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Mount Beigua, Savona Province, Liguria, Italyi
Regional Level Types
Mount BeiguaMountain
Savona ProvinceProvince
LiguriaRegion
ItalyCountry

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PhotosSearch
05384090017272051699536.jpg
Zircon

Mount Beigua, Savona Province, Liguria, Italy
02027110017272037295327.jpg
Amphibole Supergroup

Mount Beigua, Savona Province, Liguria, Italy
08139100017339895289707.jpg
Amphibole Supergroup

Mount Beigua, Savona Province, Liguria, Italy
05384090017272051699536.jpg
Zircon

Mount Beigua, Savona Province, Liguria, Italy
02027110017272037295327.jpg
Amphibole Supergroup

Mount Beigua, Savona Province, Liguria, Italy
06804800017272048898332.jpg
Amphibole Supergroup

Mount Beigua, Savona Province, Liguria, Italy
05384090017272051699536.jpg
Zircon

Mount Beigua, Savona Province, Liguria, Italy
02027110017272037295327.jpg
Amphibole Supergroup

Mount Beigua, Savona Province, Liguria, Italy
Type:
Mountain
Mindat Locality ID:
54862
Long-form identifier:
mindat:1:2:54862:8
GUID (UUID V4):
0
Name(s) in local language(s):
Monte Beigua, Varazze e Sassello, Provincia di Savona, Liguria, Italia


Monte Beigua (1287 m) is located along the boundary between the municipality of Varazze to the south and Sassello to the north.

Monte Beigua is part of the large Beigua unit of the Voltri Massif. This unit mainly consists of antigorite-serpentinites and eclogitic metagabbro.
Serpentinites enclose lenses of eclogites and minor bodies of metarodingite and titanian hydroxylclinohumite dikelets. Serpentinites display an antigorite + chlorite + magnetite assemblage overgrown by olivine + antigorite, which derive from incomplete deserpentinization of the previous assemblages (Cimmino et al., 1979).
The classical garnet + Na-pyroxene + rutile eclogites of the Beigua unit (Ernst, 1976; Messiga, 1987; Messiga & Scambelluri, 1988; 1991; Messiga et al., 1995) mostly derive from original Fe-Ti-oxide-bearing gabbros. Mylonitic and tectonitic eclogites consist of omphacite porphyroclasts (after magmatic clinopyroxene) in a fine-grained matrix of omphacite, garnet, and rutile. Garnet cores locally contain inclusions of sodic clinopyroxene (Tribuzio, 1992), "crossite", paragonite, which represent relics of a prograde blueschists facies assemblage. Ernst (1976) showed that the eclogitic minerals were first overgrown by glaucophanic amphiboles, followed by barroisite–bearing and finally by actinolite + albite + chlorite greenschist parageneses. A later study by Messiga and Scambelluri (1991) evidenced the early development of amphibole + plagioclase + diopside symplectites that predated glaucophane formation.

From quartz veins in the area of Monte Beigua, numerous quartz crystals with Tessin habit have been recovered (Antofilli et al., 1985).

In a recent study (Vignaroli et al., 2010) some samples collected in the area of Monte Beigua have shown the mineral assemblages indicated below:
- from an eclogite lens on the SW flank of Monte Beigua: almandine-rich garnet, omphacite, amphiboles (calcium and sodium-calcium members), epidote, albite, paragonite, and zircon;
- from a 20-m-thick mica schist horizon, which tectonically overlies serpentinites, on the W flank of Monte Beigua: phengite, rutile, titanite, chlorite, quartz, albite, paragonite, calcite, and zircon.

Note: some authors (e.g. Borgo & Palenzona, 1988) and labels of mineral collections indicate as "northern flank of Monte Beigua" the zircon occurrence of Rocca della Biscia [see http://www.mindat.org/loc-54863.html], actually located 4 km NE of Monte Beigua (Urbe municipal territory).

Boundary is shown approximately along the 1260m contour.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


21 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Barroisite
Formula: ◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
References:
Ernst, W.G. (1976) Mineral chemistry of eclogites and related rocks from the Voltri Group, Western Liguria, Italy. Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 293–343.
Cimmino F. Messiga B, Piccardo G.B., Zeda O. (1979): Titanian clinohumite-bearing assemblages within antigorite serpentinites of the Gruppo di Voltri (Western Liguria): inferences on the geodynamic evolution of the Piemontese ultramafic section. Ofioliti, 4, 97-120
Ernst W.G. (1981): Petrogenesis of eclogites and peridotites from the Western and Ligurian Alps. Am. Mineral., 66, 443-472.
Vignaroli G., Rossetti F., Rubatto D., Theye T., Lisker F., Phillips D. (2010): Pressure-temperature-deformation-time (P-T-d-t) exhumation history of the Voltri HP complex, Ligurian Alps, Italy. Tectonics, 29, 6, TC6900.
ⓘ 'Crossite'
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Ferri-taramite
Formula: Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2
ⓘ Ferro-taramite
Formula: Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
References:
Ernst, W.G. (1976) Mineral chemistry of eclogites and related rocks from the Voltri Group, Western Liguria, Italy. Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 293–343.
Ernst W.G. (1981): Petrogenesis of eclogites and peridotites from the Western and Ligurian Alps. American Mineralogist, 66, 443-472
Antofilli, Mario, Borgo, Emilio, Palenzona, Andrea (1985) I nostri minerali : geologia e mineralogia in Liguria (2nd ed.). Edizioni Melita.
Messiga B. (1987): Alpine metamorphic evolution of Ligurian Alps (NW Italy): chemographic and petrological constraints inferred from metamorphic climax assemblage. Contrib. Mineral. Petrol., 95, 269-277
Messiga B., Scambelluri M. (1988): Comparison between two types of coronitic eclogites from the Western Alps: Implications for a pre-eclogitic evolution. Schweiz. Mineral. Petrogr. Mitt., 68, 225-235
Messiga B., Scambelluri M. (1991): Retrograde P-T-t path from the Voltri Massif eclogites (Ligurian Alps, Italy): Some tectonic implications. Journ. Metam. Geol., 9, 93-109
Tribuzio R. (1992): Distribuzione delle terre rare e di alcuni elementi in tracce nei principali minerali dei meta-Fe-gabbri delle ofioliti liguri: aspetti cristallochimici ed implicazioni petrogenetiche. Tesi di Dottorato, Università di Pavia, 148 pp.
Messiga B., Tribuzio R., Bottazzi P., Ottolini L. (1995): An ion microprobe study of trace element compositions of clinopyroxenes from blueschist and eclogitized Fe-Ti-gabbros (Ligurian Alps, nortwestern Italy): Some petrologic considerations. Geochim. Cosmochim. Acta, 59, 59-75.
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Description: Reported as barroisitic hornblende.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘ Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
References:
Ernst, W.G. (1976) Mineral chemistry of eclogites and related rocks from the Voltri Group, Western Liguria, Italy. Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 293–343.
Ernst W.G. (1981): Petrogenesis of eclogites and peridotites from the Western and Ligurian Alps. American Mineralogist, 66, 443-472
Messiga B. (1987): Alpine metamorphic evolution of Ligurian Alps (NW Italy): chemographic and petrological constraints inferred from metamorphic climax assemblage. Contrib. Mineral. Petrol., 95, 269-277
Messiga B., Scambelluri M. (1988): Comparison between two types of coronitic eclogites from the Western Alps: Implications for a pre-eclogitic evolution. Schweiz. Mineral. Petrogr. Mitt., 68, 225-235
Messiga B., Scambelluri M. (1991): Retrograde P-T-t path from the Voltri Massif eclogites (Ligurian Alps, Italy): Some tectonic implications. Journ. Metam. Geol., 9, 93-109
Messiga B., Tribuzio R., Bottazzi P., Ottolini L. (1995): An ion microprobe study of trace element compositions of clinopyroxenes from blueschist and eclogitized Fe-Ti-gabbros (Ligurian Alps, nortwestern Italy): Some petrologic considerations. Geochim. Cosmochim. Acta, 59, 59-75.
Vignaroli G., Rossetti F., Rubatto D., Theye T., Lisker F., Phillips D. (2010): Pressure-temperature-deformation-time (P-T-d-t) exhumation history of the Voltri HP complex, Ligurian Alps, Italy. Tectonics, 29, 6, TC6900.
ⓘ Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Rutile
Formula: TiO2
References:
Ernst, W.G. (1976) Mineral chemistry of eclogites and related rocks from the Voltri Group, Western Liguria, Italy. Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 293–343.
Ernst W.G. (1981): Petrogenesis of eclogites and peridotites from the Western and Ligurian Alps. American Mineralogist, 66, 443-472
Messiga B. (1987): Alpine metamorphic evolution of Ligurian Alps (NW Italy): chemographic and petrological constraints inferred from metamorphic climax assemblage. Contrib. Mineral. Petrol., 95, 269-277
Messiga B., Scambelluri M. (1988): Comparison between two types of coronitic eclogites from the Western Alps: Implications for a pre-eclogitic evolution. Schweiz. Mineral. Petrogr. Mitt., 68, 225-235
Messiga B., Scambelluri M. (1991): Retrograde P-T-t path from the Voltri Massif eclogites (Ligurian Alps, Italy): Some tectonic implications. Journ. Metam. Geol., 9, 93-109
Messiga B., Tribuzio R., Bottazzi P., Ottolini L. (1995): An ion microprobe study of trace element compositions of clinopyroxenes from blueschist and eclogitized Fe-Ti-gabbros (Ligurian Alps, nortwestern Italy): Some petrologic considerations. Geochim. Cosmochim. Acta, 59, 59-75.
Vignaroli G., Rossetti F., Rubatto D., Theye T., Lisker F., Phillips D. (2010): Pressure-temperature-deformation-time (P-T-d-t) exhumation history of the Voltri HP complex, Ligurian Alps, Italy. Tectonics, 29, 6, TC6900.
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘOmphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘFerro-taramite9.DE.20Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2
ⓘBarroisite9.DE.20◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
ⓘFerri-taramite9.DE.20Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘParagonite9.EC.15NaAl2(AlSi3O10)(OH)2
ⓘMuscovite
var. Phengite		9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Chlorite Group'-
ⓘ'Crossite'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ ForsteriteMg2(SiO4)
Oⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Oⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Oⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Naⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Naⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Naⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Naⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Mgⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mgⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Alⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ForsteriteMg2(SiO4)
Siⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Siⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Siⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Caⓘ Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Caⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Ferro-taramiteNa(CaNa)(Fe32+Al2)(Al2Si6O22)(OH)2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Feⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Feⓘ PyriteFeS2
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Fossils

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Wikipedia:https://en.wikipedia.org/wiki/Monte_Beigua
Wikidata ID:Q1299731
GeoNames ID:3182246


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References

Ernst, W.G. (1976) Mineral chemistry of eclogites and related rocks from the Voltri Group, Western Liguria, Italy. Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 293–343.
Cimmino F. Messiga B, Piccardo G.B., Zeda O. (1979): Titanian clinohumite-bearing assemblages within antigorite serpentinites of the Gruppo di Voltri (Western Liguria): inferences on the geodynamic evolution of the Piemontese ultramafic section. Ofioliti, 4, 97-120
Ernst W.G. (1981): Petrogenesis of eclogites and peridotites from the Western and Ligurian Alps. Am. Mineral., 66, 443-472.
Antofilli, Mario, Borgo, Emilio, Palenzona, Andrea (1985) I nostri minerali : geologia e mineralogia in Liguria (2nd ed.). Edizioni Melita.
Messiga B. (1987): Alpine metamorphic evolution of Ligurian Alps (NW Italy): chemographic and petrological constraints inferred from metamorphic climax assemblage. Contrib. Mineral. Petrol., 95, 269-277
Borgo, E., Palenzona, A. (1988): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1988. SAGEP Editrice, Genova, 48 pp.
Messiga B., Scambelluri M. (1988): Comparison between two types of coronitic eclogites from the Western Alps: Implications for a pre-eclogitic evolution. Schweiz. Mineral. Petrogr. Mitt., 68, 225-235
Messiga B., Scambelluri M. (1991): Retrograde P-T-t path from the Voltri Massif eclogites (Ligurian Alps, Italy): Some tectonic implications. Journ. Metam. Geol., 9, 93-109
Tribuzio R. (1992): Distribuzione delle terre rare e di alcuni elementi in tracce nei principali minerali dei meta-Fe-gabbri delle ofioliti liguri: aspetti cristallochimici ed implicazioni petrogenetiche. Tesi di Dottorato, Università di Pavia, 148 pp.
Messiga B., Tribuzio R., Bottazzi P., Ottolini L. (1995): An ion microprobe study of trace element compositions of clinopyroxenes from blueschist and eclogitized Fe-Ti-gabbros (Ligurian Alps, nortwestern Italy): Some petrologic considerations. Geochim. Cosmochim. Acta, 59, 59-75.
Vignaroli G., Rossetti F., Rubatto D., Theye T., Lisker F., Phillips D. (2010): Pressure-temperature-deformation-time (P-T-d-t) exhumation history of the Voltri HP complex, Ligurian Alps, Italy. Tectonics, 29, 6, TC6900.
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