Neogene

Paleogene

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Mesoproterozoic

Paleoproterozoic

Main source = Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian) Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

Makrid Formation

Makrid Fm

Period:

Silurian

Age Interval:

Ludlow, Z4

Province:
Zarafshan-N.Gissar

Type Locality and Naming

Along the village of Makrid, southeastern part of the Kara-Tyube Mountains. V.S. Korsakov et al., 1993 (460, p.88). Previously, the deposits of A.A. were included in the composition of the Pyazyn Fm of the Zirabulak-Ziaetdin Mountains.

Synonym: Makrid Suite, Макридская св.

Lithology and Thickness

Dolomites, dolomitic limestones, interlayers of limestones. Thickness 650-700m.

Lithology Pattern:

Dolomite

Relationships and Distribution

Lower contact

Relationships with enclosing rocks - along faults. Schematic stratigraphic column indicates the lower contact as Burchakyrtau Fm

Upper contact

Relationships with enclosing rocks - along faults. Schematic stratigraphic column indicates the upper contact as Tersak Fm

Regional extent

The Kora-Tyube.

GeoJSON

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Fossils

Contains corals - Parastriatopora ex gr. tebenjacovi Tchern.; amphiporids - Striatopora sp. ind., Paramphipora sp.

Age

Ludlow age is substantiated by paleontological data (Korsakov et al., 1984). On the State Geolmap-500 of Uzbekistan (460), it is attributed to the Ludlow of the Silurian.

Age Span:

Beginning stage:

Gorstian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

426.74

Ending stage:

Ludfordian

Fraction up in the ending stage:

1.0

Ending date (Ma):

422.73

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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