| Treskelodden Formation | |
|---|---|
| Stratigraphic range: Gzhelian–Artinskian | |
| Type | Formation |
| Lithology | |
| Primary | Conglomerate, sandstone |
| Other | Limestone |
| Location | |
| Region | Spitsbergen, Svalbard |
| Country |  Norway |
The Treskelodden Beds is a geologic formation exposed near Hornsund on the island of Spitsbergen, Svalbard in Norway. It preserves fossils dating back from the Gzhelian stage of the Carboniferous period to the Artinskian stage of the Permian period. [1]
The Permian is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the last period of the Paleozoic Era; the following Triassic Period belongs to the Mesozoic Era. The concept of the Permian was introduced in 1841 by geologist Sir Roderick Murchison, who named it after the region of Perm in Russia.
The Triassic is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago (Mya), to the beginning of the Jurassic Period 201.4 Mya. The Triassic is the first and shortest period of the Mesozoic Era. Both the start and end of the period are marked by major extinction events. The Triassic Period is subdivided into three epochs: Early Triassic, Middle Triassic and Late Triassic.
Nordaustlandet is the second-largest island in the archipelago of Svalbard, Norway, with an area of 14,443 square kilometres (5,576 sq mi). It lies north east of Spitsbergen, separated by Hinlopen Strait. Much of Nordaustlandet lies under large ice caps, mainly Austfonna and Vestfonna, the remaining parts of the north being tundra inhabited by reindeer and walruses. The island is uninhabited and lies entirely within Nordaust-Svalbard Nature Reserve.
Baltica is a paleocontinent that formed in the Paleoproterozoic and now constitutes northwestern Eurasia, or Europe north of the Trans-European Suture Zone and west of the Ural Mountains. The thick core of Baltica, the East European Craton, is more than three billion years old and formed part of the Rodinia supercontinent at c. 1 Ga.
The Paleontological Museum contains the largest collection of fossils in Norway. It is part of the Natural History Museum at the University of Oslo.
The Cisuralian is the first series/epoch of the Permian. The Cisuralian was preceded by the Pennsylvanian and followed by the Guadalupian. The Cisuralian Epoch is named after the western slopes of the Ural Mountains in Russia and Kazakhstan and dates between 298.9 ± 0.15 – 272.3 ± 0.5 Ma.
The Oslo Graben or Oslo Rift is a graben formed during a geologic rifting event in Permian time, the last phase of the Variscan orogeny. The main graben forming period began in the late Carboniferous, which culminated with rift formation and volcanism, with associated rhomb porphyry lava flows. This activity was followed by uplifting, and ended with intrusions about 65 million years after the onset of the formation. It is located in the area around the Norwegian capital Oslo.
In the geologic timescale, the Olenekian is an age in the Early Triassic epoch; in chronostratigraphy, it is a stage in the Lower Triassic series. It spans the time between 251.2 Ma and 247.2 Ma. The Olenekian is sometimes divided into the Smithian and the Spathian subages or substages. The Olenekian follows the Induan and is followed by the Anisian.
The Induan is the first age of the Early Triassic epoch in the geologic timescale, or the lowest stage of the Lower Triassic series in chronostratigraphy. It spans the time between 251.9 Ma and 251.2 Ma. The Induan is sometimes divided into the Griesbachian and the Dienerian subages or substages. The Induan is preceded by the Changhsingian and is followed by the Olenekian.
Wilhelm Island is an island in the Svalbard archipelago. It is situated northeast of Olav V Land on Spitsbergen, in Hinlopen Strait. Its area is 120 km². About 33.5 % of the island is covered with ice. The island was named after Wilhelm I.
The geology of Norway encompasses the history of Earth that can be interpreted by rock types found in Norway, and the associated sedimentological history of soils and rock types.
Festningen Geotope Protected Area is located at the outermost edge of Grønfjorden's mouth to Isfjorden on Nordenskiöld Land, Spitsbergen in Svalbard, Norway. The profile is a cliff which runs along the coast from Kapp Starostin to Festningsodden. It covers an areas of 16.6 square kilometres (6.4 sq mi), of which 14 square kilometres (5.4 sq mi) is on land and 3 square kilometres (1.2 sq mi) in the sea. Barentsburg is the closest settlement, located 6 kilometres (4 mi) away, across Grønfjorden. Festningen was protect on 26 September 2003, as part of a major expansion of the protected areas in Svalbard. The protected areas is administrated by the Norwegian Directorate for Nature Management and the Governor of Svalbard. Festningen is a traditional name given by Norwegian hunters to the area because it looked like a natural fortress.
Brøggerhalvøya is a peninsula in Oscar II Land on the west coast of the island of Spitsbergen in Svalbard, Norway. It is 20 kilometers (12 mi) long and 10 kilometers (6.2 mi) wide and borders Kongsfjorden to the north and Forlandsundet to the west. Ny-Ålesund, the world's northernmost permanent settlement, is located on the peninsula, which is named for Waldemar Christopher Brøgger.
Alfredfjellet is a mountain at the island of Bjørnøya of the Svalbard archipelago, Norway. It has a height of 420 m.a.s.l. The mountain is named after Swedish geologist and Arctic explorer Alfred Gabriel Nathorst. Geologically, the upper part of the mountain consists of the Permian Miseryfjellet Formation, while the underlying Hambergfjellet Formation displays complete section exposures from the cliffs of Alfredfjellet.
Kapp Dunér is a headland at the island of Bjørnøya of the Svalbard archipelago, Norway. It is the westernmost point of Bjørnøya. The point is named after Swedish astronomer Nils Christoffer Dunér.
The Wijde Bay Formation is a geologic formation exposed on the island of Spitzbergen, Svalbard, Norway. It preserves fossils dating back to the Givetian stage of the Devonian period. It was originally known as the "Wijdefjorden Series" or the "Wijde Bay Series".
The Vikinghøgda Formation is a geologic formation in Svalbard, Norway. It preserves fossils dating back to the Early Triassic (Griesbachian-Spathian) period. It is split into three members, from oldest to youngest: the Deltadalen Member (Induan), Lusitaniadalen Member (Smithian), and Vendomdalen Member (Spathian). The formation can be found in central Spitsbergen, southern Spitsbergen, as well as the smaller islands of Barentsøya and Edgeøya. The type locality is positioned in the vicinity of Vikinghøgda and Sticky Keep, two low peaks along the southeast edge of Sassendalen in Spitsbergen. The two upper members of the Vikinghøgda Formation were previously grouped together as the Sticky Keep Formation.
The Vardebukta Formation is a geologic formation in Norway. It preserves fossils dating back to the Induan stage. Outcrops are known from the Hornsund area but also from Bellsund and Isfjorden areas.
The geology of Svalbard encompasses the geological description of rock types found in Svalbard, and the associated tectonics and sedimentological history of soils and rocks. The geological exploration of Svalbard is an ongoing activity, and recent understandings may differ from earlier interpretations.
Baiera is a genus of prehistoric gymnosperms in the order Ginkgoales. It is one of the oldest fossil foliage types of Ginkgoales, and is related to the genera Ginkgo and Ginkgoites. Fossils of Baiera are found worldwide, and have been known from the Permian to the Cretaceous.
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