Abstract
Uplift of the Himalayas began at the end of the Mesozoic and has continued until recent times. Tertiary sediments accumulated in a trough along the southern mountain border in what was once the western extension of the Tethys. These sediments are marine at the base, followed by transition beds and a vast thickness of continental deposits. The Salt Range was initiated by an overthrust at the close of the Eocene. At the end of the Tertiary the sediment-filled trough was uplifted and greatly deformed and compressed. This was followed by very rapid peneplanation. Uplift of the Salt Range in Pleistocene times, probably accompanied by igneous intrusion, produced ponded conditions between it and the Himalayas. Important modification of the main drain age lines was produced when this barrier was cut through. Recent deformation in the Salt Range and along the Himalayas has resulted in folding and faulting of the Pleistocene sediments.
Published Version
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