Its close relatives, in the Tertiary rocks, are rather rare.

Its remains are also found in Tertiary rocks.

The silver deposits are replacement veins in Tertiary volcanic rocks.

A few other fossil species of Rhus are known from the Tertiary rocks.

The oldest Tertiary rocks contained archaic mammals that bore no resemblance to the living families within the class.

They are common in sedimentary Tertiary rocks in the Caribbean region.

The Flysch Belt also contains a small volume of tertiary volcanic rocks.

The hills are late tertiary volcanic rocks.

The upper tertiary rocks are exposed towards the base of the Shiwalik range and hard sandstone units form broad ridges.

In Surguja Bauxite deposit have been found in tertiary rocks.