[Fred Nerks]

In 1917 Ball & Moore came upon a cache of pottery vessels piled against the side of a conspicious hill, some 250 kilometres to the south-west of Dakhla...

http://www.fjexpeditions.com/

"...On the other hill a few hundred metres away, Giancarlo Negro noted a curious engraving on a boulder at the foot of the hill, possibly showing a falling meteorite (?)" ...

A further startling discovery made by the HBI team was the age of some of the pottery at Abu Ballas: thermoluminescence dating yielded a date of 1500 bc...

[blam]

""...On the other hill a few hundred metres away, Giancarlo Negro noted a curious engraving on a boulder at the foot of the hill, possibly showing a falling meteorite (?)" ..."

Maybe this one:

Disaster That Struck The Ancients