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Col Bechei (Col Bechei de Sora; Col Becchei; Monte Parei; Pareispitze), Gran Fanes (Fanes Grande; Groß-Fanes), Upper Fanes Valley, Bolzano-Alto Adige Autonomous Province, Trentino-Alto Adige, Italyi
Regional Level Types
Col Bechei (Col Bechei de Sora; Col Becchei; Monte Parei; Pareispitze)- not defined -
Gran Fanes (Fanes Grande; Groß-Fanes)- not defined -
Upper Fanes ValleyValley
Bolzano-Alto Adige Autonomous ProvinceAutonomous Province
Trentino-Alto AdigeAutonomous Region

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Name(s) in local language(s):Col Bechei (Col Bechei de Sora; Col Bechei Dessora; Col Bechei di Sopra; Col Becchei; Monte Parei; Pareispitze), Gran Fanes (Fanes Grande; Groß-Fanes), Alta Val di Fanes (Hohe Fanestal), Provincia di Bolzano (Alto Adige; Sud Tirolo; Provinz Bozen; Südtirol), Trentino-Alto Adige/Südtirol (Trentino-Südtirol), Italia
Latitude & Longitude (WGS84): 46° 36' 27'' North , 12° 2' 40'' East
Latitude & Longitude (decimal): 46.60763,12.04455
GeoHash:G#: u2294hdt4
Köppen climate type:ET : Tundra
Nearest Settlements:
Cadin di Sotto106 (2014)8.7km
San Cassiano431 (2014)9.3km
Mortisa109 (2014)10.6km
Cortina d'Ampezzo5,423 (2014)10.7km
San Genesio375 (2014)10.7km

In the Dolomites, the only known large occurrence of Tertiary (Oligocene) sedimentary rocks is located on the southern flanks of the Col Bechei mountain group, in Fanes Valley. These sedimentary rocks are called "Parei conglomerate" after Monte Parei, nowadays more often known as Col Bechei de Sora (2794 m), the highest peak of this mountain group. Outcrops are confined to 2300-2650 m altitude. The western outcrops are situated above Gran Fanes Alp, in the municipal territory of Marebbe (Marèo; Enneberg), Bolzano Province (South Tyrol), Trentino-Alto Adige/Südtirol, while the eastern ones are included in the territory of Cortina d'Ampezzo, Belluno Province, Veneto.

These fossiliferous marine clastics overlie deformed Mesozoic carbonates, and are themselves overthrusted by Mesozoic rocks.

The westernmost outcrop consists of a conglomeratic succession up to 90 m in thickness. The conglomerates discordantly overlie the folded Calcari Grigi di Fanes (Rhaetian-Liassic). The clast spectrum of the conglomeratic succession is dominated by Calcari Grigi di Fanes with minor amounts of fossiliferous marls and calcareous sandstones of probable Cretaceous age. Other clast types are metamorphic component (gneisses, quartzite pebbles) and strongly weathered andesite and dacite clasts.
Near point 2565 m a pre-Oligocene (Dinaric) syncline with NNW-SSE striking axis is filled by mainly red-coloured, well-sorted conglomerates, which onlap onto the Calcari Grigi di Fanes and therefore indicate an axial infill. These well-sorted grain flow deposits, with grain sizes up to 5 cm and bed thicknesses up to 0.5 m, mainly consist of Calcari Grigi di Fanes clasts. The groundmass is composed of bivalve and balanid debris.
Within sandstones near point 2565 m, Mn-Fe-mineralised veins up to a few centimetres wide dissect bedding. These veins abruptly end within
Mn-Fe-impregnated sandstone layers. The overlying beds are not affected by these mineralisations. This situation can be interpreted as a result of synsedimentary solution transport, resulting in the impregnation of near-surface sediment layers.

Regions containing this locality

Eurasian PlateTectonic Plate
The Alps, EuropeMountain Range

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Formula: (Fe,O,OH,H2O)
Reference: Keim, L., Stingl, V. (2000): Lithostratigraphy and facies architecture of the Oligocene conglomerates at Monte Parei (Fanes, Dolomites, Italy). Rivista Italiana di Paleontologia e Stratigrafia, 106, 1, 123-132.
'Manganese Oxides'
Reference: Keim, L., Stingl, V. (2000): Lithostratigraphy and facies architecture of the Oligocene conglomerates at Monte Parei (Fanes, Dolomites, Italy). Rivista Italiana di Paleontologia e Stratigrafia, 106, 1, 123-132.

List of minerals arranged by Strunz 10th Edition classification

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'Manganese Oxides'-

List of minerals arranged by Dana 8th Edition classification

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'Manganese Oxides'-

List of minerals for each chemical element

H Limonite(Fe,O,OH,H2O)
O Limonite(Fe,O,OH,H2O)
Fe Limonite(Fe,O,OH,H2O)

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

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]

145 - 201.3 Ma

ID: 3156931
Jurassic limestone

Age: Jurassic (145 - 201.3 Ma)

Lithology: Major:{limestone}, Minor{siliceous ooze,carbonates, consolidated,marlstone}

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mair, V., Stingl, V., Krois, P., Keim, L. (1996): Die Bedeutung andesitischer und dazitischer Gerölle im Unterinntal-Tertiär (Tirol, Österreich) und im Tertiär des M.te Parei (Dolomiten, Italien). N. Jb. Geol. Paläont. Abh., 199, 3, 369-394.
Keim, L., Stingl, V. (2000): Lithostratigraphy and facies architecture of the Oligocene conglomerates at Monte Parei (Fanes, Dolomites, Italy). Rivista Italiana di Paleontologia e Stratigrafia, 106, 1, 123-132.

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