The Schlern Formation, also known as Schlern Dolomite, and Sciliar Formation or Sciliar Dolomite in Italy, is a

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

marl Marl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of algae. Marl makes up the lower part o ...

and

dolomite Dolomite may refer to: *Dolomite (mineral), a carbonate mineral *Dolomite (rock), also known as dolostone, a sedimentary carbonate rock *Dolomite, Alabama, United States, an unincorporated community *Dolomite, California, United States, an unincor ...

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondar ...

in the Southern Limestone Alps in

Kärnten Carinthia (german: Kärnten ; sl, Koroška ) is the southernmost Austrian state, in the Eastern Alps, and is noted for its mountains and lakes. The main language is German. Its regional dialects belong to the Southern Bavarian group. Carint ...

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

and

South Tyrol it, Provincia Autonoma di Bolzano – Alto Adige lld, Provinzia Autonoma de Balsan/Bulsan – Südtirol , settlement_type = Autonomous province , image_skyline = , image_alt ...

, Italy.Schlern Formation
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...

.orgSchlern 1 Formation
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Description

It preserves

fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...

dating back to the

Middle Triassic In the geologic timescale, the Middle Triassic is the second of three epochs of the Triassic period or the middle of three series in which the Triassic system is divided in chronostratigraphy. The Middle Triassic spans the time between Ma and ...

period ( late Anisian- middle Ladinian), or Illyrian to Longobardian in the regional stratigraphy. The formation correlates with the

Wetterstein Formation The Wetterstein Formation is a regional geologic formation of the Northern Limestone Alps and Western Carpathians extending from southern Bavaria, Germany in the west, through northern Austria to northern Hungary and western Slovakia in the eas ...

of the Northern Limestone Alps. The formation is also coeval with the Livinallongo or

Buchenstein Formation Livinallongo del Col di Lana (; lld, Fodóm; german: Buchenstein) is a ''comune'' (municipality) in the Province of Belluno in the Italian region Veneto, located about north of Venice and about northwest of Belluno. Ninety percent of th ...

. The Schlern Formation is

unconformably An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous. In general, the older layer was exposed to erosion for an interval o ...

overlain by the Cassian Dolomite, and overlies the Contrin Formation separated by another unconformity. Deposition of the formation took place between the Pelsonian Humid Interval and the Ladinian Humid Interval, that preceded the better known

Carnian Pluvial Event The Carnian pluvial episode (CPE), often called the Carnian pluvial event, was an interval of major change in global climate synchronous with significant changes in Earth's biota both in the sea and on land. It occurred during the latter part of ...

(CPE).Bernardi et al., 2018, p.3 In Italy, the unit is recognized in the Civetta and Latemar reef buildups, and in Austria at the

Gartnerkofel Gartnerkofel (2,195 m) is a mountain of the Carnic Alps in Carinthia, Austria. It is located on the main chain of the Carnics above the Naßfeld Pass, near the border with Italy. The nearest town is Hermagor-Pressegger See. The mountain has two su ...

Fossil content

Among others, the following fossils have been described from the Schlern Formation: ;Bivalves * '' Daonella esinensis''Ogilvie Gordon, 1927 ;Gastropods * '' Cassianopsis decussata''Friesenbichler et al., 2019 * '' Coelostylina conica'' * '' Fedaiella neritacea'' * '' Hologyra alpina''Böhm, 1895 * '' H. elevata'' * '' Hologyra (Vernelia) dissimilis'' * '' Loxonema aequale'' * '' Neritaria plicatilis'' * '' Palaeonarica concentrica'' * '' Promathildia pygmaea'' * '' Pustulifer alpina'' * '' Tyrsoecus (Stephanocosmia)'' * '' Zygopleura spinosa''

References

Bibliography

* *

Text and images are available under
Creative Commons Attribution 4.0 International License
* * {{cite LSA , last=Böhm , first=J , year=1895 , title=Die Gastropoden des Marmolatakalkes , journal=

Palaeontographica This is a list of academic journals, monographic series, and other serials published by E. Schweizerbart. A B C D E F G H I J K L M N P Q R S T U V W Z {{columns-list, colwidth=30em, *''Zeitschrift ...

, volume=42 , pages=211–308

Description

Fossil content

See also

References

Bibliography

Further reading