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phenomenon which sometimes occurs at the lake and the marsh and forest area in the immediate vicinity. One has described the light as a ball that moves at different speeds, or are completely at rest, and sometimes there are several spheres. The phenomenon has been known for a long time, written down
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from the 18th century, and is part of the local folk tales, which have given the name "devils". The locals thought the shining spheres were created by evil beings. The magnetic anomalies in connection with the impact crater might be related to the phenomenon.
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in 1999 making it the ninth known impact crater in
Finland. Unlike many Finnish craters, it does not seem to have been buried under layers of
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218:, is devoid of islands which makes it different from other lakes in the region. Paasselkä is also unusually deep, 75 m at the deepest point.
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anomalies, Paasselkä was suspected to have an impact origin long until it was confirmed after a deep
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367:"Impact melt rocks from the Paasselkä impact structure (SE Finland): Petrography and geochemistry"
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198:, both names roughly mean 'Stone lake') is an oval-shaped lake formed in an eroded
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Planetary and Space
Science Centre University of New Brunswick Fredericton
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The
Paasselkä impact occurred roughly <1800 million years ago (
331:"Paasselkä: A New Meteorite Impact Structure in Eastern Finland"
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Pesonen, L. J.; Kuivasaari, T.; Lehtinen, M.; Elo, S. (1999).
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crystalline rocks and some overlying sandstones of the
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365:Schmieder, M.; Moilanen, J.; Buchner, E. (2008).
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16:Impact crater lake in Southern Savonia, Finland
237:. Because of the unusual shape and associated
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1088:Eastern Finland Province geography stubs
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371:Meteoritics & Planetary Science
338:Meteoritics & Planetary Science
1006:. You can help Knowledge (XXG) by
392:10.1111/j.1945-5100.2008.tb01122.x
358:10.1111/j.1945-5100.1999.tb01769.x
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965:Lunar and Planetary Institute
797:Cretaceous–Paleogene boundary
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857:Planar deformation features
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960:Impact Field Studies Group
407:Paasselkä impact structure
1058:Impact craters of Finland
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449:
443:Impact cratering on Earth
281:Impact craters in Finland
57:
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930:William Kenneth Hartmann
596:Clearwater East and West
544:Confirmed≥20 km diameter
147:13 km (8.1 mi)
1063:Triassic impact craters
847:Ordovician meteor event
383:2008M&PS...43.1189S
350:1999M&PSA..34R..90P
171:60 m (200 ft)
163:75 m (246 ft)
155:9 km (5.6 mi)
1002:location article is a
950:Eugene Merle Shoemaker
827:Late Heavy Bombardment
1053:Earth Impact Database
971:Traces of Catastrophe
955:Earth Impact Database
903:Ralph Belknap Baldwin
306:Earth Impact Database
1078:Nature of Savonlinna
257:Paasselän pirut, or
1083:Impact crater lakes
97: /
867:Shock metamorphism
772:Alvarez hypothesis
123:Impact crater lake
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920:Edward C. T. Chao
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168:Surface elevation
101:62.150°N 29.417°E
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908:Daniel Barringer
817:Impact structure
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377:(7): 1189–1200.
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276:Paasselkä devils
263:will-o'-the-wisp
259:Paasselkä devils
253:Light phenomenon
231:Paleoproterozoic
227:Paleoproterozoic
204:Southern Savonia
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1008:expanding it
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940:Graham Ryder
862:Shatter cone
852:Philippinite
701:Saint Martin
696:Rochechouart
601:Gosses Bluff
556:Amelia Creek
459:Impact event
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314:. Retrieved
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736:Tookoonooka
721:Steen River
711:Siljan Ring
641:Manicouagan
626:Keurusselkä
344:: A90–A91.
301:"Paasselkä"
180:Settlements
144:Max. length
104: /
79:Coordinates
1047:Categories
877:Stishovite
777:Australite
756:Yarrabubba
726:Strangways
686:Presqu'île
661:Montagnais
631:Lappajärvi
581:Charlevoix
566:Beaverhead
561:Araguainha
515:By country
485:Antarctica
316:2009-08-16
287:References
223:Statherian
184:Savonranta
160:Max. depth
152:Max. width
842:Moldavite
837:Meteorite
822:Impactite
751:Woodleigh
746:Vredefort
706:Shoemaker
666:Morokweng
651:Mistastin
591:Chicxulub
495:Australia
475:Worldwide
196:Paasivesi
194:(earlier
192:Paasselkä
73:, Finland
46:Paasselkä
22:Paasselkä
896:Research
741:Tunnunik
636:Logancha
606:Haughton
576:Carswell
520:Possible
270:See also
247:sediment
243:drilling
239:magnetic
67:Location
887:Tektite
882:Suevite
787:Coesite
782:Breccia
731:Sudbury
681:Popigai
676:Obolon'
656:Mjølnir
621:Karakul
611:Kamensk
571:Boltysh
551:Acraman
379:Bibcode
346:Bibcode
212:Orivesi
208:Finland
135:Finland
92:29°25′E
89:62°09′N
1068:Saimaa
765:Topics
646:Manson
500:Europe
480:Africa
998:This
468:Lists
334:(PDF)
130:Basin
1004:stub
616:Kara
118:Type
387:doi
354:doi
202:in
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319:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
