Shalamzar area, Bakhtiari succession, Bk-2 unit, grey pebbly limestone (Miocene of Iran)

Also known as Coral interval B

Where: Iran (32.1° N, 50.8° E: paleocoordinates 29.5° N, 49.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bakhtiari Formation, Miocene (23.0 - 5.3 Ma)

• The precise dating of the Bakhtiari succession (within the Miocene) requires further highresolution taxonomic and biostratigraphic studies of the foraminifera and nannofossil species.

Environment/lithology: shallow subtidal; wackestone and packstone

• Within this carbonate layer biotic components include echinoid spines, mollusc fragments and benthic foraminifera are dispersed in a wackestone–packstone fabric. The coral components of the pebblebearing limestone consist of thin branching colonies.The coral growth fabrics of the faunal assemblages constitute a sparse pillarstone. The growth fabrics were poorly developed due to the sparse development of corals (ca 5% volume).
• wackestone–packstone fabric.Grey pebbly limestone with small scattered coral colonies (Coral interval B).

Size classes: macrofossils, mesofossils

Primary reference: A. H. Rahiminejad, M. Yazdi, and A. R. Ashouri. 2010. Miocene scleractinian corals from a mixed siliciclastic–carbonate system: Bakhtiari succession, Zagros Basin (central-western Iran). Alcheringa: An Australasian Journal of Palaeontology 35(4):571-592 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 151424: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 01.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Mollusca indet.
Mollusca indet. Linnaeus 1758
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
Anthozoa
 Scleractinia - Poritidae
Porites cf. maigensis, Porites cf. mancietensis
Porites cf. maigensis Kühn 1925 stony coral
Porites cf. mancietensis Chevalier 1961 stony coral
Foraminifera
 Asterigerinacea - Amphisteginidae
Amphistegina sp.
Amphistegina sp. d'Orbigny 1826
Globothalamea
 Rotaliida - Miogypsinidae
Miogypsina sp.
Miogypsina sp. Sacco 1893
Tubothalamea
 Miliolida - Alveolinidae
Borelis melo