Tersak Fm
Period:
Silurian, Devonian
Age Interval:
Late Silurian - Devonian, Z4
Province:
Zarafshan-N.Gissar
Type Locality and Naming
Along Tersay, Kara-Tyube Mountains. V.S. Korsakov in 1984 (460, p. 98),
Synonym: Tersaksayskaya Topitsa, Терсакская т.
Lithology and Thickness
Banded massive marbles and limestones. Thickness 300-500m
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Relationships with surrounding sedimentary rocks are tectonic. Schematic stratigraphic column indicates the lower contact as Makrid Fm
Upper contact
Relationships with surrounding sedimentary rocks are tectonic. Schematic stratigraphic column indicates the upper contact as Khozretdavut Fm
Regional extent
Eastern part of the Kara-Tyube Mountains.
GeoJSON
null
Fossils
Organic remains not found
Age
Intruded by granitoids of late Carboniferous and Permian age. Late Silurian - Devonian age is accepted conditionally.
Age Span:
Beginning stage:
Pridoli
Fraction up in beginning stage:
0.0
Beginning date (Ma):
422.73
Ending stage:
Lochkovian
Fraction up in the ending stage:
1.0
Ending date (Ma):
412.40
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)”