How many groups are classified based on the presence of regularities?

The streaks or bands filling material in the rocks are called _______

Types of joint found in volcanic igneous rocks are?

What is the other name for diagonal joints?

Which jointing gives layered sedimentary structure appearance?

First step of treatment of joints is _______

Fractures along which there has been no relative displacement is called?

The nature of sedimentary rock that can undergo some irregular jointing is _______