Abstract

In the Katawaz basin, Pakistan, the deltaic and turbidite facies of the Khojak Formation are the Paleogene analogue of the modern Indus River emptying into the Arabian Sea to form the Indus delta-fan system. Facies identified include upper continental slope to prodelta, distal to proximal distributary mouth bar, distributary channel, interdistributary bay, estuary, fluvial channel, natural levee, and flood plains of lower and upper delta plains. The proposed model is a fluvial-dominated, wave-modified delta that axially fed Khojak submarine-fan turbidites, exposed in the southwestern part of the basin. These sediments were eroded from the early Himalayan orogenic highlands and transported southwestward down the axis of the Katawaz remnant ocean basin.

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