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:
Valleranello, Rome, Metropolitan City Of Rome Capital, Lazio, Italy

Oldest recorded age at locality: 0.466
Youngest recorded age at locality: 0.454

mindat Locality ID: 283518
mindat URL: http://www.mindat.org/loc-283518.html

Tectonic Settings:

Total number of sublocalities beneath "Valleranello, Rome, Metropolitan City Of Rome Capital, Lazio, Italy": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Vallerano Quarries

Latitude: 41°47'2"N
Longitude: 12°28'48"E
Decimal Degree (lat, lon): 41.783888888889,12.48

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.

Amorphous	Analcime	Apatite	Aragonite	Baryte	Calcite	Chabazite	Copper	Ettringite	Fluorite
Garnet	Gismondine	Gypsum	Harmotome	Ludwigite	Melilite	Natrolite	None	Not in a structural group	Pyroxene
Spinel	Spurrite-Afwillite	Thomsonite	Tobermorite	Tridymite	Zircon

Afwillite ()*	Analcime ()*	Andradite ()*	Aragonite ()*	Augite ()*
Baryte ()*	Cahnite ()*	Calcite ()*	Chabazite-K ()*	Copper ()*
Cuprite ()*	Ettringite ()*	Fluorapatite ()*	Fluorite ()*	Gehlenite ()*
Gismondine ()*	Grossular ()*	Gypsum ()*	Leucite ()*	Magnetite ()*
Mesolite ()*	Natrolite ()*	Nepheline ()*	Opal ()*	Phillipsite-K ()*
Spinel ()*	Thaumasite ()*	Thomsonite-Ca ()*	Tobermorite ()*	Vertumnite ()*
Vonsenite ()*

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 Ba C Ca Cu F Fe H K Mg Na O P S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Analcime Apatite Aragonite Baryte Calcite Chabazite Copper Ettringite Fluorite
Garnet Gismondine Gypsum Harmotome Ludwigite Melilite Natrolite None Not in a structural group Pyroxene
Spinel Spurrite-Afwillite Thomsonite Tobermorite Tridymite Zircon

31 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Afwillite ()*	Spurrite-Afwillite	Ca₃[SiO₄][SiO₂(OH)₂]·2H₂O	0.466	0.454	1	69237	41
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	0.466	0.454	1	69237	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	0.466	0.454	1	69237	1534
Aragonite ()*	Aragonite	Ca(CO₃)	0.466	0.454	1	69237	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	0.466	0.454	1	69237	2060
Baryte ()*	Baryte	Ba(SO₄)	0.466	0.454	1	69237	11547
Cahnite ()*	Zircon	Ca₂B(AsO₄)(OH)₄	0.466	0.454	1	69237	13
Calcite ()*	Calcite	Ca(CO₃)	0.466	0.454	1	69237	27770
Chabazite-K ()*	Chabazite	(K₂NaCa_0.5)[Al₄Si₈O₂₄]·11H₂O	0.466	0.454	1	69237	30
Copper ()*	Copper	Cu	0.466	0.454	1	69237	3846
Cuprite ()*	Not in a structural group	Cu₂O	0.466	0.454	1	69237	2970
Ettringite ()*	Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂·27H₂O	0.466	0.454	1	69237	93
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	0.466	0.454	1	69237	2740
Fluorite ()*	Fluorite	CaF₂	0.466	0.454	1	69237	9617
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	0.466	0.454	1	69237	114
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	0.466	0.454	1	69237	128
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0.466	0.454	1	69237	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0.466	0.454	1	69237	6890
Leucite ()*	Analcime	K(AlSi₂O₆)	0.466	0.454	1	69237	233
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0.466	0.454	1	69237	14899
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	0.466	0.454	1	69237	425
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	0.466	0.454	1	69237	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	0.466	0.454	1	69237	884
Opal ()*	Amorphous	SiO₂·nH₂O	0.466	0.454	1	69237	2994
Phillipsite-K ()*	Harmotome	K₆(Si₁₀Al₆)O₃₂·12H₂O	0.466	0.454	1	69237	71
Spinel ()*	Spinel	MgAl₂O₄	0.466	0.454	1	69237	1934
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	0.466	0.454	1	69237	183
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	0.466	0.454	1	69237	452
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	0.466	0.454	1	69237	114
Vertumnite ()*	None	Ca₄Al₄Si₄O₆(OH)₂₄·3H₂O	0.466	0.454	1	69237	8
Vonsenite ()*	Ludwigite	Fe²⁺₂Fe³⁺O₂(BO₃)	0.466	0.454	1	69237	62

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0253	Pre Caldera Activity - Fissural Lava Flows, tephritic leucitite

1 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	Run 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 DOI	Reference ID	Age Notes
	Michelle_0253	0.466	0.454	0.460±0.006	K-Ar	Age of tephritic leucitite		leucite	Al18			Leucite			283518	Valleranello, Rome, Metropolitan City Of Rome Capital, Lazio, Italy	Valleranello	Fornaseri (1985)		RDSIMF40_73	Age of tephritic leucitite

Sample	Source Locality	Reference URL
R070182	Vallerano Quarries, Valleranello, Rome, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R070182

All locality data graciously provided by mindat.org

All age data...