The Earth's Shifting Crust by Charles Hapgood - wire of information

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EARTH'S SHIFTING CRUST
But we see much more: the sedimentary strata are followed by
volcanic rocks to the east of the hills. Some parallel the strata like
flows or sheets, poured over them and tilted with them. Others break
across the sandstone layers and rise steeply from below. This means
that as the continent's rim was bent downward at the Lebombo hills,
the crust burst, and cracks opened through which hot melt shot upward
and boiled over.
So the eastern margin of Africa at the turn of the Paleozoic Period
was a giant hinge on which the crust bent down, to be covered by
the ocean. What we see here is merely a cross-section . . . one can
go further north or south, and even to the other side of the continent
and discover that great stretches of this unique land have suffered
the same fate. The oceans sank adjacent to the continents, and the
continent rose out of the ocean (85:73-74).
Cloos makes it clear that in one geological period the
continent was bent down so that a part of it became sea bottom
(not merely continental shelf) and that at a later period
it was uplifted some 6,000 feet, the sea bottom became land,
and the continental margin was shoved far to the east. When
we contemplate gigantic movements of this sort, it seems
reasonable to take the geophysical objections to changes in
the positions of the continents with a grain of salt. If a large
part of a continent can be shown not to have been permanent,
it is unnecessary to assume the permanence of any of it.
On the other hand, such changes need to be explained, and
they need to be reconciled with basic principles of physics.
The fact that theories of continent formation and history
hitherto proposed have failed to solve the problem reduced a
recent writer on lost continents to the following confession of
ignorance:
Since somebody can bring good, solid objections on one ground or
another against all these hypotheses, however, we had better agree
that nobody knows why continents or parts of continents sink, and let
it go at that. No doubt a sound explanation, perhaps combining fea-
tures of the older theories, will be forthcoming some day (64:161).
It may be useful to consider, in juxtaposition, the African
Rift with the question of the North Atlantic land mass al-
ready discussed. In a sense, the two are complementary. In