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Amol section, Bed 31, lower Heraz Valley (Permian of Iran)

Where: Iran (36.3° N, 52.4° E: paleocoordinates 1.1° S, 45.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nesen Formation, Changhsingian (254.0 - 252.3 Ma)

• 2.2 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, ferruginous, brown, red, argillaceous shale

• Clay-shale, soft, ferruginous, dark brown-red, contains small (1.2 cm) lumps and lenses of hard, yellow, ferruginous claystone

Size class: macrofossils

Collected by D.L. Stepanov, F. Golshani, J. Stocklin

Primary reference: D. L. Stepanov, F. Golshani, and J. Stöcklin. 1969. Upper Permian and Permian-Triassic boundary in north Iran. Geological Survey of Iran Report 12:1-72 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118354: authorized by Matthew Clapham, entered by Matthew Clapham on 13.10.2011

Creative Commons license: CC BY (attribution)