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:
Phonolitic Pyroclastic Flow, Piansano, 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: 68281
mindat URL: http://www.mindat.org/loc-68281.html

Tectonic Settings:

Total number of sublocalities beneath "Phonolitic Pyroclastic Flow, Piansano, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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: Ba C Ca F Fe H O P S 

Elements from minerals reported directly at this locality: Ba C Ca F Fe H O P S 

Structural Groups for minerals in this locality: 
ApatiteBaryteCalciteDiasporeNone

4 IMA Minerals at location:
Baryte  (*)Calcite  (*)Fluorapatite  (*)Goethite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)10.236011547
Calcite  (*)CalciteCa(CO3)10.236027770
Fluorapatite  (*)ApatiteCa5(PO4)3F10.23602740
Goethite  (*)DiasporeFeO(OH)10.23607437



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


6 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


SampleSource LocalityReference URL


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