A fine grained extrusive igneous rock.
A Metamorphic rock is weathered into pebbles which get compacted
An igneous rock that has both large and small crystals has what kind of texure?
Igneous rocks that are light in color, rich in silica make up what type of crust?
Formed when magma forces itself vertically across rock layers and hardens
An underground intrusion less than 100 km2
Mafic rocks make up which type of crust?
Igneous rocks that cool super fast, and have no crystals have what kind of texture?
Large amounts of lava come out and fill in the valleys. What is this called?
A rock that is dark in color yet light in weight is which?
Largest intrusive feature (forms the core of many Mt. ranges).
A Metamorphic rock melts into lava which cools and hardens
Light colored igneous rocks are which?
Dark colored igneous rocks are which?
A sheet of magma flows between rock layers and hardens parallel layers
An Igneous rock is recrystallized at high temperature and pressure
Rocks that are rich in Fe and Mg are which?
Igneous rocks formed underground are called
Igneous rocks that look like 'frozen pepsi foam' have what kind of texture?
A Sedimentary rock is recrystallized at high temperature and pressure
Identify the following picture:
Igneous rocks that are formed deep underground have what kind of texture?
igneous rocks that form on the surface and cool quickly have what kind of texture?
An Igneous rock is weathered into sand which gets compacted
A sedimentary rock that erodes into sediment that gets compacted and cemented
