Accommodation structures on Morgan hinge zone, Gulf of Suez, Egypt

Conference · Mon Feb 01 04:00:00 EST 1988 · AAPG Bull.; (United States)

OSTI ID:5797572

Perry, S K; Schamel, S

The Morgan hinge zone is a narrow, complex structural belt separating a province of southwest-dipping fault blocks in the southern Gulf of Suez from a northeast-dipping province in the central Gulf. The variety of accommodation structures within this zone appears to result from the intersection of oppositely dipping, low-angle extensional detachments underlying the two dip provinces. Three major accommodation structures link to form the Morgan hinge zone. Transverse arches project outward from both rift margins. In the west, near Ras Shukheir, a gently dipping platform breaks northward into an array of small cross-strike tilt blocks but is truncated on the south by a broad, arcuate cross fault with major throw. In the central Gulf, a series of arcuate normal faults form spiraling splays around the broad dome at the Morgan field. The factors controlling the accommodation structures are (1) the configuration of the master detachments adjacent to the accommodation zone, (2) the vertical separation between the two opposing master detachments, and (3) preexisting mechanical weaknesses within the prerift basement terrane.

• Research Organization: Univ. of South Carolina, Columbia (USA)
• OSTI ID: 5797572
• Report Number(s): CONF-880301-
• Conference Information: Journal Name: AAPG Bull.; (United States) Journal Volume: 72:2
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
AFRICA
DEVELOPING COUNTRIES
EGYPTIAN ARAB REPUBLIC
GEOLOGIC FAULTS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
GULF OF SUEZ
RED SEA
SEAS
SURFACE WATERS