How far did the west wander?

Article Abstract:

Recent findings support geophysicists' contentions that parts of Canada's coast drifted from as far as Baja California, as opposed to geologists' consensus that the chunks traveled a few hundred kilometers at most. Jane Wynn's evidence from paleomagnetic analysis of Canadian rocks is described.

Analysis, Reports, North America, Geological research, Geophysical research

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... But did deeper forces act to uplift the Andes?

Article Abstract:

Seismologist Paul Silver suggests that the Andes, unlike mountain ranges that were formed by colliding continents, are the result of a westward moving South America colliding with viscous mantle rock. Geophysicist Raymond Russo and Silver attribute the continent's movement to mantle flow.

Andes, South America, Origin, Mountains

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Did a plate tectonic surge flood earth?

Article Abstract:

A new analysis of the geologic record indicates that plate motions rather than a superflume of molten rock rising from the ocean floor were responsible for the sea surges that flooded earth 100 million year ago.

Geology, Stratigraphic, Stratigraphy, Cretaceous period, Submarine geology, Marine geology

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