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Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italyi
Regional Level Types
Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine)Vein (Abandoned)
DorioCommune
Lecco ProvinceProvince
LombardyRegion
ItalyCountry

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Latitude & Longitude (WGS84):
46° 6' 20'' North , 9° 21' 38'' East
Latitude & Longitude (decimal):
Type:
Vein (Abandoned) - last checked 2023
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Sueglio167 (2014)3.0km
Introzzo137 (2014)3.1km
Colico Piano7,204 (2014)3.2km
Dorio323 (2017)3.3km
Tremenico176 (2014)3.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Club Cercatori di Minerali e Fossili TicinoViganello, Ticino32km
Mindat Locality ID:
29995
Long-form identifier:
mindat:1:2:29995:3
GUID (UUID V4):
0
Name(s) in local language(s):
Filone pegmatitico di Sommafiume (Alpe Sommafiume; Miniera Marategno), Dervio, Provincia di Lecco, Lombardia, Italia


Abandoned pegmatite quarry (since more than 60 years), also known as Marategno Mine. The mine gallery is located at 982 m a.s.l.

Sommafiume dyke is one of the big 10 dykes of the Piona pegmatite swarm, which is embedded into the high-grade metapelites (sillimanite-, garnet-bearing gneiss) of the Dervio-Olgiasca Zone (DOZ). The DOZ, which belongs to the crystalline basement of the Central Southern Alps, represents a segment of upper to middle continental crust, originated after Variscan intermediate pressure amphibolite facies metamorphism and exumated during the Alpine orogenesis (di Paola & Spalla, 2000). The Sommafiume pegmatite shows features and paragenesis similar to the ones observed at Olgiasca-Malpensata.

Cartography: IGM F 17 II N E

To get to the mine, take the road from Dervio to Sueglio, then for Sommafiume, then the path slightly leading down to a wide hairpin turn where you find the mine.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
References:
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
References:
ⓘ Beryl
Formula: Be3Al2(Si6O18)
References:
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
ⓘ 'Chlorite Group'
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Feldspar Group'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Goethite
Formula: Fe3+O(OH)
Description: Tiny inclusion in pegmatite
ⓘ Graftonite
Formula: Fe2+Fe2+2(PO4)2
References:
ⓘ 'Limonite'
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrite
Formula: FeS2
References:
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
References:
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
References:
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Triphylite
Formula: LiFe2+PO4
ⓘ Uraninite
Formula: UO2
References:
ⓘ Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
ⓘ Zircon
Formula: Zr(SiO4)
References:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘQuartz4.DA.05SiO2
ⓘUraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘGraftonite8.AB.20Fe2+Fe2+2(PO4)2
ⓘVivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ GoethiteFe3+O(OH)
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ GoethiteFe3+O(OH)
Oⓘ GraftoniteFe2+Fe22+(PO4)2
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ TriphyliteLiFe2+PO4
Oⓘ UraniniteUO2
Oⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpessartineMn32+Al2(SiO4)3
SiSilicon
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ SpessartineMn32+Al2(SiO4)3
Siⓘ ZirconZr(SiO4)
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ GraftoniteFe2+Fe22+(PO4)2
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ Monazite GroupREE(PO4)
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Pⓘ TriphyliteLiFe2+PO4
Pⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnⓘ SpessartineMn32+Al2(SiO4)3
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ GraftoniteFe2+Fe22+(PO4)2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ TriphyliteLiFe2+PO4
Feⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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