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

Taskarin Formation

Taskarin Fm

Period:

Proterozoic

Age Interval:

Lower Proterozoic (?), K5

Province:
Kyzylkum Region

Type Locality and Naming

Along the Tasakara River, South Tamydytau, Central Kyzylkum. V. A. Khokhlov et al., 1977 (493, p.68). Stratotype in the Tasakara River.

Synonym: Taskarin Suite, Таскаринская св.

Lithology and Thickness

Diaphthorized amphibolites, garnet amphibolites, quartz-sericite, quartz-biotite slates with rare lenticular interlayers of carbonate-sericite-quartz slates. Single horizons of cherts and marbles are encountered. The complete absence of primary structures is characteristic, slaty cleavage and foliation are intensely developed. Thickness 300-340m.

Lithology Pattern:

Claystone

Relationships and Distribution

Lower contact

Stratigraphic boundaries of the suite are unknown: everywhere tectonic contacts.

Upper contact

Stratigraphic boundaries of the suite are unknown: everywhere tectonic contacts.

Regional extent

Central Kyzylkum, South Tamydytau, central part of the Tasakarin Anticline in the Tasakara River.

GeoJSON

{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[64.129,41.563],[64.241,41.834],[64.392,41.834],[64.668,41.771],[64.797,41.741],[64.816,41.664],[64.729,41.533],[64.671,41.481],[64.603,41.454],[64.507,41.454],[64.129,41.563]]]}}

Fossils

Organic remains not found.

Age

The age is conditionally determined as early Proterozoic (165). Along V.A. Khokhlov, there are radiological determinations of the stages of metamorphism of rocks - 540 million years (by biotite, K-Ar) and 1070 million years (Rb/Sr). In the Strat. sl. (442) it is conditionally referred to the Proterozoic.

Age Span:

Beginning stage:

Calymmian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

1,600.00

Ending stage:

Calymmian

Fraction up in the ending stage:

1.0

Ending date (Ma):

1,400.00

Depositional setting

Depositional pattern:

Additional Information

Compiler:

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