Question

What is intrusive lanform and ten examples of intrusive lanform

Answer 1

Introduction

Volcanic landforms are divided into extrusive and intrusive landforms based on weather magma cools within the crust or above the crust.

Intrusive landforms are formed when magma cools within the crust and the rocks are known as Plutonic rocks or intrusive igneous rocks.

● Batholiths - Wicklow mountains of Ireland; the uplands of Brittany, France.

● Laccoliths - The laccoliths of Henry mountains in Utah, USA.

● Lopolith - The Bushveld lopolith of Transvaal, South Africa

● Phacolith - Corndon hill in Shropshire, England

● Sills - Great whin sill of North East England

● Dykes - Cleveland Dyke of Yorkshire, England