Shakhdaryn Gr

Cenozoic

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Main source = Baratov, R.B., et al. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Publishing House "Donish", Dushanbe, 269 pp. plus tables. Provided by Dr. Jovid Aminov, Nazarbayev University, Astana, Kazakhstan Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

Select Region(s) to search
Hold Ctrl (Windows/Linux) or Command (Mac) to select multiple

Shakhdaryn Gr

Period:

Archean

Age Interval:

Eoarchean – Neoarchean, Sh1

Province:
SE Tajik (SW Pamir)

Type Locality and Naming

Includes in Shadarlan and Schugnan ranges.

Delineated by B. Ya. Khorova and K. T. Budanova (1965). Within the volumes accepted in this work, these suites were delineated in 1957-1970 by V. P. Bulin, K. T. Budanova, G. S. Volos, and A. G. Davydchenko during geological mapping. In somewhat different volumes, and sometimes under different names, these suites or those close to them were previously delineated by S. I. Klunnikov, V. A. Maslennikov, and M. I. Rabkin (Geol. USSR, vol. 24, 1959; Barhatov, 1963).

Synonym: Shakhdaryn Series, Шахдаринская серия, Shakhdarinsk series

Reference section:

Lithology and Thickness

The series consists of four formations lying conformably on each other. They are Drumdara Fm, Wrang Fm, Darshay Fm, Khoreg Fm.

Lithology Pattern:

Gneiss

Relationships and Distribution

Lower contact

Conformably Drumdara Fm

Upper contact

Regional extent

It is widespread in the Southwest Pamir.

GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[71.71,37.37],[71.9,37.33],[72.39,37.4],[72.93,37.38],[73.16,37.4],[73.31,37.4],[73.57,37.28],[73.54,37.17],[73.05,37.14],[72.53,36.94],[72.29,36.71],[72.09,36.73],[71.72,36.55],[70.95,36.6],[71.2,37.1],[71.56,37.36],[71.71,37.37]]]]}}

Fossils

Age

Eoarchean – Neoarchean

Age Span:

Beginning stage:

Eoarchean

Fraction up in beginning stage:

0.0

Beginning date (Ma):

4,000.00

Ending stage:

Neoarchean

Fraction up in the ending stage:

1.0

Ending date (Ma):

2,500.00

Depositional setting

Depositional pattern:

Additional Information

Compiler:

Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Dushanbe, 276.