Earth Structure
The outermost layer of the Earth
What is the crust?
The process which breaks down rocks to create sediments
What is weathering?
Magma once it has reached Earth's surface
What is lava?
Large rocks made from particles of smaller rock
What are sedimentary rocks?
A type of rock which has been transformed
What is a metamorphic rock?
The thickest layer of the Earth
The movement of sediments
What is erosion?
The molten material that makes up the mantle
Made from materials once part of a living organism
What are organic sedimentary rocks?
The smallest type of metamorphism
What is contact metamorphism?
The layer of the Earth including the crust and upper mantle
What is the lithosphere?
Laying down of sediments after they have been moved
Igneous rocks which form on the surface of the Earth
What are extrusive igneous rocks?
Made of older pieces of rock that have been eroded and deposited
Changes in rock caused by large amounts of heat and/or pressure
What is regional metamorphism?
Large slabs of rock which oceans and continents lie on
What are tectonic plates?
What is deposition?
Igneous rocks which form below the Earth's surface
What are intrusive igneous rocks?
Organic or clastic: Sandstone
What is clastic?
Rock with clearly visible layers
What is a foliated rock?
The two types of crust
What are oceanic and continental crust?
The three types of weathering
What is mechanical (physical), chemical, and biological
Igneous rocks with barely visible crystals
What are extrusive igneous rocks?
Organic or clastic: Limestone
What is organic?
Rocks with randomly arranged minerals
What are non-foliated rocks?