Kaplanbek Formation

Kaplanbek Fm

Period:

Paleogene

Age Interval:

Upper Paleocene (Thanetian), CK11

Province:
Chatkal-Kuramin Region

Type Locality and Naming

Along Kaplanbek village, Tashkent district. V.A. Bykadorov, S.M. Blaykhova, E.M. Loseva et al., 1974 (123, p.63).

Synonym:

Lithology and Thickness

Limestones, dolomitic, sandy, oolitic; shell rocks, sandstones with layers of clays and marls. Thickness up to 17m.

Lithology Pattern:

Dolomitic limestone

Relationships and Distribution

Lower contact

Lies with erosion on Temirchin Fm, Darbaza Fm, Yalovach Fm of the Upper Cretaceous and conformably on Bosagin Fm

Upper contact

It is conformably overlain by Kaynarbulak Fm

Regional extent

Tashkent district. Correlated with the Bukhara Fm, the lower part of the Givar Fm. Southwest Gissar (with Pycnodonta antiqua, Acarinina tadjikistanensis djanensis zone). (444).

GeoJSON

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Fossils

Contains marine bivalve mollusks - Corbula (Cuneocorbula) asiatica Vial., Modiolus jeremejewi Rom., Cardita minutula Rom., Lucina gravessi Desh., L. prevosti Desh.; spore-pollen - Pinus sp., Triatriopollenites araboratus Pfl., T. confusus Zakl., T. plicoides R.Pot., T. robustus R.Pot.

Age

Belongs to the Upper Paleocene (Thanetian stage).

Age Span:

Beginning stage:

Thanetian

Fraction up in beginning stage:

0.4

Beginning date (Ma):

57.94

Ending stage:

Thanetian

Fraction up in the ending stage:

0.5

Ending date (Ma):

57.62

Depositional setting

Depositional pattern:

Additional Information

Compiler:

A.A. Abdusamatov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”