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:
Pian Di San Martino, 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: 233845
mindat URL: http://www.mindat.org/loc-233845.html

Tectonic Settings:

Total number of sublocalities beneath "Pian Di San Martino, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°20'46"N
Longitude: 12°3'45"E
Decimal Degree (lat, lon): 42.346111111111,12.0625

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.

Analcime	Calcite	Cancrinite	Cancrinite-sodalite	Clay	Corundum	Cristobalite	Feldspar	Fluorite	Hellandite
Ludwigite	Mica	Milarite	None	Not in a structural group	Okanoganite	Pseudobrookite	Pyroxene	Rutile	Sodalite
Spinel	Titanite	Tridymite	Zircon	Zirconolite

Afghanite ()*	Anatase ()*	Augite ()*	Cancrinite ()*	Cristobalite ()*
Diopside ()*	Fluorite ()*	Hellandite-(Ce) ()*	Hematite ()*	Magnetite ()*
Nepheline ()*	Nosean ()*	Osumilite-(Mg) ()*	Phlogopite ()*	Pollucite ()*
Pseudobrookite ()*	Rutile ()*	Sanidine ()*	Siderite ()*	Sodalite ()*
Thorianite ()*	Thorite ()*	Titanite ()*	Tridymite ()*	Vicanite-(Ce) ()*
Vonsenite ()*	Zircon ()*	Zirconolite ()*

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 C Ca Ce Cl Cs F Fe H K La Mg Na O REE S Si Th Ti Y Zr

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

Structural Groups for minerals in this locality:
Analcime Calcite Cancrinite Cancrinite-sodalite Clay Corundum Cristobalite Feldspar Fluorite Hellandite
Ludwigite Mica Milarite None Not in a structural group Okanoganite Pseudobrookite Pyroxene Rutile Sodalite
Spinel Titanite Tridymite Zircon Zirconolite

28 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Afghanite ()*	Cancrinite-sodalite	(Na,K)₂₂Ca₁₀(Si₂₄Al₂₄)O₉₆(SO₄)₆Cl₆	1	0.236	25
Anatase ()*	Not in a structural group	TiO₂	1	0.236	2162
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	0.236	2060
Cancrinite ()*	Cancrinite	(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O	1	0.236	232
Cristobalite ()*	Cristobalite	SiO₂	1	0.236	453
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	0.236	4135
Fluorite ()*	Fluorite	CaF₂	1	0.236	9617
Hellandite-(Ce) ()*	Hellandite	(Ca,REE)₄Ce₂Al ₂(B₄Si₄O₂₂)(OH)₂	1	0.236	8
Hematite ()*	Corundum	Fe₂O₃	1	0.236	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	0.236	14899
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	0.236	884
Nosean ()*	Sodalite Cancrinite-sodalite	Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O	1	0.236	75
Osumilite-(Mg) ()*	Milarite	KMg₂Al₃(Al₂Si₁₀)O₃₀	1	0.236	42
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	0.236	2273
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	1	0.236	140
Pseudobrookite ()*	Pseudobrookite	(Fe³⁺₂Ti)O₅	1	0.236	164
Rutile ()*	Rutile	TiO₂	1	0.236	5614
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1	0.236	598
Siderite ()*	Calcite	Fe(CO₃)	1	0.236	6417
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	1	0.236	444
Thorianite ()*	Fluorite	ThO₂	1	0.236	236
Thorite ()*	Zircon	Th(SiO₄)	1	0.236	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	1	0.236	4899
Tridymite ()*	Tridymite	SiO₂	1	0.236	458
Vicanite-(Ce) ()*	Okanoganite	(Ca,Ce,La,Th)₁₅As⁵⁺(As³⁺,Na)_0.5Fe³⁺_0.7Si₆B₄(O,F)₄₇	1	0.236	6
Vonsenite ()*	Ludwigite	Fe²⁺₂Fe³⁺O₂(BO₃)	1	0.236	62
Zircon ()*	Zircon	Zr(SiO₄)	1	0.236	5251
Zirconolite ()*	Zirconolite	(Ca,Y)Zr(Ti,Mg,Al)₂O₇	1	0.236	140

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0149	Trachyte, poggio translates to "Knoll"
Michelle_0150_c	Ignimbrite C of Locardi
Michelle_0151	(Tufo rosso a scorie nere auct.)
Michelle_0152	Black pozzolana (Ignimbrite b?)
Michelle_0153	Lc-Phonolite
Michelle_0154	Tephritic Lc-phonolite

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID	Age Notes
Michelle_0149	0.292	0.236	0.264±0.028	K-Ar	Age of trachyte		sanidine	10	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	Poggio Cavaliere	Fornaseri (1985)	RDSIMF40_73	Age of trachyte
Michelle_0150_c	0.46	0.38	0.420±0.04	K-Ar	Age of Ignimbrite C of Locardi		sanidine	VS47C	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	La Rocca	Fornaseri (1985)	RDSIMF40_73	Age of Ignimbrite C of Locardi
Michelle_0151	0.64	0.4	0.520±0.12	K-Ar			sanidine	9	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	C.le Umilta	Fornaseri (1985)	RDSIMF40_73
Michelle_0152	0.86	0.42	0.640±0.22	K-Ar			sanidine	8	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	C.le Servelli	Fornaseri (1985)	RDSIMF40_73
Michelle_0153	0.91	0.49	0.700±0.21	K-Ar	Age of lc-phonolite		sanidine	7	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	San Rocco	Fornaseri (1985)	RDSIMF40_73	Age of lc-phonolite
Michelle_0154	1	0.64	0.820±0.18	K-Ar	Age of tephritic lc-phonolite		sanidine	6	Yes	Sanidine			5749	Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy	San Martino	Fornaseri (1985)	RDSIMF40_73	Age of tephritic lc-phonolite
Be-00010	0.4	0.4	0.4			high			Yes		Stoppaniite	Be	2081	Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy		Fornaseri (1985)	RDSIMF40_73

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...