عكاريات

العكاريات Turbidite، راسب يتكون بتيارات التعكير تتجه إلى القاع العميق وتنتشر، يتميز بتطبق متدرج، حيث يوجد راسب خشن سيء الفرز في القاعدة، يعلوه طين في القمة.

Turbidite sequence. Carboniferous Ross Sandstone Formation (Namurian), County Clare, Western Ireland (USGS image).

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 تسلسل العكاريات

Complete Bouma sequence in Devonian Sandstone (Becke-Oese, ألمانيا).

 التشكيل

Gorgoglione Flysch, Miocene, South Italy

 انظر أيضا

• Contourite
• فليش

 المصادر

• Bouma, Arnold H. (1962) Sedimentology of some Flysch deposits: A graphic approach to facies interpretation, Elsevier, Amsterdam, 168 p.

• Fairbridge, Rhodes W. (ed.) (1966) The Encyclopedia of Oceanography, Encyclopedia of earth sciences series 1, Van Nostrand Reinhold Company, New York, p. 945-946.

• Mutti, E. & Ricci Lucci, F. (1975) Turbidite facies and facies associations. In: Examples of turbidite facies and associations from selected formations of the northern Apennines. IX Int. Congress of Sedimentology, Field Trip A-11, p. 21-36.

• Normark, W.R. (1978) "Fan valleys, channels, and depositional lobes on modern submarine fans : Characters for recognition of sandy turbidite environments", American Association of Petroleum Geologists Bulletin, 62 (6), p. 912-931.

• Ødegård, Stefan (2000) Sedimentology of the Grès d'Annot Formation, Thesis: Technische Universität Clausthal, Germany. Retrieved 27 January, 2006

• Walker, R.G. (1978) "Deep-water sandstone facies and ancient submarine fans: model for exploration for stratigraphic traps", American Association of Petroleum Geologists Bulletin, 62 (6), p. 932-966.

 قراءات للإستزادة

• Arnold H. Bouma, Charles G. Stone, ed. (2000). Fine-Grained Turbidite Systems. American Association of Petroleum Geologists. ISBN 978-0-89181-353-8.
• S. A. Lomas, P. Joseph, ed. (2004). Confined Turbidite Systems. Geological Society of London. ISBN 978-1-86239-149-9.

 وصلات خارجية

• Turbidite sedimentary processes in carbonates, Trenton Formation.