On the expedition he met Alexander Du Toit, both geologists were among the ( at that time rare ) supporters of Alfred Wegeners'continental drift theory.
12.
However, Severgin was later to retract this theory in favour of the drift theory of Charles Lyell who believed they had been carried by icebergs.
13.
Borish is a co-author of " Introduction to Drift Theory " ( 1986 ), along with Paul D . Knudsvig and Edward L . Rombach.
14.
The granite outcrops of the Seychelles Islands in the central Indian Ocean were amongst the earliest examples cited by Alfred Wegener as evidence for his continental drift theory.
15.
The continental drift theory, originally proposed in 1912 by Alfred Wegener, a German meteorologist, had long been debated by scientists, but the discovery was a crucial piece of evidence.
16.
In these years, Dr . Kosswig expanded his field of study to include mammals, comparative genetics, gender inheritance, tumor genetics, gene manifestation, Anatolian fauna, and even continental drift theory.
17.
In November 1926 Wegener presented his continental drift theory at a symposium of the American Association of Petroleum Geologists in New York City, again earning rejection from everyone but the chairman.
18.
The first, " Some Considerations of and Additions to the Taylor-Wegener Hypothesis of Continental Displacement " ( 1946 ), details the elaboration of the continental drift theory proposed by Frank Bursley Taylor.
19.
Fossils of seed ferns such as " Glossopteris " are widely distributed throughout several continents of the Southern Hemisphere, a fact that gave support to Alfred Wegener's early ideas regarding Continental drift theory.
20.
Some supporters of the drift theory, such as Sergius Mamay and Ellis Yochelson, believed that the presence of marine animals in coal balls proved material was transported from a marine to a non-marine environment.
