Lumparn: Difference between revisions
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| municipality = [[Sund, Åland|Sund]], [[Lumparland]], [[Lemland]] & [[Jomala]] | | municipality = [[Sund, Åland|Sund]], [[Lumparland]], [[Lemland]] & [[Jomala]] | ||
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'''Lumparn''' (fi | '''Lumparn''' ({{langx|fi|Lumpari}}) is a large [[bay]] devoid of islands in the [[Fasta Åland|main island]] of [[Åland]], [[Finland]], bordered by [[Sund, Åland|Sund]] to the north, [[Lumparland]] to the east, [[Lemland]] to the south and [[Jomala]] to the west. | ||
== Description == | == Description == | ||
Latest revision as of 00:12, 9 July 2025
Template:Infobox terrestrial impact site Lumparn (Template:Langx) is a large bay devoid of islands in the main island of Åland, Finland, bordered by Sund to the north, Lumparland to the east, Lemland to the south and Jomala to the west.
Description
Most of the bay fills a nine kilometer wide impact structure. The structure is estimated to be about 1000 million years old (Proterozoic).[1] The depression was originally believed to be a rift. Extraterrestrial origin was first proposed in 1979, but not until 1993 was the impact structure finally confirmed. Long shatter cones have been discovered in the southwestern part of the bay. The remains of the crater are filled with sediments. Between Pleistocene sediments and crushed rapakivi granite bedrock there is a layer of Paleozoic (Ordovician) limestones. This makes Lumparn one of the few places in Finland where fossils have been found.
The bay has also previously been referred to as Lumpari[2] in some Finnish documents, though the Research Institute for the Languages of Finland does not list Lumpari as in current usage.[3]
Gallery
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See also
References
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- ↑ Template:Cite Earth Impact DB
- ↑ Lumpari World Water Features Database | WorldCityDB.com Template:Webarchive
- ↑ Svenska Ortnamn i Finland Template:Webarchive, The Research Institute for the Languages of Finland, see "Lumparn"
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External links
- Lumparn impact structure (archived link)
- Template:In lang The Landforms of Finland
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- Map of Lumparn