Pachkamar Fm
Period:
Cretaceous
Age Interval:
upper Turonian, B1
Province:
Bukhara-SW Gissar
Type Locality and Naming
By the village of Pachkamar, SW Gissar. Kh.Kh.Mirkamalov, M.E.Egamberdyev, 1969 (300, p.63). Stratotype in 5 km NW of the village of Akrobat. Upper formation in Adamtash Gr.
Synonym: Pachkamar Suite, Пачкамарская св., Modun Fm
Lithology and Thickness
Clays with layers of shell rocks and marls. Thickness 40-80m.
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Conformably overlies the Dekhkanabad Fm
Upper contact
Overlain by the Akrabat Fm
Regional extent
GeoJSON
null
Fossils
Contains marine bivalve mollusks - Liostrea rouvillei Coq., L. oxiana Rom.; ammonites - Placentieras ex gr. akrabatense Vin.
Age
Belongs to the late Turonian
Age Span:
Beginning stage:
Turonian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
90.74
Ending stage:
Turonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
89.39
Depositional setting
Depositional pattern:
Additional Information
Compiler:
A.M.Bogomolova – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”