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:
Punta Della Guardia, Ponza Island, Latina Province, Lazio, Italy

Oldest recorded age at locality: 1.27
Youngest recorded age at locality: 0.77

mindat Locality ID: 54765
mindat URL: http://www.mindat.org/loc-54765.html

Tectonic Settings:

Total number of sublocalities beneath "Punta Della Guardia, Ponza Island, Latina 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

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.

Amphibole	Baddeleyite	Cancrinite-sodalite	Clay	Feldspar	Fluorite	Kaolinite	Nickeline	None	Pyroxene
Sodalite	Spinel	Titanite

Albite ()*	Augite ()*	Baddeleyite ()*	Kaolinite ()*	Magnesio-hastingsite ()*
Magnetite ()*	Nosean ()*	Pyrrhotite ()*	Sanidine ()*	Thorianite ()*
Titanite ()*	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: Al Ca Fe H K Mg Na O S Si Th Ti U Zr

Structural Groups for minerals in this locality:
Amphibole Baddeleyite Cancrinite-sodalite Clay Feldspar Fluorite Kaolinite Nickeline None Pyroxene
Sodalite Spinel Titanite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1.25	1.15	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1.25	1.15	2060
Baddeleyite ()*	Baddeleyite	ZrO₂	1.25	1.15	238
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1.25	1.15	5591
Magnesio-hastingsite ()*	Amphibole	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	1.25	1.15	80
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1.25	1.15	14899
Nosean ()*	Sodalite Cancrinite-sodalite	Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O	1.25	1.15	75
Pyrrhotite ()*	Nickeline	Fe₇S₈	1.25	1.15	9056
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1.25	1.15	598
Thorianite ()*	Fluorite	ThO₂	1.25	1.15	236
Titanite ()*	Titanite	CaTi(SiO₄)O	1.25	1.15	4899
Uraninite ()*	Fluorite	UO₂	1.25	1.15	2718
Zirkelite ()*	Fluorite	(Ti,Ca,Zr)O_2-x	1.25	1.15	27

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0174	Trachyte
Michelle_0175_a	Phonolite
Michelle_0176_b	Phonolite
Michelle_0182	Trachyte, from Mindat: "Feldspathoid-bearing syenite xenoliths in trachytic pyroclastic flow"

4 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	Age from other Locality	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	Yes		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	Yes		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	Yes	Sanidine	146131	Ponza Island, Latina Province, Lazio, Italy	Santo Stefano	Fornaseri (1985)	RDSIMF40_73	Age of phonolite
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...