Bir Zaltan - Marada Formation (Miocene to of Libya)

Where: Libya (29.2° N, 19.2° E: paleocoordinates 28.2° N, 17.9° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Marada Formation, Aquitanian to Aquitanian (23.0 - 16.0 Ma)

• The Marada Formation is divided into two members; a lower Qarat Jahannam Member and an upper Ar Rahlah Member. The type section of the Qarat Jahannam Member has a thickness of 123 m (404 ft). The member is made up mostly of green and yellow sandstones with minor green shales, calcareous sandstones, limestones, dolomites, and gypsum. Assigned an Aquitanian-Burdigalian age.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, dolomitic, gypsiferous, green, yellow, calcareous sandstone and green shale

• No paleoenvironmental data provided.
• Green and yellow sandstones with minor green shales, calcareous sandstones, limestones, dolomites, and gypsum.

Size classes: macrofossils, microfossils

Collection methods: No detailed collection data reported.

Primary reference: E. E. Tawadros. 2001. Geology of Egypt and Libya 1-468 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 42130: authorized by Austin Hendy, entered by Austin Hendy on 24.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Collection based on taxa listed in text as typical of formation. Includes molluscs, echinoderms and forams. Page 286
Bivalvia
 Pectinida - Placunidae
 Pectinida - Pectinoidae
Mammalia
 Proboscidea - Gomphotheriidae
"Mastodon cf. angustidens" = Tetrabelodon angustidens
"Mastodon cf. angustidens" = Tetrabelodon angustidens Cuvier 1806 gomphothere
 Artiodactyla - Climacoceratidae
Prolibytherium magnieri Arambourg 1961 even-toed ungulate
Reptilia
 Testudines - Podocnemididae
 Testudines - Trionychidae
Trionyx sp. Geoffroy Saint-Hilaire 1809 softshell turtle
 Crocodylia - Crocodylidae
Euthecodon sp. Fortau 1920 crocodile
Echinoidea
 Echinolampadoida - Echinolampadidae
Foraminifera
 Rotaliacea - Rotaliidae
 Acervulinacea - Homotrematidae
Tubothalamea
 Miliolida - Soritidae
Globothalamea
 Rotaliida - Discorbidae
Foraminifera
 Rotalioidea - Elphidiidae