India : Location, Geologial Structure and Physiography-Il (Updated) — Social Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9Social ScienceIndia : Location, Geologial Structure and Physiography-Il (Updated)2 Marks
Question
State the major types of rocks.
✓
Answer
A composite matter made of one or more elements is called 'Rock' (According to Geologists, all solid matter on the crust of the earth is a 'Rock Rocks have a very solid form and it may be very soft as well. Rocks can be porous or non-porous and can be heavy or light in weight. Different types of rocks are formed due to different processes. Generally the rocks do not have a specific chemical composition. Mostly these are composed of more than one mineral. On the basts of their formation process, rocks can be divided into three categories. These are: (1) Igneous Rocks (2) Stratified or Depositional Rocks (3) Metamorphic Rocks
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.