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SUBSURFACE TRIASSIC SEDIMENTS IN JORDAN: STRATIGRAPHIC AND DEPOSITIONAL CHARACTERISTICS, AND HYDROCARBON POTENTIAL
Author(s) -
Shinaq R.
Publication year - 1996
Publication title -
journal of petroleum geology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.725
H-Index - 42
eISSN - 1747-5457
pISSN - 0141-6421
DOI - 10.1111/j.1747-5457.1996.tb00513.x
Subject(s) - geology , evaporite , facies , unconformity , clastic rock , sedimentary depositional environment , isopach map , paleontology , permian , carbonate , ladinian , geochemistry , sedimentation , sedimentary rock , sediment , structural basin , materials science , metallurgy
Unconformity surfaces have been used to divide the subsurface Triassic sediments of Jordan into five sequences. These sequences show a gradual transition from fluviatile‐deltaic sedimentation during the Permian, to mixed sedimentation of sandstones, silty shales and claystones together with shallow‐water carbonates from the Scythian to the end of the Ladinian. Anhydritic dolomites and evaporites became prevalent during the Carnian‐Norian. Isopach and facies maps for these sequences show that the Triassic sediments of Jordan were deposited in a set of environments which range from fluviatile‐deltaic for the coarse‐grained clastics; to restricted shelf lagoons and tidal‐flat settings for the finegrained clastics; to a shallow carbonate shelf for the fossiliferous carbonates; and restricted shelf lagoons, sabkhas and salinas for the carbonate‐evaporite sequence.