Abraham Werner & his followers in the 18th c. were called Neptunists; they believed that all rocks were formed here
According to Werner, all of the Earth's rocks were formed by rapid chemical... [DOC] [TLE] Week #5 (February 11) - NMSU Astronomy [PAR] This lead to the idea that once upon a time, all of the continents were joined 
together, and ... at Freiburg in Germany, geology was first taught by Abraham 
Werner.