Q. Which among the following pairs of Mud is/are correctly matched?

1. Green Mud - It contains 35% of calcium carbonate.
2. Blue Mud - It includes the materials derived through the disintegration of rocks rich in Iron Sulphide and organic elements.
3. Red Mud - The sediments derived through the communition of rocks rich in iron oxides from red mud.

Select the correct code from the options given below:
Answer: Only 2 & 3
Notes: Murray has divided mud into 3 types on the basis of colour:
Red Mud - The reddish colour is mainly due to dominance of iron content.
Blue Mud -It contains 35% of calcium carbonate. It includes the materials derived through the disintegration of rocks rich in Iron Sulphide and organic elements.
Green Mud - formed due to chemical weathering wherein the colour of blue mud is changed to green mud due to reaction of sea water.