Permanence theory

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The theory of permanence (from the Latin permanere to remain) was a geotectonic theory that was important until the paradigm shift in geology in the 1960s and is now considered obsolete. It builds on the idea of fixism .

The theory advocated by Charles Lyell and James Dwight Dana teaches - in contrast to today's authoritative theory of plate tectonics - the view that the distribution of continents and oceans on earth has fundamentally not changed. Regional shifts in the image of the earth would only have resulted from vertical changes in the crust of the earth's surface and from ocean flooding at the continental margins. This was supported by the geological observation that there are hardly any real deep sea sediments in the mountains .

The geosynclinal theory , which goes back to Dana, is essentially based on the permanence theory .