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:
Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy

Oldest recorded age at locality: 201
Youngest recorded age at locality: 23

mindat Locality ID: 4430
mindat URL: http://www.mindat.org/loc-4430.html

Tectonic Settings:

Total number of sublocalities beneath "Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°11'57"N
Longitude: 9°42'1"E
Decimal Degree (lat, lon): 44.199166666667,9.7002777777778

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.

Adelite	Allophane	Amphibole	Apophyllite	Aragonite	Baryte	Brackebuschite	Braunite	Brewsterite	Brookite
Calcite	Cerchiaraite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Coronadite	Corundum	Descloizite	Diaspore
Epidote	Feldspar	Garnet	Harmotome	Malachite	Mica	Milarite	Millerite	None	Not in a structural group
Olivine	Oxalate	Pectolite	Pentlandite	Plancheite	Pyrite	Pyroxene	Quartz	Rhodonite	Ruizite
Rutile	Serpentine	Smectite-vermiculite	Spinel	Talc	Titanite	Tourmaline	Vesuvianite	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 As B Ba C Ca Ce Cl Cu F Fe H K La Li Mg Mn Na Ni O Pb S Si Sr Ti V

Elements from minerals reported directly at this locality: Al As B Ba C Ca Ce Cl Cu F Fe H K La Li Mg Mn Na Ni O Pb S Si Sr Ti V

Structural Groups for minerals in this locality:
Adelite Allophane Amphibole Apophyllite Aragonite Baryte Brackebuschite Braunite Brewsterite Brookite
Calcite Cerchiaraite Chalcopyrite Chlorite Clay Clinozoisite Coronadite Corundum Descloizite Diaspore
Epidote Feldspar Garnet Harmotome Malachite Mica Milarite Millerite None Not in a structural group
Olivine Oxalate Pectolite Pentlandite Plancheite Pyrite Pyroxene Quartz Rhodonite Ruizite
Rutile Serpentine Smectite-vermiculite Spinel Talc Titanite Tourmaline Vesuvianite Zircon

94 IMA Minerals at location:

Aegirine ()*	Albite ()*	Almandine ()*	Anatase ()*	Andradite ()*
Ankerite ()*	Aragonite ()*	Balestraite ()*	Baryte ()*	Bornite ()*
Braunite ()*	Brewsterite-Ba ()*	Brookite ()*	Calcite ()*	Caoxite ()*
Caryopilite ()*	Celadonite ()*	Cerchiaraite-(Fe) ()*	Cerchiaraite-(Mn) ()*	Chalcopyrite ()*
Chamosite ()*	Chrysocolla ()*	Chrysotile ()*	Clinochlore ()*	Cryptomelane ()*
Demagistrisite ()*	Diopside ()*	Djurleite ()*	Dravite ()*	Epidote ()*
Ferroceladonite ()*	Fluorapophyllite-(K) ()*	Gamagarite ()*	Ganophyllite ()*	Graphite ()*
Groutite ()*	Harmotome ()*	Hausmannite ()*	Hematite ()*	Hollandite ()*
Huntite ()*	Hydroxyapophyllite-(K) ()*	Ilmenite ()*	Lavinskyite ()*	Macfallite ()*
Magnesio-arfvedsonite ()*	Magnesiovesuvianite ()*	Magnetite ()*	Malachite ()*	Manganiceladonite ()*
Manganite ()*	Manganvesuvianite ()*	Millerite ()*	Montmorillonite ()*	Mozartite ()*
Muscovite ()*	Namansilite ()*	Nambulite ()*	Neotocite ()*	Noelbensonite ()*
Norrishite ()*	Orientite ()*	Orthoclase ()*	Pectolite ()*	Pentlandite ()*
Phlogopite ()*	Piemontite ()*	Piemontite-(Sr) ()*	Potassic-magnesio-arfvedsonite ()*	Pyrite ()*
Pyrobelonite ()*	Pyrolusite ()*	Pyrope ()*	Pyroxmangite ()*	Quartz ()*
Rhodochrosite ()*	Rhodonite ()*	Richterite ()*	Ruizite ()*	Rutile ()*
Saponite ()*	Serandite ()*	Siderite ()*	Stetindite-(Ce) ()*	Sugilite ()*
Talc ()*	Tangeite ()*	Tephroite ()*	Tiragalloite ()*	Titanite ()*
Todorokite ()*	Tokyoite ()*	Wakefieldite-(La) ()*	Weddellite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	201	23	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	201	23	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	201	23	2353
Anatase ()*	Not in a structural group	TiO₂	201	23	2162
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	201	23	1534
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	201	23	3092
Aragonite ()*	Aragonite	Ca(CO₃)	201	23	3250
Balestraite ()*	Mica	KLi₂V⁵⁺Si₄O₁₂	80	80	1
Baryte ()*	Baryte	Ba(SO₄)	201	23	11547
Bornite ()*	None	Cu₅FeS₄	201	23	5516
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	201	23	483
Brewsterite-Ba ()*	Brewsterite	Ba(Al₂Si₆)O₁₆·5H₂O	201	23	9
Brookite ()*	Brookite	TiO₂	201	23	700
Calcite ()*	Calcite	Ca(CO₃)	201	23	27770
Caoxite ()*	Oxalate	Ca(C₂O₄)·3H₂O	201	23	1
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	201	23	83
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂	201	23	309
Cerchiaraite-(Fe) ()*	Cerchiaraite	Ba₄Fe³⁺₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄]	80	80	6
Cerchiaraite-(Mn) ()*	Cerchiaraite	Ba₄Mn³⁺₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄]	201	23	2
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	201	23	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	201	23	577
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	201	23	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	201	23	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	201	23	1756
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	201	23	599
Demagistrisite ()*	Not in a structural group	BaCa₂Mn³⁺₄(Si₃O₁₀)(Si₂O₇)(OH)₄·3H₂O	201	23	1
Diopside ()*	Pyroxene	CaMgSi₂O₆	201	23	4135
Djurleite ()*	None	Cu₃₁S₁₆	201	23	300
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	201	23	648
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	201	23	8173
Ferroceladonite ()*	Mica	KFe²⁺Fe³⁺Si₄O₁₀(OH)₂	201	23	10
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	201	23	303
Gamagarite ()*	Brackebuschite	Ba₂Fe³⁺(VO₄)₂(OH)	201	23	10
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	201	23	45
Graphite ()*	None	C	201	23	2812
Groutite ()*	Diaspore	Mn³⁺O(OH)	201	23	72
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	201	23	290
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	201	23	350
Hematite ()*	Corundum	Fe₂O₃	201	23	14640
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆	201	23	243
Huntite ()*	Not in a structural group	CaMg₃(CO₃)₄	201	23	69
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	201	23	85
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	201	23	5433
Lavinskyite ()*	Plancheite	K(LiCu)Cu₆(Si₄O₁₁)₂(OH)₄	201	23	2
Macfallite ()*	None	Ca₂Mn³⁺₃(SiO₄)(Si₂O₇)(OH)₃	201	23	6
Magnesio-arfvedsonite ()*	Amphibole	NaNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂	201	23	79
Magnesiovesuvianite ()*	Vesuvianite	Ca₁₉Mg(Al₁₁Mg)Si₁₈O₆₉(OH)₉	201	23	2
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	201	23	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	201	23	12537
Manganiceladonite ()*	Clay Mica	KMgMn³⁺Si₄O₁₀(OH)₂	201	23	1
Manganite ()*	Rutile	Mn³⁺O(OH)	201	23	770
Manganvesuvianite ()*	Vesuvianite	Ca₁₉Mn³⁺Al₁₀Mg₂(SiO₄)₁₀(Si₂O₇)₄O(OH)₉	201	23	4
Millerite ()*	Millerite	NiS	201	23	1066
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	201	23	1508
Mozartite ()*	Adelite	CaMn³⁺(SiO₄)(OH)	201	23	4
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	201	23	17380
Namansilite ()*	None	NaMn³⁺Si₂O₆	201	23	8
Nambulite ()*	Rhodonite	LiMn²⁺₄Si₅O₁₄(OH)	201	23	12
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	201	23	186
Noelbensonite ()*	None	BaMn³⁺₂Si₂O₇(OH)₂·H₂O	201	23	6
Norrishite ()*	Mica	KLiMn³⁺₂Si₄O₁₀O₂	201	23	5
Orientite ()*	None	Ca₈Mn³⁺₁₀(SiO₄)₃(Si₃O₁₀)₃(OH)₁₀·4H₂O	201	23	8
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	201	23	2349
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	201	23	363
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	201	23	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	201	23	2273
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	201	23	260
Piemontite-(Sr) ()*	Clinozoisite Epidote	CaSr(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	201	23	12
Potassic-magnesio-arfvedsonite ()*	Amphibole	KNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂	201	23	10
Pyrite ()*	Pyrite	FeS₂	201	23	39462
Pyrobelonite ()*	Descloizite	PbMn²⁺VO₄(OH)	201	23	21
Pyrolusite ()*	Rutile	MnO₂	201	23	3106
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	201	23	341
Pyroxmangite ()*	None	Mn²⁺SiO₃	201	23	147
Quartz ()*	Quartz	SiO₂	201	23	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	201	23	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	201	23	969
Richterite ()*	Amphibole	Na(NaCa)Mg₅Si₈O₂₂(OH)₂	201	23	148
Ruizite ()*	Ruizite	Ca₂Mn³⁺₂Si₄O₁₁(OH)₄·2H₂O	201	23	6
Rutile ()*	Rutile	TiO₂	201	23	5614
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	201	23	301
Serandite ()*	Pectolite	NaMn²⁺₂Si₃O₈(OH)	201	23	38
Siderite ()*	Calcite	Fe(CO₃)	201	23	6417
Stetindite-(Ce) ()*	Zircon	Ce(SiO₄)	201	23	3
Sugilite ()*	Milarite	KNa₂Fe³⁺₂(Li₃Si₁₂)O₃₀	201	23	15
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	201	23	3337
Tangeite ()*	Adelite	CaCu(VO₄)(OH)	201	23	60
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	201	23	240
Tiragalloite ()*	None	Mn²⁺₄As⁵⁺Si₃O₁₂(OH)	201	23	15
Titanite ()*	Titanite	CaTi(SiO₄)O	201	23	4899
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	201	23	433
Tokyoite ()*	Brackebuschite	Ba₂Mn³⁺(VO₄)₂OH	201	23	9
Wakefieldite-(La) ()*	Zircon	LaVO₄	201	23	3
Weddellite ()*	Oxalate	Ca(C₂O₄)·2H₂O	201	23	32

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0036	Veins cutting Mn-Ba vein rich cherts
Michelle_545	Cerchiaraite-(Fe) occurs in small fractures and veinlets within the metacherts of a Jurassic ophiolitic sequence.

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	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
Alexandra-0110	201	145	Jurassic		Age of rocks		Mn	4430	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	Cerchiara Mine	Bindi et al. (2013)	10.1180/minmag.2013.077.4.07	MM77_475
Alexandra-0111	100	23	Late Cretaceous - Early Cenozoic		Age of metamorphism		Mn	4430	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	Cerchiara Mine	Bindi et al. (2013)	10.1180/minmag.2013.077.4.07	MM77_475
Grew_Li_2019_0003	80	80	80			Balestraite		4430	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	Cerchiara mine, Eastern Liguria, Italy	Cabella et al. (1998)		TM2_1
Michelle_0036	100	23	Late Cretaceous - Early Cenozoic	stratigraphy	Age of vein mineralization/metamorphism			4430	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	Cerchiara Mine	Basso et al. (1997)		NJM2_84
Michelle_545	80	80	80		Age of tectonometamorphic overprinting	Cerchiaraite-(Fe)		4430	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	Cerchiara Mine	Kampf et al. (2013)		MM77_69	Age of secondary hydrothermal event, related to re-equilibration of the ophiolitic sequences during tectonometamorphic overprinting

Sample	Source Locality	Reference URL
R060936	Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy	https://rruff.info/R060936

All locality data graciously provided by mindat.org

All age data...