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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract


Pub. Id: A145 (1974)

First Page: 1

Last Page: 10

Book Title: M 20: The Black Sea--Geology, Chemistry, and Biology

Article/Chapter: Bathymetry and Microtopography of Black Sea: Structure

Subject Group: Sedimentology

Spec. Pub. Type: Memoir

Pub. Year: 1974

Author(s): David A. Ross (2), Elazar Uchupi (2), Kenneth E. Prada (2), Joseph C. MacIlvaine (3)

Abstract:

Echo-sounding data collected during the 1969 Atlantis II cruise to the Black Sea show four distinct physiographic provinces: shelf, basin slope, basin apron, and abyssal plain. The Danube fan, a relict sedimentary feature, crosses the latter three provinces. The basin slopes are highly dissected where erosion is dominant and smooth where deposition is prevalent. Submarine canyons are common in the highly dissected parts of the slope. Small topographic features similar to lower-continental-rise hills found off the eastern United States occur near the Bosporus. Two types of such features were found: blocklike features are the result of slumping. The conical to asymmetrical mounds are of undetermined origin; they may be channel divides or levees, or they may be due o slumping or bottom currents.

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