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:
Monte Sassetto, Allumiere, Tolfa Mts District, Metropolitan City Of Rome Capital, Lazio, Italy

Oldest recorded age at locality: 7.4
Youngest recorded age at locality: 5.4

mindat Locality ID: 189463
mindat URL: http://www.mindat.org/loc-189463.html

Tectonic Settings:

Total number of sublocalities beneath "Monte Sassetto, Allumiere, Tolfa Mts District, Metropolitan City Of Rome Capital, 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.

Beryl	Feldspar	Humite	None	Titanite	Zircon

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 F K Mg O Si Ti Zr

Elements from minerals reported directly at this locality: Al Ca F K Mg O Si Ti Zr

Structural Groups for minerals in this locality:
Beryl Feldspar Humite None Titanite Zircon

5 IMA Minerals at location:

Chondrodite ()*	Cordierite ()*	Sanidine ()*	Titanite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	7.4	5.4	285
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	7.4	5.4	1008
Sanidine ()*	Feldspar	K(AlSi₃O₈)	7.4	5.4	598
Titanite ()*	Titanite	CaTi(SiO₄)O	7.4	5.4	4899
Zircon ()*	Zircon	Zr(SiO₄)	7.4	5.4	5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0072	Rhyolitic dome with lava, tuffs, ignimbrites, and xenoliths

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_0072	7.4	5.4	6.4±1.0	K-Ar	Age of inclusions		biotite	K22						189463	Monte Sassetto, Allumiere, Tolfa Mts District, Metropolitan City Of Rome Capital, Lazio, Italy	Monte Sassetto	Fornaseri (1985)		RDSIMF40_73	Age of biotite from Bi-Melalatite. Sample described as coming from an inclusion.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...