Northwestern Desert ==> Zeitoun Formation

Question 1

Author

Answer 1

Keeley, 1989

Question 2

Age

Thickness

Answer 2

Devonian

(900-1200) m, Average 750m in Siwa Basin

Question 3

Lithology

Answer 3

Claystone, Sandstone, and thin conglomerate become more abundant toward the top.
Limestone bands are common in lower part

Question 4

Boundaries

Answer 4

conformably overlies the Basur formation and uncomfortably underlies the Carboniferous Desouqy formation

Question 5

Faunal content and environment of deposition:

Answer 5

Palynomorphs, Brachiopods, Bryozoans, Echinoderms as well as foraminifera, conodonts, and Ostracods