>> Sands were created at the same time when these ejections sprayed into the
air in a heavy gaseous form condensing into grains of sand. That explains how
different large sand deposits have a certain size and composition of sand. <<
How do you explain the Kalahari Sands? Tens of millions of years old, with
four or five separate lithologies.
– Greg Laden, Written 06-Sep-1994 @ 21:23:40
Using: Windows NavCIS PRO 1.25
I recommend the following source:
Thomas, David, and Paul Shaw.
1991 The Kalahari Environment. Cambridge University Press
Cheers,
GTL
– Greg Laden, Written 08-Sep-1994 @ 10:40:58
Using: Windows NavCIS PRO 1.25