Katupotha, J.
(Department of Forestry and Environmental Science University of Sri Jayewardenepura, 2013)
In the Earth’s history, there were five major glaciations, namely, Huronian (2,300 Ma),
Cryogenianor Sturtian-Varangian(850-635 Ma), Andean-Saharan (460-430 Ma, Karoo (360-260 Ma) and
the Quaternary (2.58 Ma to Present) ...