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:
Los Angeles Co., California, USA

Oldest recorded age at locality: 1205
Youngest recorded age at locality: 13

mindat Locality ID: 3493
mindat URL: http://www.mindat.org/loc-3493.html

Tectonic Settings:

Total number of sublocalities beneath "Los Angeles Co., California, USA": 883
Total number of bottom-level sublocalities: 618

Number of Child Localities: 86
Child Localities:
Acton District
Agua Dulce
Agua Dulce Mts
Allen And Bailey Placer Mine
Alpine Mine
Altadena
Amercal Mine
Andrade Corner
Antelope Valley
Azusa (Dalton)
Burbank
Castaic Junction
Castaic Valley
Charter Oak
City Ranch
City Terrace
Commerce
Del Aire
Duarte
Eagle Rock
East Los Angeles
El Segundo
Encino
Gardena
Glendale
Gorman
Granada Hills
Hermosa Beach
Humphreys
Inglewood
Irwindale
La Crescenta
Lake Hughes
Lake Los Angeles
Lake Malibu Area
Lakewood
Lancaster
Lang
Llano
Lomita
Long Beach
Los Angeles
Malibu
Marina Del Rey
Mayflower Village
Mint Canyon [town]
Montebello
Monterey Park
Naples
Neenach
Newhall
Pacific Palisades
Palmdale
Palos Verdes Estates
Palos Verdes Peninsula
Pearblossom
Pico Rivera
Pomona
Puente Hills
Quartz Hill
Rancho La Brea
Rancho Palos Verdes
Redondo Beach
Rolling Hill Estates
San Francisquito Pass
San Francisquito Ranch
San Gabriel Mts
San Pedro
Santa Catalina Island
Santa Clarita
Santa Clarita Valley
Santa Cruz Offshore Basin
Santa Fe Springs
Santa Monica
Santa Monica Mts
Shadow Hills
Sierra Pelona Mts (Sierra Pelona Range)
Simi Hills Transverse Range
Soledad Mines
South San Gabriel
Torrance
Unspecified Bi Occurrence
Verdugo Mts
Westmont
Whittier
Willowbrook

Latitude: 34°11'10"N
Longitude: 118°16'30"W
Decimal Degree (lat, lon): 34.186111111111,-118.275
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: Ag Al As Au B Ba Be Bi C Ca Ce Cl Co Cr Cu F Fe H Hg K Mg Mn Mo N Na Nb Ni O P Pb S Sb Si Sr Th Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: Al B O Si 

Structural Groups for minerals in this locality: 
AcanthiteAllaniteAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragoniteArdennite
ArsenopyriteAutuniteBaryteBerylBismutiteBrauniteCalciteCancrinite-sodaliteChalcanthiteChalcopyrite
ClayClinozoisiteColumbiteCopperCorundumCovelliteCristobaliteDiasporeDumortieriteEpidote
EpsomiteFeldsparFerrieriteFluoriteGadoliniteGarnetGypsumGyroliteHalotrichiteHarmotome
HeulanditeIronKaoliniteLawsoniteMalachiteMarcasiteMelanteriteMicaMolybdeniteMordenite
NatroliteNickelineNoneNot in a structural groupPalygorskitePectolitePerovskitePrehnitePseudobrookitePyrite
PyroxeneQuartzRhodoniteRocksaltRutileScapoliteScheeliteSepioliteSerpentineSkutterudite
Smectite-vermiculiteSodaliteSphaleriteSpinelStibniteStilpnomelaneSulphurTalcTetrahedriteThomsonite
TitaniteTourmalineTridymiteVeatchiteVivianiteZircon

152 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Albite  (*)Allanite-(Ce)  (*)Almandine  (*)
Analcime  (*)Andalusite  (*)Annabergite  (*)Anorthite  (*)Anthophyllite  (*)
Antigorite  (*)Aragonite  (*)Arsenopyrite  (*)Autunite  (*)Azurite  (*)
Baryte  (*)Beidellite  (*)Beryl  (*)Bismutite  (*)Borax  (*)
Bornite  (*)Braunite  (*)Calcite  (*)Celadonite  (*)Celestine  (*)
Cerussite  (*)Chalcanthite  (*)Chalcocite  (*)Chalcopyrite  (*)Chromite  (*)
Chrysotile  (*)Cinnabar  (*)Clinoptilolite-K  (*)Clinozoisite  (*)Colemanite  (*)
Copper  (*)Cordierite  (*)Corundum  (*)Covellite  (*)Cristobalite  (*)
Cuprite  (*)Datolite  (*)Diopside  (*)Dolomite  (*)Dumortierite  (*)
Enstatite  (*)Epidote  (*)Epistilbite  (*)Epsomite  (*)Erythrite  (*)
Ferrierite-K  (*)Ferrierite-Mg  (*)Fluorapatite  (*)Fluorite  (*)Galena  (*)
Glaucophane  (*)Goethite  (*)Gold  (*)Graphite  (*)Grossular  (*)
Gypsum  (*)Gyrolite  (*)Halotrichite  (*)Harmotome  (*)Haüyne  (*)
Hematite  (*)Hisingerite  (*)Howlite  (*)Ice  (*)Ilmenite  (*)
Iron  (*)Jarosite  (*)Kalinite  (*)Kyanite  (*)Laumontite  (*)
Lawsonite  (*)Lazurite  (*)Magnesite  (*)Magnetite  (*)Malachite  (*)
Marcasite  (*)Marialite  (*)Melanophlogite  (*)Melanterite  (*)Microcline  (*)
Mogánite  (*)Molybdenite  (*)Montmorillonite  (*)Mordenite  (*)Muscovite  (*)
Natrojarosite  (*)Natrolite  (*)Nontronite  (*)Offretite  (*)Opal  (*)
Orthoclase  (*)Palygorskite  (*)Pectolite  (*)Pharmacolite  (*)Phillipsite-Na  (*)
Phlogopite  (*)Piemontite  (*)Polycrase-(Y)  (*)Powellite  (*)Prehnite  (*)
Priceite  (*)Probertite  (*)Pseudobrookite  (*)Pyrite  (*)Pyrolusite  (*)
Pyrope  (*)Pyrrhotite  (*)Quartz  (*)Realgar  (*)Rhodonite  (*)
Rutile  (*)Salammoniac  (*)Sanidine  (*)Saponite  (*)Scheelite  (*)
Schorl  (*)Scorodite  (*)Sepiolite  (*)Siderite  (*)Sillimanite  (*)
Silver  (*)Skutterudite  (*)Spadaite  (*)Spessartine  (*)Sphalerite  (*)
Spinel  (*)Stibnite  (*)Stilpnomelane  (*)Strontianite  (*)Sulphur  (*)
Sursassite  (*)Talc  (*)Tetrahedrite-(Zn)  (*)Thénardite  (*)Thomsonite-Ca  (*)
Thorite  (*)Tincalconite  (*)Titanite  (*)Todorokite  (*)Tremolite  (*)
Tridymite  (*)Tungusite  (*)Ulexite  (*)Veatchite  (*)Vivianite  (*)
Zircon  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S120511672161570,1615712793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)25161249,161656,161661,161885,1618873419
Albite  (*)FeldsparNa(AlSi3O8)1205116714161314,161344,161394,161536,161538,161595,161645,161653,161659,161666,161668,161685,161703,1618428803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)120511672161292,161538706
Almandine  (*)GarnetFe2+3Al2(SiO4)3120516.52161046,1613722353
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O17161181,161183,161194,161195,161198,161697,161702,161703,161736,161743,161753,161759,161766,161770,161777,161779,1618921627
Andalusite  (*)AndalusiteAl2SiO54161725,161738,161747,1617811310
Annabergite  (*)VivianiteNi3(AsO4)2·8H2O120511672161535,161570445
Anorthite  (*)FeldsparCa(Al2Si2O8)120511673161287,161629,1617511036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)22161647,161656718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)42161639,161875708
Aragonite  (*)AragoniteCa(CO3)120511678161286,161581,161664,161702,161703,161750,161753,1617663250
Arsenopyrite  (*)ArsenopyriteFeAsS2161198,1616389052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O11611761272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2120511674161076,161357,161585,1616425509
Baryte  (*)BaryteBa(SO4)1205116713161279,161286,161289,161306,161375,161560,161570,161571,161632,161638,161708,161709,16173611547
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O2161168,16181885
Beryl  (*)BerylBe3Al2Si6O18120511672161536,1615384286
Bismutite  (*)BismutiteBi2O2(CO3)1161914716
Borax  (*)NoneNa2B4O5(OH)4·8H2O116119876
Bornite  (*)NoneCu5FeS4120511673161058,161076,1615855516
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)2161279,161282483
Calcite  (*)CalciteCa(CO3)1205116738161075,161184,161193,161197,161286,161299,161307,161375,161555,161634,161638,161665,161701,161702,161703,161705,161708,161709,161710,161711,161713,161715,161718,161734,161741,161747,161749,161750,161756,161759,161762,161764,161766,161770,161775,161776,161782,16179227770
Celadonite  (*)Mica ClayKMgFe3+Si4O10(OH)22161698,161703309
Celestine  (*)BaryteSr(SO4)2161198,1617331252
Cerussite  (*)AragonitePb(CO3)1205116711613754979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1161670925
Chalcocite  (*)NoneCu2S120511673161076,161357,1616845707
Chalcopyrite  (*)ChalcopyriteCuFeS2120511679161076,161342,161375,161413,161414,161484,161585,161657,16190427198
Chromite  (*)SpinelFe2+Cr2O411618383902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4120511672161581,161639951
Cinnabar  (*)NoneHgS1205116711613752600
Clinoptilolite-K  (*)HeulanditeK6(Si30Al6)O72·20H2O1613116169813
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)120511674161084,161567,161842,1618541025
Colemanite  (*)NoneCaB3O4(OH)3·H2O2161190,161198144
Copper  (*)CopperCu1205116711613573846
Cordierite  (*)BerylMg2Al4Si5O184161725,161738,161795,1618391008
Corundum  (*)CorundumAl2O3120511675161312,161370,161389,161393,1616671797
Covellite  (*)CovelliteCuS120511672161414,1615354165
Cristobalite  (*)CristobaliteSiO26161193,161271,161704,161714,161717,161718453
Cuprite  (*)Not in a structural groupCu2O120511672161357,1614842970
Datolite  (*)GadoliniteCaB(SiO4)(OH)16132161198,161697498
Diopside  (*)PyroxeneCaMgSi2O611611704135
Dolomite  (*)NoneCaMg(CO3)21205116712161206,161279,161286,161306,161418,161632,161633,161638,161702,161706,161709,1617179895
Dumortierite  (*)DumortieriteAlAl6BSi3O181205130231
Enstatite  (*)PyroxeneMg2Si2O6120511672161111,161482944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)120511676161170,161418,161531,161634,161649,1616708173
Epistilbite  (*)MordeniteCa3[Si18Al6O48]·16H2O16131161697138
Epsomite  (*)EpsomiteMg(SO4)·7H2O5161280,161283,161306,161633,161797484
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O120511672161570,161571814
Ferrierite-K  (*)Ferrierite(K,Na)5(Si31Al5)O72·18H2O7161697,161702,161703,161708,161709,161710,1617119
Ferrierite-Mg  (*)Ferrierite[Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O116170934
Fluorapatite  (*)ApatiteCa5(PO4)3F120511672161538,1617022740
Fluorite  (*)FluoriteCaF2120511673161375,161638,1617499617
Galena  (*)RocksaltPbS120511676161375,161413,161414,161638,161651,16184324243
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)23161277,161633,161656286
Goethite  (*)DiasporeFeO(OH)16135161699,161703,161704,161708,1617187437
Gold  (*)CopperAu120516.518161046,161130,161242,161313,161419,161435,161523,161526,161529,161530,161542,161678,161679,161681,161811,161813,161826,16183030554
Graphite  (*)NoneC1205116718161166,161168,161338,161392,161420,161432,161532,161534,161536,161620,161670,161816,161818,161848,161862,161879,161918,1619212812
Grossular  (*)GarnetCa3Al2(SiO4)3120511673161170,161433,1616821544
Gypsum  (*)GypsumCa(SO4)·2H2O21.118.115161142,161238,161250,161267,161269,161285,161633,161703,161731,161733,161734,161792,161805,161812,1619046890
Gyrolite  (*)GyroliteNaCa16(Si23Al)O60(OH)8·14H2O1161736142
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O2161731,161792409
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O16131161697290
Haüyne  (*)Sodalite Cancrinite-sodaliteNa3Ca(Si3Al3)O12(SO4)120511671161554158
Hematite  (*)CorundumFe2O34161193,161703,161717,16176214640
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O1161703144
Howlite  (*)NoneCa2SiB5O9(OH)52161190,16119836
Ice  (*)Amorphous TridymiteH2O116116459
Ilmenite  (*)CorundumFe2+Ti4+O31205116742161156,161292,161308,161317,161323,161345,161358,161364,161365,161366,161368,161388,161397,161428,161436,161437,161439,161440,161441,161442,161443,161444,161451,161461,161462,161475,161536,161549,161591,161597,161598,161602,161603,161605,161607,161609,161610,161612,161614,161615,161616,1616185433
Iron  (*)IronFe11611111089
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)616136161286,161633,161687,161699,161703,1617922228
Kalinite  (*)NoneKAl(SO4)2·11H2O116126154
Kyanite  (*)Not in a structural groupAl2OSiO411616671507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12161081,161683,161697,161721,161759,161764,161769,161770,161778,161779,161791,1618921271
Lawsonite  (*)LawsoniteCaAl2(Si2O7)(OH)2·H2O4161282,161633,161649,161668121
Lazurite  (*)Cancrinite-sodalite SodaliteNa7Ca(Al6Si6O24)(SO4)(S3)1-·H2O12051167116155437
Magnesite  (*)CalciteMg(CO3)4161639,161662,161876,1618821487
Magnetite  (*)SpinelFe2+Fe3+2O41205116740161317,161323,161345,161358,161364,161365,161366,161368,161388,161397,161428,161436,161437,161439,161440,161441,161442,161443,161444,161451,161461,161462,161475,161538,161549,161591,161597,161598,161602,161603,161605,161607,161609,161610,161612,161614,161615,161616,161618,16168214899
Malachite  (*)MalachiteCu2(CO3)(OH)2120511677161058,161076,161357,161375,161484,161535,16158512537
Marcasite  (*)MarcasiteFeS21205135161342,161699,161702,161710,1617145674
Marialite  (*)ScapoliteNa4Al3Si9O24Cl1161171139
Melanophlogite  (*)NoneC2H17O5·Si46O9212161143,161707,161709,161713,161714,161715,161716,161717,161728,161734,161735,16178738
Melanterite  (*)MelanteriteFe(SO4)·7H2O120511674161414,161535,161731,161792915
Microcline  (*)FeldsparK(AlSi3O8)120511675161259,161292,161333,161335,1615384924
Mogánite  (*)NoneSiO2·nH2O116170543
Molybdenite  (*)MolybdeniteMoS2120511678161097,161336,161344,161396,161507,161585,161725,1617395800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O120511672161117,1613941508
Mordenite  (*)Mordenite(Na2,Ca,K2)4(Al8Si40)O96·28H2O9161193,161271,161697,161701,161702,161703,161704,161736,161762405
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2120516.514161046,161092,161262,161320,161324,161341,161425,161538,161568,161656,161659,161667,161725,16183917380
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)61161279254
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O20161181,161194,161195,161286,161697,161708,161730,161736,161743,161753,161754,161759,161762,161766,161769,161770,161777,161778,161779,1618921236
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O1161703471
Offretite  (*)Not in a structural groupKCaMg(Si13Al5)O36·15H2O2161697,161703146
Opal  (*)AmorphousSiO2·nH2O12051314161053,161120,161193,161204,161240,161271,161290,161311,161426,161639,161688,161699,161702,1617622994
Orthoclase  (*)FeldsparK(AlSi3O8)120511672161394,1616342349
Palygorskite  (*)Palygorskite Clay(Mg,Al)2Si4O10(OH)·4H2O1161299306
Pectolite  (*)PectoliteNaCa2Si3O8(OH)1161736363
Pharmacolite  (*)GypsumCa(AsO3OH)·2H2O120511671161571105
Phillipsite-Na  (*)HarmotomeNa6(Si10Al6)O32·12H2O116170327
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2120511673161381,161386,1615642273
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)120511674161262,161384,161498,161649260
Polycrase-(Y)  (*)ColumbiteY(Ti,Nb)2(O,OH)61161292121
Powellite  (*)ScheeliteCa(MoO4)120511671161396494
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)26161736,161759,161764,161766,161770,1617791898
Priceite  (*)NoneCa2B5O7(OH)5·H2O116119833
Probertite  (*)NoneNaCaB5O7(OH)4·3H2O2161190,16119829
Pseudobrookite  (*)Pseudobrookite(Fe3+2Ti)O51161717164
Pyrite  (*)PyriteFeS21205116717161198,161206,161286,161344,161585,161638,161701,161702,161703,161708,161710,161711,161725,161731,161734,161762,16179239462
Pyrolusite  (*)RutileMnO211618813106
Pyrope  (*)GarnetMg3Al2(SiO4)31161635341
Pyrrhotite  (*)NickelineFe7S8120511673161414,161531,1615359056
Quartz  (*)QuartzSiO212051356161053,161058,161068,161107,161109,161138,161143,161182,161184,161193,161198,161247,161249,161283,161286,161308,161309,161357,161375,161394,161413,161533,161536,161538,161567,161585,161634,161651,161655,161659,161661,161699,161700,161701,161702,161703,161705,161707,161708,161709,161710,161711,161713,161714,161715,161716,161717,161725,161728,161734,161735,161750,161762,161773,161787,16184361156
Realgar  (*)NoneAsS1161198712
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)3161188,161273,161881969
Rutile  (*)RutileTiO22161192,1616605614
Salammoniac  (*)None(NH4)Cl1161265105
Sanidine  (*)FeldsparK(AlSi3O8)1161300598
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O7161703,161759,161762,161764,161765,161767,161770301
Scheelite  (*)ScheeliteCa(WO4)120511672161404,1615934894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)11616342705
Scorodite  (*)NoneFe3+(AsO4)·2H2O11616381153
Sepiolite  (*)Sepiolite ClayMg4Si6O15(OH)2·6H2O1161688241
Siderite  (*)CalciteFe(CO3)120511675161414,161531,161535,161621,1617036417
Sillimanite  (*)Not in a structural groupAl2SiO5120511676161098,161168,161432,161816,161818,1618251516
Silver  (*)CopperAg120511674161570,161571,161684,1618435186
Skutterudite  (*)Skutterudite PerovskiteCoAs3120511672161570,161571531
Spadaite  (*)NoneMgSiO2(OH)2·H2O (?)11612867
Spessartine  (*)GarnetMn2+3Al2(SiO4)311612741214
Sphalerite  (*)SphaleriteZnS1205116710161342,161375,161413,161414,161638,161657,161701,161702,161703,16170821482
Spinel  (*)SpinelMgAl2O4120511672161386,1615641934
Stibnite  (*)StibniteSb2S3120511673161189,161198,1615313418
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O120511671161496456
Strontianite  (*)AragoniteSr(CO3)1161198589
Sulphur  (*)SulphurS161311616992045
Sursassite  (*)ArdenniteMn2+2Al3(SiO4)(Si2O7)(OH)32161279,16128224
Talc  (*)Clay TalcMg3Si4O10(OH)21205116714161249,161568,161647,161656,161660,161662,161839,161840,161850,161851,161861,161885,161887,1618883337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S131205116711615725317
Thénardite  (*)NoneNa2(SO4)120511671161387299
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O2161697,161770452
Thorite  (*)ZirconTh(SiO4)120511673161536,161538,1618201006
Tincalconite  (*)NoneNa2B4O5(OH)4·3H2O116119829
Titanite  (*)TitaniteCaTi(SiO4)O120511676161076,161357,161416,161536,161586,1616634899
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O2161279,161282433
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211611982562
Tridymite  (*)TridymiteSiO23161300,161635,161704458
Tungusite  (*)GyroliteCa14Fe2+9Si24O60(OH)2211617367
Ulexite  (*)NoneNaCaB5O6(OH)6·5H2O2161190,161198160
Veatchite  (*)VeatchiteSr2B11O16(OH)5·H2O116119812
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1161304636
Zircon  (*)ZirconZr(SiO4)120511674161536,161538,161576,1616335251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)6161192,161658,161745,161746,161783,1617931025


4 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
NAVDAT-3141617.516.517±0.5  whole rock31416    81190Collecting Site Mine, Antelope Valley, Acton, Acton District, Los Angeles Co., California, USA NAVDAT NAVDAT 
Bradley_2012_125120511671186±19U/Pb zircon   Zircon  28941San Gabriel Mts, Los Angeles Co., California, USAMendenhall PeakMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 
NAVDAT-7123161314+2/-1   7123    263811Melanophlogite Outcrop, Archstone, Agoura Hills, Santa Monica Mts, Los Angeles Co., California, USA NAVDAT NAVDAT 
NAVDAT-3141821.118.119.6±1.5  whole rock31418    81446Sheba Fertilizer Deposit, Alpine, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles Co., California, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL
FKM-22Cascade Canyon, San Gabriel Mts, Los Angeles Co., California, USAhttps://www.rockptx.com/fkm-1-to-fkm-25/#FKM-22

All locality data graciously provided by mindat.org

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