Though another group, I was made aware of:
http://www.mondovista.com/adamscalendar.html
This, with a number of linked pages shows geological evidence of a
previously unknown prehistoric settlement in south Africa. It is
suggested that ETs settled here to mine gold and interbred with then
existing species to produce homo sapiens.
There is a lot to digest here, but it all ties in with much of what we
are now studying.
Check it out!
Hansi