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:
Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy

Oldest recorded age at locality: 0.82
Youngest recorded age at locality: 0.258

mindat Locality ID: 29170
mindat URL: http://www.mindat.org/loc-29170.html

Tectonic Settings:

Total number of sublocalities beneath "Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy": 15
Total number of bottom-level sublocalities: 11

Number of Child Localities: 9
Child Localities:
Acqua Acetosa (Acquacetosa)
Albano Laziale
Ariccia
Frascati
Lake Nemi
Marino
Rocca Di Papa
San Valentino
Vallerano

Latitude: 41°45'22"N
Longitude: 12°41'8"E
Decimal Degree (lat, lon): 41.756111111111,12.685555555556

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.

Allanite	Amorphous	Amphibole	Analcime	Apatite	Artinite	Baddeleyite	Baryte	Calcite	Cancrinite
Cancrinite-sodalite	Chabazite	Clay	Copper	Corundum	Danburite	Epidote	Ettringite	Feldspar	Fluorite
Garnet	Gismondine	Gypsum	Harkerite	Latiumite	Mica	Natrolite	Nickeline	None	Not in a structural group
Okanoganite	Olivine	Perovskite	Pyrite	Pyroxene	Rocksalt	Sodalite	Sphalerite	Spinel	Spurrite-Afwillite
Titanite	Tobermorite	Tridymite	Vesuvianite	Wollastonite	Wöhlerite	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 Ba C Ca Ce Cl Cu F Fe H K La Mg Na O P Pb S Si Th Ti Y Zn Zr

Elements from minerals reported directly at this locality: Al As B Ba C Ca Ce Cu F Fe H La Mg Na O P Pb S Si Th Ti Y Zr

Structural Groups for minerals in this locality:
Allanite Amorphous Amphibole Analcime Apatite Artinite Baddeleyite Baryte Calcite Cancrinite
Cancrinite-sodalite Chabazite Clay Copper Corundum Danburite Epidote Ettringite Feldspar Fluorite
Garnet Gismondine Gypsum Harkerite Latiumite Mica Natrolite Nickeline None Not in a structural group
Okanoganite Olivine Perovskite Pyrite Pyroxene Rocksalt Sodalite Sphalerite Spinel Spurrite-Afwillite
Titanite Tobermorite Tridymite Vesuvianite Wollastonite Wöhlerite Zircon Zirconolite

76 IMA Minerals at location:

Afwillite ()*	Allanite-(Ce) ()*	Analcime ()*	Andradite ()*	Anorthite ()*
Artinite ()*	Augite ()*	Baddeleyite ()*	Baryte ()*	Britholite-(Ce) ()*
Calcite ()*	Chabazite-K ()*	Copper ()*	Corundum ()*	Cuprite ()*
Cuspidine ()*	Danburite ()*	Diopside ()*	Ekanite ()*	Ettringite ()*
Fluoborite ()*	Fluorapatite ()*	Fluorite ()*	Forsterite ()*	Franzinite ()*
Galena ()*	Geikielite ()*	Gismondine ()*	Götzenite ()*	Grandidierite ()*
Grossular ()*	Gypsum ()*	Harkerite ()*	Hastingsite ()*	Haüyne ()*
Hedenbergite ()*	Hydromagnesite ()*	Kaliophilite ()*	Kalsilite ()*	Larnite ()*
Latiumite ()*	Lazurite ()*	Lead ()*	Leucite ()*	Maghemite ()*
Magnesio-hastingsite ()*	Magnesioferrite ()*	Magnetite ()*	Mesolite ()*	Monticellite ()*
Nepheline ()*	Nosean ()*	Opal ()*	Periclase ()*	Perovskite ()*
Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*	Richterite ()*	Sanidine ()*
Sodalite ()*	Sphalerite ()*	Spinel ()*	Stillwellite-(Ce) ()*	Thaumasite ()*
Thorite ()*	Titanite ()*	Tobermorite ()*	Vertumnite ()*	Vesuvianite ()*
Vicanite-(Ce) ()*	Vishnevite ()*	Wiluite ()*	Wollastonite ()*	Zircon ()*
Zirconolite ()*

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	0.82	0.258	0		41
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	0.82	0.258	0		706
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	0.82	0.258	0		1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	0.82	0.258	5	69177,69179,69180,69181,69187	1534
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	0.82	0.258	1	69179	1036
Artinite ()*	Artinite	Mg₂(CO₃)(OH)₂·3H₂O	0.82	0.258	1	69177	75
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	0.82	0.258	4	69179,69180,69181,69187	2060
Baddeleyite ()*	Baddeleyite	ZrO₂	0.82	0.258	2	69177,69184	238
Baryte ()*	Baryte	Ba(SO₄)	0.82	0.258	0		11547
Britholite-(Ce) ()*	Apatite	(Ce,Ca)₅(SiO₄)₃(OH)	0.82	0.258	0		115
Calcite ()*	Calcite	Ca(CO₃)	0.82	0.258	5	69175,69178,69179,69180,69189	27770
Chabazite-K ()*	Chabazite	(K₂NaCa_0.5)[Al₄Si₈O₂₄]·11H₂O	0.82	0.258	1	69189	30
Copper ()*	Copper	Cu	0.82	0.258	0		3846
Corundum ()*	Corundum	Al₂O₃	0.82	0.258	1	69184	1797
Cuprite ()*	Not in a structural group	Cu₂O	0.82	0.258	0		2970
Cuspidine ()*	Wöhlerite	Ca₈(Si₂O₇)₂F₄	0.82	0.258	2	69179,69180	67
Danburite ()*	Danburite	CaB₂Si₂O₈	0.82	0.258	0		148
Diopside ()*	Pyroxene	CaMgSi₂O₆	0.82	0.258	1	69177	4135
Ekanite ()*	Amorphous	Ca₂ThSi₈O₂₀	0.82	0.258	1	69177	16
Ettringite ()*	Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂·27H₂O	0.706	0.706	1	69175	93
Fluoborite ()*	None	Mg₃(BO₃)F₃	0.82	0.258	2	69176,69177	52
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	0.82	0.258	0		2740
Fluorite ()*	Fluorite	CaF₂	0.82	0.258	1	69177	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	0.82	0.258	2	69179,69184	1188
Franzinite ()*	Cancrinite-sodalite	(Na,K)₃₀Ca₁₀(Si₃₀Al₃₀)O₁₂₀(SO₄)₁₀·2H₂O	0.82	0.258	3	69176,69179,69180	9
Galena ()*	Rocksalt	PbS	0.82	0.258	0		24243
Geikielite ()*	Corundum	MgTiO₃	0.82	0.258	0		70
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	0.82	0.258	2	69180,69189	128
Götzenite ()*	None	Ca₄NaCa₂Ti(Si₂O₇)₂(OF)F₂	0.82	0.258	1	69180	27
Grandidierite ()*	None	MgAl₃O₂(BO₃)(SiO₄)	0.82	0.258	1	69184	40
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0.82	0.258	2	69177,69179	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0.82	0.258	0		6890
Harkerite ()*	Harkerite	Ca₄₈Mg₁₆[AlSi₄O₁₅(OH)]₄(BO₃)₁₆(CO₃)₁₆·2(H₂O,HCl)	0.82	0.258	1	69179	11
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	0.82	0.258	0		209
Haüyne ()*	Sodalite Cancrinite-sodalite	Na₃Ca(Si₃Al₃)O₁₂(SO₄)	0.82	0.258	4	69177,69179,69180,69182	158
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	0.82	0.258	0		741
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	0.82	0.258	3	69177,69179,69180	341
Kaliophilite ()*	None	KAlSiO₄	0.82	0.258	3	69177,69180,69184	8
Kalsilite ()*	None	KAlSiO₄	0.82	0.258	1	69184	49
Larnite ()*	Not in a structural group	Ca₂(SiO₄)	0.82	0.258	0		48
Latiumite ()*	Latiumite	(Ca,K)₄(Si,Al)₅O₁₁(SO₄,CO₃)	0.82	0.258	2	69179,69187	7
Lazurite ()*	Cancrinite-sodalite Sodalite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)^1-·H₂O	0.82	0.258	1	69180	37
Lead ()*	Copper	Pb	0.82	0.258	1	69177	192
Leucite ()*	Analcime	K(AlSi₂O₆)	0.706	0.258	5	69175,69179,69180,69181,69189	233
Maghemite ()*	Spinel	(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄	0.82	0.258	1	69188	229
Magnesio-hastingsite ()*	Amphibole	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	0.82	0.258	0		80
Magnesioferrite ()*	Spinel	MgFe³⁺₂O₄	0.82	0.258	1	69184	98
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0.82	0.258	4	69177,69179,69180,69187	14899
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	0.82	0.258	1	69180	425
Monticellite ()*	Olivine	CaMg(SiO₄)	0.82	0.258	1	69177	153
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	0.82	0.258	6	69175,69177,69178,69179,69180,69189	884
Nosean ()*	Sodalite Cancrinite-sodalite	Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O	0.82	0.258	0		75
Opal ()*	Amorphous	SiO₂·nH₂O	0.82	0.258	1	69179	2994
Periclase ()*	Rocksalt	MgO	0.82	0.258	2	69177,69179	114
Perovskite ()*	Perovskite	CaTiO₃	0.82	0.258	1	69184	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	0.82	0.258	3	69178,69179,69180	2273
Pyrite ()*	Pyrite	FeS₂	0.82	0.258	1	69179	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	0.82	0.258	1	69177	9056
Richterite ()*	Amphibole	Na(NaCa)Mg₅Si₈O₂₂(OH)₂	0.82	0.258	1	69177	148
Sanidine ()*	Feldspar	K(AlSi₃O₈)	0.82	0.258	4	69177,69179,69184,69185	598
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	0.82	0.258	3	69179,69180,69185	444
Sphalerite ()*	Sphalerite	ZnS	0.82	0.258	1	69177	21482
Spinel ()*	Spinel	MgAl₂O₄	0.82	0.258	3	69179,69180,69184	1934
Stillwellite-(Ce) ()*	None	CeBSiO₅	0.82	0.258	0		19
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	0.82	0.258	0		183
Thorite ()*	Zircon	Th(SiO₄)	0.82	0.258	0		1006
Titanite ()*	Titanite	CaTi(SiO₄)O	0.82	0.258	2	69177,69179	4899
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	0.82	0.258	0		114
Vertumnite ()*	None	Ca₄Al₄Si₄O₆(OH)₂₄·3H₂O	0.82	0.258	0		8
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	0.82	0.258	2	69179,69180	1395
Vicanite-(Ce) ()*	Okanoganite	(Ca,Ce,La,Th)₁₅As⁵⁺(As³⁺,Na)_0.5Fe³⁺_0.7Si₆B₄(O,F)₄₇	0.82	0.258	0		6
Vishnevite ()*	Cancrinite-sodalite Cancrinite	Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O	0.82	0.258	0		21
Wiluite ()*	Vesuvianite	Ca₁₉(Al,Mg)₁₃(B, ,Al)₅(SiO₄)₁₀(Si₂O₇)₄(O,OH)₁₀	0.82	0.258	1	69180	6
Wollastonite ()*	Wollastonite	CaSiO₃	0.82	0.258	3	69178,69179,69180	1247
Zircon ()*	Zircon	Zr(SiO₄)	0.82	0.258	0		5251
Zirconolite ()*	Zirconolite	(Ca,Y)Zr(Ti,Mg,Al)₂O₇	0.82	0.258	0		140

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0163	Scoriacious agglomerate
Michelle_0191_a	Tuff
Michelle_0192_b	Tuff
Michelle_0193_c	Tuff
Michelle_0194_d	Tuff
Michelle_0195_e	Tuff
Michelle_0196_f	Tuff
Michelle_0197_g	Tuff
Michelle_0198_h	Tuff
Michelle_0199_i	Tuff
Michelle_0200_j	Tuff
Michelle_0201_k	Tuff
Michelle_0202_l	Tuff
Michelle_0203_m	Tuff
Michelle_0204_n	Tuff
Michelle_0205_o	Tuff
Michelle_0206_p	Tuff
Michelle_0238	Post Caldera Activity - Lateral, tephritic leucitite
Michelle_0242	Post Caldera Activity - Lateral, tephritic leucitite
Michelle_0243	Post Caldera Activity - Lateral, tephritic leucitite
Michelle_0244_a	Pre Caldera Activity - Complex of Lower Pyroclastics, Tufo di Villa Senni formation
Michelle_0245	Pre Caldera Activity - Complex of Lower Pyroclastics, Tufo di Villa Senni formation
Michelle_0246_b	Pre Caldera Activity - Complex of Lower Pyroclastics, Tufo di Villa Senni formation
Michelle_0247	Pre Caldera Activity - Complex of Lower Pyroclastics, Tufo di Villa Senni formation
Michelle_0248_a	Pre Caldera Activity - Complex of Lower Pyroclastics, rock type described as "Tufo litoide"
Michelle_0249_b	Pre Caldera Activity - Complex of Lower Pyroclastics, rock type described as "Archaeol. layer"
Michelle_0250_c	Pre Caldera Activity - Complex of Lower Pyroclastics, rock type described as "cinerite"
Michelle_0251_d	Pre Caldera Activity - Complex of Lower Pyroclastics, rock type described as "limnosol"
Michelle_0252	Pre Caldera Activity - Fissural Lava Flows, tephritic leucitite
Michelle_0254	Pre Caldera Activity - Fissural Lava Flows, leucitite
Michelle_0255	Pre Caldera Activity - Fissural Lava Flows. No rock type described

31 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID	Age Notes
Michelle_0163	0.277	0.277	0.277	K-Ar	Age of Scoriacious agglomerate	leucite	KA409	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	M. Cavo	Fornaseri (1985)	RDSIMF40_73	Age of Scoriacious agglomerate. Post-caldera activity phase
Michelle_0191_a	0.358	0.326	0.342±0.016	Ar-Ar	Age of tuff	leucite	VS3	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0192_b	0.363	0.333	0.348±0.015	Ar-Ar	Age of tuff	biotite	VS3		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0193_c	0.359	0.327	0.343±0.016	Ar-Ar	Age of tuff	leucite	VS4A	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0194_d	0.358	0.324	0.341±0.017	Ar-Ar	Age of tuff	biotite	VS4A		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0195_e	0.361	0.297	0.329±0.032	Ar-Ar	Age of tuff	leucite	VS4B	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0196_f	0.354	0.316	0.335±0.019	Ar-Ar	Age of tuff	leucite	VS4B	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0197_g	0.402	0.358	0.38±0.022	Ar-Ar	Age of tuff	biotite	VS5		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0198_h	0.356	0.316	0.336±0.02	Ar-Ar	Age of tuff	leucite	VS5	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0199_i	0.293	0.263	0.278±0.015	Ar-Ar	Age of tuff	biotite	VS6		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0200_j	0.355	0.311	0.333±0.022	Ar-Ar	Age of tuff	leucite	VS7	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0201_k	0.369	0.319	0.344±0.025	Ar-Ar	Age of tuff	biotite	VS7		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0202_l	0.349	0.315	0.332±0.017	Ar-Ar	Age of tuff	leucite	VS8	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0203_m	0.363	0.325	0.344±0.019	Ar-Ar	Age of tuff	leucite	VS10	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0204_n	0.392	0.352	0.372±0.020	Rb-Sr	Age of tuff	leucite, biotite	VS3		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0205_o	0.387	0.287	0.337±0.05	Rb-Sr	Age of tuff	leucite, biotite, pyroxene	VS58		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0206_p	0.354	0.314	0.334±0.02	Rb-Sr	Age of tuff	leucite, biotite, pyroxene	VS10		29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tufo di Villa Senni Formation	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0238	0.268	0.268	0.268	K-Ar	Age of tephritic leucitite	leucite	KA855	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Pte. Divino Amore	Fornaseri (1985)	RDSIMF40_73	Age of tephritic leucitite
Michelle_0242	0.27	0.258	0.264±0.006	K-Ar	Age of tephritic leucitite	leucite	Al30	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Saponara	Fornaseri (1985)	RDSIMF40_73	Age of tephritic leucitite
Michelle_0243	0.281	0.265	0.273±0.008	K-Ar	Age of tephritic leucitite	leucite	Al33	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	East of Saponara	Fornaseri (1985)	RDSIMF40_73	Age of tephritic leucitite
Michelle_0244_a	0.56	0.48	0.520±0.04	K-Ar	Age of tuff	leucite		Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Mola Cavona	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0245	0.63	0.55	0.590±0.04	K-Ar	Age of tuff	leucite		Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Tta Falcognana	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0246_b	0.82	0.42	0.620±0.200	K-Ar	Age of tuff	biotite			29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Mola Cavona	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0247	0.36	0.344	0.352±0.008	K-Ar	Age of tuff	leucite	FG	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Cle Formagrotta	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0248_a	0.3705	0.3615	0.366±0.0045	K-Ar	Age of tuff	leucite	LS4	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Fontana Ranuccio (Anagni)	Fornaseri (1985)	RDSIMF40_73	Age of tuff
Michelle_0249_b	0.4637	0.4523	0.458±0.0057	K-Ar		leucite	LS3	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Fontana Ranuccio (Anagni)	Fornaseri (1985)	RDSIMF40_73
Michelle_0250_c	0.4945	0.4795	0.487±0.0075	K-Ar	Age of cinerite	leucite	LS2	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Fontana Ranuccio (Anagni)	Fornaseri (1985)	RDSIMF40_73	Age of cinerite
Michelle_0251_d	0.534	0.522	0.528±0.006	K-Ar	Age of limnsol	leucite	LS1	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Fontana Ranuccio (Anagni)	Fornaseri (1985)	RDSIMF40_73	Age of limnsol
Michelle_0254	0.493	0.481	0.487±0.006	K-Ar	Age of leucitite	leucite	Al9	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	East of Tuscolo	Fornaseri (1985)	RDSIMF40_73	Age of leucitite
Michelle_0255	0.533	0.515	0.524±0.009	K-Ar		leucite	Al38	Leucite	29170	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Ftte Marcaccio (M. Artemisio)	Fornaseri (1985)	RDSIMF40_73
Michelle_0252	0.706	0.706	0.706	K-Ar	Age of tephritic leucitite	leucite	KA348	Leucite	209173	Acqua Acetosa (Acquacetosa), Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	Acqua Acetosa	Fornaseri (1985)	RDSIMF40_73	Age of tephritic leucitite

Sample	Source Locality	Reference URL
R060300	Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R060300
R060049	Ariccia, Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R060049
R050606	Ariccia, Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R050606
R140781	Parco Chigi, Ariccia, Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R140781
R060801	Marino, Alban Hills, Metropolitan City Of Rome Capital, Lazio, Italy	https://rruff.info/R060801

All locality data graciously provided by mindat.org

All age data...