Tset 2

Which of the following volcano is the MOST VIOLENT volcano?

Compsite volcano

Phaneritic

Visible or coarse crystal texture is also known as _________?

Which of the following Intrusive plutonic rock below is a dike?

discordant and cuts across seditmentary rocks

Which of the following below is NOT a physical weathering?

dissolution

Calderas also form when pyroclast deposits at the summit of the volcano put weight onto emptied magmatic chamber below, summit collapses and caldera forms

false

Lowering pressure requires higher temperatures to melt the mineral.

false

Mixtures of minerals melt at lower temperatures.

false

5-In which igneous rock type the amount of Na Plagioclases is NEARLY equal to Ca Plagioclases?

felisic

High energy environment is characterized by ---------------------

mud

Chose the best option below used during chemical weathering

oxygen and water

Viscosity is -------------------to flow

resistance

During transgression of the sea, the sea level will______________

rise

In a transgressive rock sequence -------------------------------

sand is covered wth mud and mud is covered with limestone

Which of the following does NOT help geologists in finding oil?

texture of magmetic rock

When magma has less water (gases) and less silica (basaltic), it will not create Pyroclasts.

true

Sedimentary rock have

two processes to form sediment the Clastic and Chemical Sediment.

Sticky, plastic and squashed hot ash and lapilli mixture forms which of the igneous rock below?

welded tuff