Understanding Rock Types and Geological Features

What are the three main types of rocks?

• Sedimentary, Igneous, Metamorphic

• Granite, Marble, Slate

• Sandstone, Limestone, Shale

• Basalt, Pumice, Gneiss

How are sedimentary rocks formed?

• From magma cooling

• From high heat and pressure

• From erosion and deposition

• From volcanic eruptions

What is a key characteristic of igneous rocks?

• Formed under high pressure

• Formed from organic material

• Formed from erosion

• Formed from cooled magma or lava

Which rock type is known for having layers and bands?

• Sandstone

• Pumice

• Granite

• Gneiss

What causes ripple marks in sedimentary rocks?

• Wind or water movement

• Volcanic activity

• Chemical reactions

• Tectonic plate shifts

What process transforms a rock into a metamorphic rock?

• Melting and solidifying

• Cooling and solidification

• Compaction and cementation

• High heat or pressure

Which type of rock is formed from volcanic activity?

• Metamorphic

• Igneous

• Mineral

• Sedimentary

What is limestone primarily made of?

• Quartz

• Iron oxide

• Calcium carbonate

• Silica

Where can tectonic plates be found?

• In the Earth's core

• On the Earth's surface

• In the Earth's mantle

• Below the Earth's crust

What is the main component of sandstone?

• Calcium

• Clay

• Pumice

• Sand