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:
Alghero, Sassari Province, Sardinia, Italy

Oldest recorded age at locality: 34
Youngest recorded age at locality: 27

mindat Locality ID: 22004
mindat URL: http://www.mindat.org/loc-22004.html

Tectonic Settings:

Total number of sublocalities beneath "Alghero, Sassari Province, Sardinia, Italy": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Calabona Area
Calabona Mine
La Speranza
Punta De Libezzu

Latitude: 40°37'54"N
Longitude: 8°15'24"E
Decimal Degree (lat, lon): 40.631666666667,8.2566666666667

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.

Allophane	Analcime	Aragonite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Covellite	Digenite
Enargite	Epidote	Feldspar	Gypsum	Kaolinite	Malachite	Marcasite	Mica	Molybdenite	None
Not in a structural group	Pyrite	Quartz	Rocksalt	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Stannite	Stilbite
Tetrahedrite	Wurtzite

Albite ()*	Allophane ()*	Alunite ()*	Analcime ()*	Anhydrite ()*
Aragonite ()*	Azurite ()*	Bornite ()*	Calcite ()*	Cerussite ()*
Chalcocite ()*	Chalcophanite ()*	Chalcopyrite ()*	Chrysocolla ()*	Copper ()*
Covellite ()*	Cuprite ()*	Digenite ()*	Djurleite ()*	Enargite ()*
Epidote ()*	Famatinite ()*	Galena ()*	Gold ()*	Gypsum ()*
Hemimorphite ()*	Hetaerolite ()*	Kaolinite ()*	Laumontite ()*	Luzonite ()*
Magnetite ()*	Malachite ()*	Manganite ()*	Marcasite ()*	Molybdenite ()*
Montmorillonite ()*	Muscovite ()*	Pyrite ()*	Pyrolusite ()*	Quartz ()*
Smithsonite ()*	Sphalerite ()*	Stellerite ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*

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 Au C Ca Cu Fe H K Mg Mn Mo Na O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: C Ca O

Structural Groups for minerals in this locality:
Allophane Analcime Aragonite Calcite Chalcopyrite Clay Clinozoisite Copper Covellite Digenite
Enargite Epidote Feldspar Gypsum Kaolinite Malachite Marcasite Mica Molybdenite None
Not in a structural group Pyrite Quartz Rocksalt Rutile Smectite-vermiculite Sphalerite Spinel Stannite Stilbite
Tetrahedrite Wurtzite

45 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)	34	27	1	71430	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	34	27	1	71430	470
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	34	27	1	71430	966
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			1	71432	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	34	27	1	71430	1588
Aragonite ()*	Aragonite	Ca(CO₃)	34	27	0		3250
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	34	27	1	71430	5509
Bornite ()*	None	Cu₅FeS₄	34	27	1	71430	5516
Calcite ()*	Calcite	Ca(CO₃)	34	27	3	71429,71430,71432	27770
Cerussite ()*	Aragonite	Pb(CO₃)			1	71429	4979
Chalcocite ()*	None	Cu₂S	34	27	1	71430	5707
Chalcophanite ()*	None	ZnMn⁴⁺₃O₇·3H₂O			1	71429	197
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	34	27	1	71430	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	34	27	1	71430	3531
Copper ()*	Copper	Cu	34	27	1	71430	3846
Covellite ()*	Covellite	CuS	34	27	1	71430	4165
Cuprite ()*	Not in a structural group	Cu₂O	34	27	1	71430	2970
Digenite ()*	Digenite	Cu_1.8S	34	27	1	71430	1027
Djurleite ()*	None	Cu₃₁S₁₆	34	27	1	71430	300
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	34	27	1	71430	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	34	27	1	71430	8173
Famatinite ()*	Stannite Sphalerite	Cu₃SbS₄	34	27	1	71430	163
Galena ()*	Rocksalt	PbS	34	27	2	71429,71430	24243
Gold ()*	Copper	Au	34	27	1	71430	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	34	27	1	71430	6890
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	34	27	1	71430	1689
Hetaerolite ()*	Spinel	ZnMn³⁺₂O₄			1	71429	73
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	34	27	1	71430	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	71432	1271
Luzonite ()*	Stannite Sphalerite	Cu₃AsS₄	34	27	1	71430	198
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	34	27	1	71430	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	34	27	1	71430	12537
Manganite ()*	Rutile	Mn³⁺O(OH)	34	27	1	71430	770
Marcasite ()*	Marcasite	FeS₂	34	27	1	71430	5674
Molybdenite ()*	Molybdenite	MoS₂	34	27	1	71430	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	34	27	1	71430	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	34	27	1	71430	17380
Pyrite ()*	Pyrite	FeS₂	34	27	1	71430	39462
Pyrolusite ()*	Rutile	MnO₂	34	27	1	71430	3106
Quartz ()*	Quartz	SiO₂	34	27	3	71430,71431,71432	61156
Smithsonite ()*	Calcite	Zn(CO₃)	34	27	2	71429,71430	2473
Sphalerite ()*	Sphalerite	ZnS	34	27	2	71429,71430	21482
Stellerite ()*	Stilbite	Ca₄(Si₂₈Al₈)O₇₂·28H₂O			1	71432	189
Tenorite ()*	None	CuO	34	27	1	71430	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	34	27	1	71430	5317

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
	PorphCu-00005	34	27	34–27									Albite, Bornite, Calcite, Chalcocite, Chalcopyrite, Covellite, Digenite, Djurleite, Enargite, Epidote, Galena, Gold, Luzonite, Magnetite, Molybdenite, Montmorillonite, Pyrite, Sphalerite	Cu	2120	Calabona Mine, Alghero, Sassari Province, Sardinia, Italy	Calabona	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...