Appalachia (landmass)

id: appalachia-landmass-215-2177429
title: Appalachia (landmass)
text: During most of the Late Cretaceous the eastern half of North America formed Appalachia, an island land mass separated from Laramidia to the west by the Western Interior Seaway. This seaway had split North America into two massive landmasses due to a multitude of factors such as tectonism and sea-level fluctuations for nearly 40 million years. The seaway eventually expanded, divided across the Dakotas, and by the end of the Cretaceous, it retreated towards the Gulf of Mexico and the Hudson Bay. T
brand slug: wiki
category slug: encyclopedia
description: Mesozoic land mass separated from Laramidia to the west by the Western Interior Seaway
original url: https://en.wikipedia.org/wiki/Appalachia_(landmass)
date created: 2006-01-09T23:17:27Z
date modified: 2024-09-12T19:56:46Z
main entity: {"identifier":"Q2858595","url":"https://www.wikidata.org/entity/Q2858595"}
image: {"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/23/Map_of_North_America_with_the_Western_Interior_Seaway_during_the_Campanian_%28Upper_Cretaceous%29.png","width":1945,"height":2391}
fields total: 13
integrity: 16

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