Architecture and Sedimentary Fill of Miocene Paleovalley in the Hodna Basin – Definition of a New Play Type, Algeria

P241 ARCHITECTURE AND SEDIMENTARY FILL OF MIOCENE PALEOVALLEY IN THE HODNA BASIN: DEFINITION OF A NEW PLAY TYPE (ALGERIA) Key words: Maghrebides Algeria Foreland Paleovalley Fill Miocene Seismic Exploration. L.H. KHEIDRI SONATRACH/EXP. Boumerdes. Algeria The South Tellian foreland Basin is located in the Maghrebides outer areas. It has evolved from the end Burdigalian to the Pliocene. The South Tellian Basin present a sedimentary fill which is characterised essentially by alluvial deposits. The south-eastern border of the basin consist mainly of Mesozoic shaly-carbonates and was affected by NE-SW folding. These deposits are unconformably overlain by Neogene shaly-sandstones which show less intense