Loc. 21 - Gargorre Fm (Miocene of Somalia)

Where: Somalia (10.4° N, 51.0° E: paleocoordinates 10.0° N, 49.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gargorre Formation (Hafún Group), Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Gargorre Fm [enterers usage] of the Hafún Series [group?], and presumably regionally overlies the Naag Fm [enterers usage] (Early Miocene) and is overlain by the Late Miocene conglomerates. AGE: Middle Miocene, equivalent to Burdigalian-Helvetian and uppermost Gaj/lower Mekran according to author on the basis of larger formaniferal and molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within section.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified siliciclastic sediments

• ENVIRONMENT: Shallow shelf siliciclastic environment.
• SPECIFIC LITHOLOGY: Unknown, but presumably siliciclastic. LITHIFICATION: Lithified on the basis of figured specimens from adjacent beds.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Facca & Marchesini in 1938-1939

• COLLECTOR: Collected by G. Facca and E. Marchesini, 1938-1939. REPOSITORY: Museo dell' Istituto Geologico dell' Universitá di Firenze.

Primary reference: A. Azzaroli. 1958. L'Oligocene e il Miocene della Somalia. Stratigrafia, Tettonica, Paleontologia (Macroforaminferi, Coralli, Molluschi). Palaeontolographia Italica 52:1-142 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 78950: authorized by Austin Hendy, entered by Austin Hendy on 19.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not exhaustive, but limited to characteristic gastropoda, bivalvia, foraminifera, and anthozoa. NOMENCLATURE: Authoritative publication, but with antiquated nomenclature.
Bivalvia
 Ostreida - Ostreidae
"Ostrea gryphoides" = Crassostrea gryphoides
"Ostrea gryphoides" = Crassostrea gryphoides Schlotheim 1813 oyster
Anthozoa
 Scleractinia - Faviidae
"Heliastrea reussiana" = Tarbellastraea reussiana
"Heliastrea reussiana" = Tarbellastraea reussiana Milne-Edwards and Haime 1850 stony coral