Paleozoic • Permian

Tobra Formation

Early Permian (Asselian-Sakmarian)

Stratigraphic position

In the Salt Range column

SandstoneLimestoneMixedFossils recordedConformable

Band colour = period; texture = dominant rock type. Lines between bands mark the contact type. True scale makes height ∝ recorded thickness; hatched = thickness not recorded. Ages approximate, for ordering.

This unit (highlighted) within its province column; faded ends continue above and below. Line style marks the contact type.

Named after Tobra Nala in Salt Range. Glaciogenic deposits from the Late Paleozoic (Gondwanan) glaciation. Contains striated boulders and dropstones. Part of the Nilawahan Group.

Significance. Records Gondwanan glaciation; crucial for paleoclimatic studies and continental drift evidence

Lithology: Tillite, diamictite, boulder beds with striated clasts
Thickness: 30-150 m
Type locality: Tobra Nala, Salt Range

Fossils

Rare marine fauna in interbeds

Provinces

Salt Range Kohat Basin Potwar Basin

Related units

Below · older

Baghanwala Formation

Cambrian

Above · younger

Warcha Formation

Permian