EM & P Lesson 07 and 09

Volcanism is ....

• Endogenetic process

• Extraterrestrial process

• Exogenetic process

• Erosional process

Most of the volcanoes are distributed along plate boundaries

• True

• False

Granite type magma is

• Ultramafic in composition

• Mafic in composition

• Intermediate in composition

• Felsic in composition

What is the type of explosion?

• Vulcanian

• Plinian

• Pelean

• Strombolian

Ah Ah Lava contains much entrapped gas spreads out in thin sheets. It typically exhibits a wrinkled, twisted, ropy and tapestry-like surface. Its most distinguishing feature is a smooth, glistening skin

• True

• False

Basaltic lava ....

• is more viscous

• is flow rapidly

• has more silica

• is mafic in composition

What is the type of the volcano?

• Basalt cones

• Shield volcanoes

• Strato-volcanoes

• Cinder cones

This image shows .....

• Reverse fault

• Normal fault

• Strike-slip fault

• Transform fault

Focus of the point on the earth surface directly above the focus of an earthquake

• True

• False

Which is not a body wave?

• P wave

• S wave

• Love wave

• None is correct