Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

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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:
Ponza Island, Latina Province, Lazio, Italy

Oldest recorded age at locality: 5.17
Youngest recorded age at locality: 0.77

mindat Locality ID: 146131
mindat URL: http://www.mindat.org/loc-146131.html

Tectonic Settings:

Total number of sublocalities beneath "Ponza Island, Latina Province, Lazio, Italy": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Cala Fontana Old Quarry
Punta Della Guardia

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

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	Amphibole	Baddeleyite	Cancrinite-sodalite	Clay	Cristobalite	Feldspar	Fluorite	Kaolinite	Mica
Mordenite	Nickeline	None	Pyroxene	Quartz	Sodalite	Spinel	Titanite	Tridymite

Albite ()*	Augite ()*	Baddeleyite ()*	Cristobalite ()*	Kaolinite ()*
Magnesio-hastingsite ()*	Magnetite ()*	Mordenite ()*	Muscovite ()*	Nosean ()*
Opal ()*	Pyrrhotite ()*	Quartz ()*	Sanidine ()*	Thorianite ()*
Titanite ()*	Tridymite ()*	Uraninite ()*	Zirkelite ()*

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 Ca Fe H K Mg Na O S Si Th Ti U Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Baddeleyite Cancrinite-sodalite Clay Cristobalite Feldspar Fluorite Kaolinite Mica
Mordenite Nickeline None Pyroxene Quartz Sodalite Spinel Titanite Tridymite

19 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	1.25	1.15	1	69171	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1.27	0.77	2	69170,69171	2060
Baddeleyite ()*	Baddeleyite	ZrO₂	1.25	1.15	1	69171	238
Cristobalite ()*	Cristobalite	SiO₂	1.27	0.77	1	69170	453
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1.27	0.77	2	69170,69171	5591
Magnesio-hastingsite ()*	Amphibole	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	1.25	1.15	1	69171	80
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1.25	1.15	1	69171	14899
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	1.27	0.77	1	69170	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1.27	0.77	1	69170	17380
Nosean ()*	Sodalite Cancrinite-sodalite	Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O	1.25	1.15	1	69171	75
Opal ()*	Amorphous	SiO₂·nH₂O	1.27	0.77	1	69170	2994
Pyrrhotite ()*	Nickeline	Fe₇S₈	1.25	1.15	1	69171	9056
Quartz ()*	Quartz	SiO₂	1.27	0.77	1	69170	61156
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1.25	0.77	2	69170,69171	598
Thorianite ()*	Fluorite	ThO₂	1.25	1.15	1	69171	236
Titanite ()*	Titanite	CaTi(SiO₄)O	1.25	1.15	1	69171	4899
Tridymite ()*	Tridymite	SiO₂	1.27	0.77	1	69170	458
Uraninite ()*	Fluorite	UO₂	1.25	1.15	1	69171	2718
Zirkelite ()*	Fluorite	(Ti,Ca,Zr)O_2-x	1.25	1.15	1	69171	27

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0174	Trachyte
Michelle_0175_a	Phonolite
Michelle_0176_b	Phonolite
Michelle_0177_a	Rhyolite, glassy
Michelle_0178_b	Rhyolite, glassy
Michelle_0179_c	Rhyolite, compact
Michelle_0180_d	Rhyolite, dyke
Michelle_0181	Retinite of P44
Michelle_0182	Trachyte, from Mindat: "Feldspathoid-bearing syenite xenoliths in trachytic pyroclastic flow"
Michelle_0183	Perlite
Michelle_0184	Rhyolite
Michelle_0185	Rhyolite
Michelle_0186	Rhyolite

13 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_0174	1.27	1.19	1.23±0.04	K-Ar	Age of trachyte		8/491		146131	Ponza Island, Latina Province, Lazio, Italy	La Botte	Fornaseri (1985)	RDSIMF40_73	Age of trachyte
Michelle_0175_a	1.24	1.16	1.2±0.04	K-Ar	Age of phonolite		63		146131	Ponza Island, Latina Province, Lazio, Italy	Santo Stefano	Fornaseri (1985)	RDSIMF40_73	Age of phonolite
Michelle_0176_b	0.83	0.77	0.8±0.03	K-Ar	Age of phonolite	sanidine	7/606	Sanidine	146131	Ponza Island, Latina Province, Lazio, Italy	Santo Stefano	Fornaseri (1985)	RDSIMF40_73	Age of phonolite
Michelle_0177_a	4.86	4.54	4.7±0.16	K-Ar	Age of rhyolite	biotite	P13		146131	Ponza Island, Latina Province, Lazio, Italy	Punta Nera (base of series)	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0178_b	5.17	4.83	5.0±0.17	K-Ar	Age of rhyolite		P105		146131	Ponza Island, Latina Province, Lazio, Italy	Punta Nera (base of series)	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0179_c	4.2	3.92	4.06±0.14	K-Ar	Age of rhyolite		P107		146131	Ponza Island, Latina Province, Lazio, Italy	Punta Nera (base of series)	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0180_d	1.97	1.83	1.9±0.07	K-Ar	Age of rhyolite		P44		146131	Ponza Island, Latina Province, Lazio, Italy	Punta Nera (base of series)	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0181	1.14	1.06	1.1±0.04	K-Ar	Age of retinite		102		146131	Ponza Island, Latina Province, Lazio, Italy	Cala Inferno	Fornaseri (1985)	RDSIMF40_73	Age of retinite
Michelle_0183	4.52	4.2	4.36±0.16	K-Ar	Age of perlite		PNZ46b		146131	Ponza Island, Latina Province, Lazio, Italy	Cala d. Acqua	Fornaseri (1985)	RDSIMF40_73	Age of perlite
Michelle_0184	4.62	4.24	4.43±0.19	K-Ar	Age of rhyolite		PNZ20		146131	Ponza Island, Latina Province, Lazio, Italy	Punta Bianca	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0185	4.45	3.47	3.96±0.49	K-Ar	Age of rhyolite		PNZ4		146131	Ponza Island, Latina Province, Lazio, Italy	M. Pagliaro	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0186	4.61	4.29	4.45±0.16	K-Ar	Age of rhyolite		PNZ3		146131	Ponza Island, Latina Province, Lazio, Italy	S. Maria	Fornaseri (1985)	RDSIMF40_73	Age of rhyolite
Michelle_0182	1.25	1.15	1.2±0.05	K-Ar	Age of trachyte	feldspar	102		54765	Punta Della Guardia, Ponza Island, Latina Province, Lazio, Italy	M. La Guardia	Fornaseri (1985)	RDSIMF40_73	Age of trachyte

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...