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:
Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA

Oldest recorded age at locality: 143
Youngest recorded age at locality: 92.8

mindat Locality ID: 3559
mindat URL: http://www.mindat.org/loc-3559.html

Tectonic Settings:

Total number of sublocalities beneath "Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Braye Mine (Bray Lode Prospect; MS 4633)
Little Mine (MS 4633)
Lohrer Mine (MS 4633)

Latitude: 33°12'50"N
Longitude: 116°47'59"W
Decimal Degree (lat, lon): 33.213888888889,-116.79972222222

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.

Aeschynite	Allanite	Analcime	Apatite	Beryl	Bismutite	Calcite	Chlorite	Clay	Columbite
Corrensite	Epidote	Feldspar	Gadolinite	Garnet	Kaolinite	Mica	None	Not in a structural group	Pyroxene
Quartz	Rutile	Smectite-vermiculite	Spinel	Talc	Topaz	Tourmaline	Zircon

Albite ()*	Allanite-(Ce) ()*	Almandine ()*	Amblygonite ()*	Bavenite ()*
Beryl ()*	Beyerite ()*	Calcite ()*	Cassiterite ()*	Columbite-(Mn) ()*
Cookeite ()*	Dravite ()*	Elbaite ()*	Fersmite ()*	Fluor-elbaite ()*
Fluorapatite ()*	Gahnite ()*	Grossular ()*	Hambergite ()*	Herderite ()*
Kaolinite ()*	Laumontite ()*	Microcline ()*	Montmorillonite ()*	Muscovite ()*
Oxy-schorl ()*	Pollucite ()*	Quartz ()*	Rynersonite ()*	Schorl ()*
Spessartine ()*	Spodumene ()*	Stibiocolumbite ()*	Stibiotantalite ()*	Stokesite ()*
Talc ()*	Todorokite ()*	Topaz ()*	Tosudite ()*	Xenotime-(Y) ()*
Zircon ()*

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 Ba Be Bi C Ca Ce Cs F Fe H K Li Mg Mn Na Nb O P Sb Si Sn Sr Ta Ti Y Zn Zr

Elements from minerals reported directly at this locality: Al B Ba Be Bi C Ca Ce Cs F Fe H K Li Mg Mn Na Nb O P Sb Si Sn Sr Ta Y Zn Zr

Structural Groups for minerals in this locality:
Aeschynite Allanite Analcime Apatite Beryl Bismutite Calcite Chlorite Clay Columbite
Corrensite Epidote Feldspar Gadolinite Garnet Kaolinite Mica None Not in a structural group Pyroxene
Quartz Rutile Smectite-vermiculite Spinel Talc Topaz Tourmaline Zircon

41 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	143	92.8	0		8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	143	92.8	0		706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	143	92.8	0		2353
Amblygonite ()*	None	LiAl(PO₄)F	143	92.8	0		244
Bavenite ()*	None	Ca₄Be_2+xAl_2-xSi₉O_26-x(OH)_2+x (x = 0 to 1)	143	92.8	0		255
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	143	92.8	0		4286
Beyerite ()*	Bismutite	CaBi₂O₂(CO₃)₂	143	92.8	0		96
Calcite ()*	Calcite	Ca(CO₃)	143	92.8	0		27770
Cassiterite ()*	Rutile	SnO₂	143	92.8	0		5171
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	143	92.8	0		289
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	143	92.8	0		181
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	143	92.8	0		648
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	96	94	1	174808	520
Fersmite ()*	Columbite	CaNb₂O₆	143	92.8	0		83
Fluor-elbaite ()*	Tourmaline	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F	143	92.8	0		31
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	143	92.8	0		2740
Gahnite ()*	Spinel	ZnAl₂O₄	143	92.8	0		445
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	143	92.8	0		1544
Hambergite ()*	None	Be₂(BO₃)(OH)	143	92.8	0		81
Herderite ()*	Gadolinite	CaBe(PO₄)F	143	92.8	0		20
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	143	92.8	0		5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	143	92.8	0		1271
Microcline ()*	Feldspar	K(AlSi₃O₈)	143	92.8	0		4924
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	143	92.8	0		1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	96	94	1	174808	17380
Oxy-schorl ()*	Tourmaline	Na(Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O	143	92.8	0		9
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	143	92.8	0		140
Quartz ()*	Quartz	SiO₂	96	94	1	174808	61156
Rynersonite ()*	Aeschynite	CaTa₂O₆	143	92.8	0		14
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	96	94	1	174808	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	143	92.8	0		1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆	143	92.8	0		688
Stibiocolumbite ()*	None	SbNbO₄	143	92.8	0		13
Stibiotantalite ()*	None	Sb³⁺TaO₄	143	92.8	0		53
Stokesite ()*	None	CaSnSi₃O₉·2H₂O	143	92.8	0		21
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	143	92.8	0		3337
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	143	92.8	0		433
Topaz ()*	Topaz	Al₂SiO₄F₂	143	92.8	0		1476
Tosudite ()*	Corrensite Clay	Na_0.5(Al,Mg)₆(Si,Al)₈O₁₈(OH)₁₂·5H₂O	143	92.8	0		36
Xenotime-(Y) ()*	Zircon	Y(PO₄)	143	92.8	0		939
Zircon ()*	Zircon	Zr(SiO₄)	143	92.8	0		5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000329	Himalaya mine and nearby localities are found within the Peninsular Ranges Batholith

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Bradley_2012_108	96	94	95±1	Ar/Ar		muscovite	Muscovite		3559	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	Himalaya Mine	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
Giersdorf_00000326	95.7	95.1	95.4±0.3	Ar-Ar				Muscovite	3559	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	Himalaya Mine	Fisher et al. (1999)	10.1080/00357529809603033	RM73_156
Giersdorf_00000327	93.7	93.1	93.4±0.3	Ar-Ar	The lepidolite crystallized at a different age than the muscovite				3559	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	Himalaya Mine	Fisher et al. (1999)	10.1080/00357529809603034	RM73_156
Giersdorf_00000328	93.4	92.8	93.1±0.3	Ar-Ar	The lepidolite crystallized at a different age than the muscovite				3559	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	Himalaya Mine	Fisher et al. (1999)	10.1080/00357529809603035	RM73_156
Giersdorf_00000329	143	101	143-101	K-Ar					3559	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	Peninsular Ranges Batholith	Fisher et al. (1999)	10.1080/00357529809603036	RM73_156	Age of the batholith

Sample	Source Locality	Reference URL
R050232	Himalaya Mine (Himalaya Dikes; Himalaya Pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA	https://rruff.info/R050232

All locality data graciously provided by mindat.org

All age data...