earth science chapter 4
Terms
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- metamorphic rock
- A type of rock that forms from an existing rock that is changed by heat, pressure, or, chemical reactions.
- basalt
- a dark, dence, igneous rock with a fine texture; found in oceanic crust
- texture
- The look and feel of a rock's surface, determined by the size, shape, and pattern of a rock's grain
- rock-forming minerals
- The common minerals that make up most of the rocks of Earth's crust.
- granite
- a usually light-colored igneous rock that is found in continental crusts
- sedimentary rock
- a type of rock formed from layers of particles that settled to the bottom of a body of water, often containing fossils
- grains
- The particles of minerals or other rocks that give a rock its texture
- insrusive rock
- Igneous rock that forms when magma hardens beneath earth's surface.
- silica
- a material that is formed from the elements oxygen and silicon
- extrusive rock
- Igneous rock that forms from lava on earths surface.
- igneous rock
- A type of rock that forms from the cooling of molten rock at or below the surface.