Pick the type of sedimentary not belonging to chemically formed rocks.

Which rock is also called secondary rock?

Marble is composed of which mineral?

A sill is not considered to be a sill when two or more injections of different types of magma are involved.

What is the grain size of volcanic rocks?

Which structure has lens-like shaped structure?

A civil engineer has to deal with which rock in the majority of cases?

Syenites belong to which mode of occurrence?