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Llyn crater folcanig

Llyn crater folcanig
Mathllyn crater, tirffurf folcanig, llyn a ffurfiwyd gan weithgaredd folcanig Edit this on Wikidata
Rhan ocrater folcanig Edit this on Wikidata
Tudalen Comin Ffeiliau perthnasol ar Gomin Wicimedia

Llyn mewn crater a ffurfiwyd yn ystod ffrwydrad folcanig yw llyn crater folcanig. Yn aml mae llynnoedd o'r fath yn ffurfio mewn callorau, sef pantiau mawr sy'n cael eu creu ar ôl i losgfynyddoedd cwympo'n ôl i'r ddaear ar ôl iddynt fwrw magma allan i'r awyr a'r wyneb. Gall y dŵr ynddynt ddod o ddyodiad, neu ddŵr daear neu wedi toddi.

Enghraifft adnabyddus o lyn crater yw Llyn Crater,[1] sy'n llyn callor yn Oregon, Unol Daleithiau America, ac yn ganolbwynt Parc Genedlaethol Llyn Crater.

Cyfeiriadau

[golygu | golygu cod]
  1. "Facts and Figures about Crater Lake" (yn Saesneg). U.S. National Park Service. Cyrchwyd 17 Mawrth 2009.
Eginyn erthygl sydd uchod am ddaeareg. Gallwch helpu Wicipedia drwy ychwanegu ato
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Llyn crater folcanig
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