Jameson Land is a
peninsula
A peninsula (; ) is a landform that extends from a mainland and is surrounded by water on most, but not all of its borders. A peninsula is also sometimes defined as a piece of land bordered by water on three of its sides. Peninsulas exist on al ...
in eastern
Greenland
Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is ...
.
Geography
Jameson Land is bounded to the southwest by
Scoresby Sound
Scoresby Sound (Danish: ''Scoresby Sund'', Greenlandic language, Greenlandic: ''Kangertittivaq'') is a large fjord system of the Greenland Sea on the eastern coast of Greenland. It has a tree-like structure, with a main body approximately (the world's largest
fjord
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Icela ...
), to the northwest by the
Stauning Alps
The Stauning Alps ( da, Stauning Alper) are a large system of mountain ranges in Scoresby Land, King Christian X Land, northeastern Greenland. Administratively the Stauning Alps are part of the Northeast Greenland National Park zone.
This mou ...
, to the north by
Scoresby Land, to the northeast by the
Fleming Fjord and the
Nathorst Fjord of the
Greenland Sea
The Greenland Sea is a body of water that borders Greenland to the west, the Svalbard archipelago to the east, Fram Strait and the Arctic Ocean to the north, and the Norwegian Sea and Iceland to the south. The Greenland Sea is often defined as ...
, and to the east by
Carlsberg Fjord
Carlsberg Fjord ( kl, Kangerterajitta Itterterilaq) is a fjord in King Christian X Land, eastern Greenland.
Administratively it lies in the Sermersooq Municipality. History
This fjord was first noted by British explorer William Scoresby (1789 – ...
, the smaller
Liverpool Land peninsula branching off, and
Hurry Inlet
Hurry Inlet ( da, Hurry Fjord; kl, Kangerterajiva, meaning 'The Little Fjord') is a fjord in King Christian X Land, eastern Greenland.
This fjord is part of the Scoresby Sound system. Administratively it lies in the area of Sermersooq municip ...
. Its northeastern end is
Cape Biot.
The
Mestersvig military base is located in the northern part of the peninsula.
Geology
Jameson Land mainly consists of a tilted
peneplain
390px, Sketch of a hypothetical peneplain formation after an orogeny.
In geomorphology and geology, a peneplain is a low-relief plain formed by protracted erosion. This is the definition in the broadest of terms, albeit with frequency the usage ...
of
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar (both silicates ...
, highest in the east. In the northern end there are also rocks of
Triassic
The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...
age. Two formations are predominant in Jameson Land: the Triassic Fleming Fjord Formation and the Jurassic Kap Stewart Formation.
Triassic fossils of the Fleming Fjord Formation in Jameson Land include: the dipnoi
Ceratodus
''Ceratodus'' (from el, κέρας , 'horn' and el, ὀδούς 'tooth') was a wide-ranging genus of extinct lungfish. Fossil evidence dates back to the Early Triassic. A wide range of fossil species from different time periods have been found ...
, prosauropod and theropod dinosaurs bones and tracks, sauropod tracks,
phytosaurs, temnospondyls, and sharks.
[Mateus, O., Clemmensen L., Klein N., Wings O., Frobøse N., Milàn J., Adolfssen J., & Estrup E. (2014). The Late Triassic of Jameson Land revisited: new vertebrate findings and the first phytosaur from Greenland. Journal of Vertebrate Paleontology. Program and Abstracts, 2014, 182.]
File:Operational Navigation Chart C-13, 3rd edition.jpg, Map of Greenland section
File:Jameson Land dinosaur.jpg, Tail vertebrae and tibia
The tibia (; ), also known as the shinbone or shankbone, is the larger, stronger, and anterior (frontal) of the two bones in the leg below the knee in vertebrates (the other being the fibula, behind and to the outside of the tibia); it connects ...
of a 4 meter long prosauropod
Sauropodomorpha ( ; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives. Sauropods generally grew to very large sizes, had ...
dinosaur
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is t ...
from Jameson Land, at the Geological Museum in Copenhagen
See also
*
Eudimorphodon
*
Fleming Fjord Formation
References
Peninsulas of Greenland
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