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:
Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy

Oldest recorded age at locality: 1
Youngest recorded age at locality: 0.236

mindat Locality ID: 2080
mindat URL: http://www.mindat.org/loc-2080.html

Tectonic Settings:

Total number of sublocalities beneath "Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Fagianello
L'Ulivo

Latitude: 42°23'40"N
Longitude: 12°6'35"E
Decimal Degree (lat, lon): 42.394444444444,12.109722222222

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 As B Be C Ca Ce Cl Cs F Fe H K La Li Mg Mn Na O P REE S Si Th Ti U Y Zr 

Elements from minerals reported directly at this locality: Al As B Be C Ca Ce Cl Cs F Fe H K La Li Mg Mn Na O P REE S Si Th Ti U Y Zr 

Structural Groups for minerals in this locality: 
AnalcimeApatiteBaddeleyiteCalciteCancriniteCancrinite-sodaliteClayCoronaditeDanburiteFeldspar
FluoriteGadoliniteHarmotomeHellanditeLudwigiteMicaNoneNot in a structural groupOkanoganitePyroxene
RutileSodaliteSpinelTitaniteZirconZirconolite

38 IMA Minerals at location:
Afghanite  (*)Asbecasite  (*)Augite  (*)Baddeleyite  (*)Britholite-(Ce)  (*)
Calcite  (*)Ciprianiite  (*)Cryptomelane  (*)Danburite  (*)Davyne  (*)
Fluorite  (*)Hellandite-(Ce)  (*)Homilite  (*)Hydroxylapatite  (*)Magnetite  (*)
Mottanaite-(Ce)  (*)Muscovite  (*)Nosean  (*)Phillipsite-K  (*)Phlogopite  (*)
Piergorite-(Ce)  (*)Pitiglianoite  (*)Pollucite  (*)Rutile  (*)Sanidine  (*)
Sodalite  (*)Stillwellite-(Ce)  (*)Tadzhikite-(Ce)  (*)Thorianite  (*)Thorite  (*)
Titanite  (*)Tuscanite  (*)Uraninite  (*)Vicanite-(Ce)  (*)Vishnevite  (*)
Vonsenite  (*)Zircon  (*)Zirconolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Afghanite  (*)Cancrinite-sodalite(Na,K)22Ca10(Si24Al24)O96(SO4)6Cl60.40.4025
Asbecasite  (*)Not in a structural groupCa3TiAs6Be2Si2O200.40.408
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O60.40.402060
Baddeleyite  (*)BaddeleyiteZrO20.40.40238
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)0.40.40115
Calcite  (*)CalciteCa(CO3)0.40.4027770
Ciprianiite  (*)HellanditeCa4(ThCa)Al(Be0.5   1.5)Σ2[B4Si4O22](OH)20.40.402
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O160.40.40599
Danburite  (*)DanburiteCaB2Si2O80.40.40148
Davyne  (*)Cancrinite Cancrinite-sodalite[(Na,K)6(SO4)0.5Cl][Ca2Cl2][(Si6Al6O24)]0.40.4017
Fluorite  (*)FluoriteCaF20.40.409617
Hellandite-(Ce)  (*)Hellandite(Ca,REE)4Ce2Al   2(B4Si4O22)(OH)20.40.408
Homilite  (*)GadoliniteCa2Fe2+B2Si2O100.40.408
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH0.40.40367
Magnetite  (*)SpinelFe2+Fe3+2O40.40.4014899
Mottanaite-(Ce)  (*)HellanditeCa4Ce2Al(Be1.5   0.5)Σ2[B4Si4O22]O20.40.402
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)20.40.4017380
Nosean  (*)Sodalite Cancrinite-sodaliteNa8(Si6Al6)O24(SO4)·H2O10.23616932375
Phillipsite-K  (*)HarmotomeK6(Si10Al6)O32·12H2O0.40.4071
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)20.40.402273
Piergorite-(Ce)  (*)NoneCa8Ce2AlLiSi6B8O36(OH)20.40.402
Pitiglianoite  (*)Cancrinite Cancrinite-sodaliteK2Na6(Si6Al6)O24(SO4)·2H2O0.40.406
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O0.40.40140
Rutile  (*)RutileTiO20.40.405614
Sanidine  (*)FeldsparK(AlSi3O8)0.40.40598
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl0.40.40444
Stillwellite-(Ce)  (*)NoneCeBSiO50.40.4019
Tadzhikite-(Ce)  (*)HellanditeCa4Ce2Ti   (B4Si4O22)(OH)20.40.4014
Thorianite  (*)FluoriteThO20.40.40236
Thorite  (*)ZirconTh(SiO4)0.40.401006
Titanite  (*)TitaniteCaTi(SiO4)O0.40.404899
Tuscanite  (*)NoneKCa6(Si,Al)10O22(SO4,CO3)2(OH)·H2O0.40.4010
Uraninite  (*)FluoriteUO20.40.402718
Vicanite-(Ce)  (*)Okanoganite(Ca,Ce,La,Th)15As5+(As3+,Na)0.5Fe3+0.7Si6B4(O,F)470.40.406
Vishnevite  (*)Cancrinite-sodalite CancriniteNa8(Al6Si6)O24(SO4)·2H2O0.40.4021
Vonsenite  (*)LudwigiteFe2+2Fe3+O2(BO3)0.40.4062
Zircon  (*)ZirconZr(SiO4)0.40.405251
Zirconolite  (*)Zirconolite(Ca,Y)Zr(Ti,Mg,Al)2O70.40.40140



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_0149Trachyte, poggio translates to "Knoll"
Michelle_0150_cIgnimbrite C of Locardi
Michelle_0151(Tufo rosso a scorie nere auct.)
Michelle_0152Black pozzolana (Ignimbrite b?)
Michelle_0153Lc-Phonolite
Michelle_0154Tephritic Lc-phonolite


8 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
Michelle_01490.2920.2360.264±0.028K-ArAge of trachytesanidine10 YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyPoggio CavaliereFornaseri (1985) RDSIMF40_73Age of trachyte
Michelle_0150_c0.460.380.420±0.04K-ArAge of Ignimbrite C of LocardisanidineVS47C YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyLa RoccaFornaseri (1985) RDSIMF40_73Age of Ignimbrite C of Locardi
Michelle_01510.640.40.520±0.12K-Ar sanidine9 YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyC.le UmiltaFornaseri (1985) RDSIMF40_73 
Michelle_01520.860.420.640±0.22K-Ar sanidine8 YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyC.le ServelliFornaseri (1985) RDSIMF40_73 
Michelle_01530.910.490.700±0.21K-ArAge of lc-phonolitesanidine7 YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalySan RoccoFornaseri (1985) RDSIMF40_73Age of lc-phonolite
Michelle_015410.640.820±0.18K-ArAge of tephritic lc-phonolitesanidine6 YesSanidine  5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalySan MartinoFornaseri (1985) RDSIMF40_73Age of tephritic lc-phonolite
Be-000100.40.40.4  high   YesStoppaniiteBe2081Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy Fornaseri (1985) RDSIMF40_73 
Grew_Li_2019_00860.40.40.4      Piergorite-(Ce) 2080Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyTre Croci, Vico volcanic complex, Viterbo Province, Latium, ItalyFornaseri (1985) RSIMP40_73 


SampleSource LocalityReference URL


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