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Giordano Valley Quarries, Terragnolo, Terragnolo Valley, Lagarina Valley, Trento Province (Trentino), Trentino-Alto Adige, Italyi
Regional Level Types
Giordano Valley QuarriesGroup of Quarries
Terragnolo- not defined -
Terragnolo ValleyValley
Lagarina ValleyValley
Trento Province (Trentino)Autonomous Province
Trentino-Alto AdigeAutonomous Region
ItalyCountry

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Name(s) in local language(s):Cave Val Giordano, Terragnolo, Valle di Terragnolo, Val Lagarina (Vallagarina), Provincia di Trento, Trentino-Alto Adige/Südtirol (Trentino-Südtirol), Italia
Latitude & Longitude (WGS84): 45° 50' 16'' North , 11° 12' 25'' East
Latitude & Longitude (decimal): 45.83778,11.20694
GeoHash:G#: u0puz088k
Locality type:Group of Quarries
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Zoreri144 (2014)3.5km
Piazza292 (2014)5.8km
Terragnolo749 (2012)6.1km
Posina228 (2014)6.7km
Serrada214 (2014)7.2km


Abandoned brucite marble quarries (Val Giordano I and II) near Borcola Pass.

This brucite marble, commercially known as pearl grey marble, is the product of contact metamorphism, originated from Cenozoic basaltic intrusions in Late Triassic dolostone (Dolomia Principale Formation).

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
The Alps, EuropeMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Detailed Mineral List:

'Apatite'
Reference: "Giorgio Bortolozzi (visual identification)"
Aragonite
Formula: CaCO3
Reference: De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: "Giorgio Bortolozzi (visual identification)"
Brucite
Formula: Mg(OH)2
Reference: De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
Calcite
Formula: CaCO3
Reference: De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
'Chabazite'
Reference: "Giorgio Bortolozzi (visual identification)"
Diopside
Formula: CaMgSi2O6
Reference: "Giorgio Bortolozzi (visual identification)"
Dolomite
Formula: CaMg(CO3)2
Reference: De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
'Fayalite-Forsterite Series'
Reference: "Giorgio Bortolozzi (visual identification)"
Grossular
Formula: Ca3Al2(SiO4)3
Reference: "Giorgio Bortolozzi (visual identification)"
Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Reference: "Giorgio Bortolozzi (visual identification)"
Hydrotalcite
Formula: Mg6Al2(CO3)(OH)16 · 4H2O
Reference: "Giorgio Bortolozzi (visual identification)"
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: "Giorgio Bortolozzi (visual identification)"
Magnetite
Formula: Fe2+Fe3+2O4
Reference: "Giorgio Bortolozzi (visual identification)"
'Manganese Oxides'
Reference: "Giorgio Bortolozzi (visual identification)"
Pyrite
Formula: FeS2
Reference: "Giorgio Bortolozzi (visual identification)"
Pyroaurite
Formula: Mg6Fe3+2(OH)16[CO3] · 4H2O
Reference: A. Mattiello collection
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Reference: "Giorgio Bortolozzi (visual identification)"
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: "Giorgio Bortolozzi (visual identification)"

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Brucite4.FE.05Mg(OH)2
Magnetite4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Hydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Hydrotalcite5.DA.50Mg6Al2(CO3)(OH)16 · 4H2O
Pyroaurite5.DA.50Mg6Fe3+2(OH)16[CO3] · 4H2O
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Grossular9.AD.25Ca3Al2(SiO4)3
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chabazite'-
'Fayalite-Forsterite Series'-
'Manganese Oxides'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)2
Brucite6.2.1.1Mg(OH)2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Hydrotalcite16b.6.2.1Mg6Al2(CO3)(OH)16 · 4H2O
Pyroaurite16b.6.2.3Mg6Fe3+2(OH)16[CO3] · 4H2O
Hydromagnesite16b.7.1.1Mg5(CO3)4(OH)2 · 4H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Vesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Scolecite77.1.5.5CaAl2Si3O10 · 3H2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-
Aragonite-CaCO3
'Chabazite'-
'Fayalite-Forsterite Series'-
'Manganese Oxides'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H BruciteMg(OH)2
H PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
H HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
H LizarditeMg3(Si2O5)(OH)4
H ScoleciteCaAl2Si3O10 · 3H2O
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
H HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
BBoron
B Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C AragoniteCaCO3
C PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
C HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
C HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O AragoniteCaCO3
O BruciteMg(OH)2
O PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O DiopsideCaMgSi2O6
O GrossularCa3Al2(SiO4)3
O HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
O LizarditeMg3(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O ScoleciteCaAl2Si3O10 · 3H2O
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
O HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
FFluorine
F Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NaSodium
Na Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg BruciteMg(OH)2
Mg PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg DiopsideCaMgSi2O6
Mg HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Mg LizarditeMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Mg HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
AlAluminium
Al GrossularCa3Al2(SiO4)3
Al HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Al ScoleciteCaAl2Si3O10 · 3H2O
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
SiSilicon
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si DiopsideCaMgSi2O6
Si GrossularCa3Al2(SiO4)3
Si LizarditeMg3(Si2O5)(OH)4
Si ScoleciteCaAl2Si3O10 · 3H2O
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
SSulfur
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca AragoniteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca DiopsideCaMgSi2O6
Ca GrossularCa3Al2(SiO4)3
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous
66 - 145 Ma



ID: 3185977
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Comments: Dinaric Alps

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Late Triassic
201.3 - 237 Ma



ID: 3154880
Late Triassic limestone

Age: Late Triassic (201.3 - 237 Ma)

Lithology: Major:{limestone}, Minor{carbonates, consolidated,marlstone,gypsum}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Morandi N., Perna G. (1970): Il marmo grigio perla (marmo a brucite) nelle province di Trento, Vicenza e Verona. L'Industria Mineraria nel Trentino-Alto Adige. Vol. 3. Arti Grafiche Saturnia, Trento, 33-66.
- Del Caldo A., Moro C., Gramaccioli C.M., Boscardin M. (1973): Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp.
- De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.


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