44479	168	161	164+4/-3	44479	221362	Pine Valley, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-44475	168	161	164+4/-3	44475	91384	Kitty Kay Group, Pine Valley, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-126202	120	116	118±2	126202	91390	Laguna Junction Deposits (Benton Ranch Deposits), Pine Valley, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-126216	144	65	104.5±39.5	126216	91584	Silent King Prospect, Pine Valley, Laguna Mts, San Diego Co., California, USA	NAVDAT	NAVDAT
NAVDAT-44488	168	161	164+4/-3	44488	91639	Unnamed Silica Claim (1), Pine Valley, 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...