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Grotta Colombara Quarry, Torano quarrying basin, Carrara, Massa-Carrara Province, Tuscany, Italyi
Regional Level Types
Grotta Colombara QuarryQuarry (Lost)
Torano quarrying basinBasin
Massa-Carrara ProvinceProvince

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Latitude & Longitude (WGS84):
44° 6' 1'' North , 10° 7' 15'' East
Latitude & Longitude (decimal):
Locality type:
Quarry (Lost) - last checked 2019
Köppen climate type:
Nearest Settlements:
Torano670 (2014)1.6km
Miseglia449 (2014)1.9km
Bedizzano797 (2014)2.4km
Codena745 (2014)2.6km
Sorgnano387 (2014)2.8km
Other Languages:
Cava di Grotta Colombara, Bacino estrattivo di Torano, Carrara, Provincia di Massa-Carrara (Provincia di Massa e Carrara), Toscana, Italia

Historical marble quarry near the natural cavity of Grotta Colombara, at the mouth of Canale di Lorano. The quarry, buried under a large dump ("ravaneto"), is no longer accessible.

Hyaline quartz crystals from this defunct occurrence have been mentioned by Repetti (1820 and 1833), Antonio D'Achiardi (1872-73) and other old authors.

Regions containing this locality

Eurasian PlateTectonic Plate
Apuan Alps, Tuscany, ItalyMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

1 valid mineral.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: SiO2
Reference: Repetti, E. (1820) Sopra l'Alpe Apuana e i marmi di Carrara. Dalla Badia Fiesolana, Fiesole, 231 pp.; Repetti, E. (1833) Dizionario geografico fisico storico della Toscana. Volume primo. Tip. A. Tofani, Firenze, xv + 845 pp.; D'Achiardi, A. (1872-73) Mineralogia della Toscana. Tipografia Nistri, Pisa, 2 vol., 678 pp.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

O QuartzSiO2
Si QuartzSiO2

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

66 - 145 Ma

ID: 3186389
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

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]

Cretaceous - Jurassic
66 - 201.3 Ma

ID: 3156501
Jurassic marble

Age: Mesozoic (66 - 201.3 Ma)

Description: low grade metamorphic

Lithology: Marble

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, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Repetti, E. (1820) Sopra l'Alpe Apuana e i marmi di Carrara. Dalla Badia Fiesolana, Fiesole, 231 pp.
Repetti, E. (1833) Dizionario geografico fisico storico della Toscana. Volume primo. Tip. A. Tofani, Firenze, xv + 845 pp.
D'Achiardi, A. (1872-73) Mineralogia della Toscana. Tipografia Nistri, Pisa, 2 vol., 678 pp.

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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