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:
Tule Mountain (Mount Tule; Tulley Mountain), Jacumba, Jacumba District, Jacumba Mts, San Diego Co., California, USA


mindat Locality ID: 217659
mindat URL: http://www.mindat.org/loc-217659.html

Tectonic Settings:

Total number of sublocalities beneath "Tule Mountain (Mount Tule; Tulley Mountain), Jacumba, Jacumba District, Jacumba Mts, San Diego Co., California, USA": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Beebe Hole Mine
Corundum Occurrence
Crystal Gem Mine (Crystal; Ruby Deposit; Ruby Group; Old School Mine)
Gemstone Prospect
Manganes Prospect
Pack Rat Mine
Tule Mountain Area
Tule Mountain Deposit (Tulley Mountain Deposit)

Latitude: 32°42'44"N
Longitude: 116°13'49"W
Decimal Degree (lat, lon): 32.712222222222,-116.23027777778

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Be Ca F Fe H K Li Mg Mn Na O P S Si Sn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteArseniosideriteBerylCancrinite-sodaliteChildreniteClayDanburiteFeldsparGadoliniteGarnet
HureauliteMicaNoneOlivinePhosphosideritePyroxeneQuartzRhodoniteRockbridgeiteRutile
Smectite-vermiculiteSodaliteTourmaline

25 IMA Minerals at location:
Albite  (*)Beryl  (*)Cassiterite  (*)Danburite  (*)Eosphorite  (*)
Fluorapatite  (*)Frondelite  (*)Helvine  (*)Hureaulite  (*)Hydroxylherderite  (*)
Lithiophilite  (*)Microcline  (*)Mitridatite  (*)Montmorillonite  (*)Muscovite  (*)
Orthoclase  (*)Phosphosiderite  (*)Purpurite  (*)Quartz  (*)Rhodonite  (*)
Robertsite  (*)Schorl  (*)Spessartine  (*)Spodumene  (*)Strengite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)3174543,174545,1745488803
Beryl  (*)BerylBe3Al2Si6O184174543,174545,174548,1745494286
Cassiterite  (*)RutileSnO22174543,1745485171
Danburite  (*)DanburiteCaB2Si2O81174548148
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O1174548128
Fluorapatite  (*)ApatiteCa5(PO4)3F11745432740
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5117454852
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S1174548237
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O1174548125
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)2174543,174548119
Lithiophilite  (*)OlivineLiMn2+(PO4)2174543,174548155
Microcline  (*)FeldsparK(AlSi3O8)2174543,1745484924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O1174548129
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O2174543,1745481508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22174543,17454817380
Orthoclase  (*)FeldsparK(AlSi3O8)11745452349
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O1174548182
Purpurite  (*)OlivineMn3+(PO4)2174543,17454880
Quartz  (*)QuartzSiO22174543,17454861156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1174547969
Robertsite  (*)ArseniosideriteCa2Mn3+3O2(PO4)3·3H2O117454836
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)3174543,174545,1745482705
Spessartine  (*)GarnetMn2+3Al2(SiO4)34174543,174545,174547,1745481214
Spodumene  (*)PyroxeneLiAlSi2O62174543,174548688
Strengite  (*)NoneFe3+(PO4)·2H2O1174548263



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...