Jezreel Valley Regional Project Archaeology and History of a Regional Landscape

Geology

Geologically speaking, the Jezreel Valley is a graben (essentially a valley created by parallel faults) formed in the Early Pliocene, with a bed of flat morphology consisting of alluvium to a considerable depth (cf. Horowitz 1979, 17). The predominantly alluvial (and partly colluvial) sediment of the valley is dark, heavy and rich in organic matter, which is due to the swamps that existed there until the modern era, and this sediment results in fertile soils that hold water well (Orni and Efrat 1964, 81). Due to excess water in certain areas, the sediments may be hydromorphic or hal-hydromorphic (Horowitz 1979, 26). The Qishon Stream runs diagonally (southeast to northwest) through the valley from its source on Mount Gilboa through the gap of the Zebulon Valley unto its mouth in the Haifa Bay.

 

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