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Konstantinov Creek Yagtydin Horizon (Carboniferous of Russian Federation)

Where: komi, Russian Federation (65.7° N, 59.7° E: paleocoordinates 16.0° N, 14.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Konstantin-El Formation), Tournaisian (360.7 - 345.3 Ma)

• Siphonodella quadruplicata conodont zone, lower part

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified, lenticular, black, cherty/siliceous shale and lithified, black, cherty/siliceous limestone

• Black cherty argillite with layers of cherty limestone.

Size classes: mesofossils, microfossils

Preservation: recrystallized, original phosphate, original silica, replaced with silica

Collection methods: quarrying, chemical, mechanical, peel or thin section,

Primary reference: A. V. Zhuravlev. 2003. Signatures of Mid-Tournaisian biotic event in North Urals. Biulleten Moskovskogo Obsgchestva Ispytateleii Prirody. Otdelenie Geologicheskoe 78(1):26-32 [A. Zhuravlev/A. Zhuravlev/A. Zhuravlev] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 46081: authorized by Andrey Zhuravlev, entered by Andrey Zhuravlev on 31.12.2004