What is a mineral?
How are sedimentary rocks named?
according to size and type of fragments they contain
What are some common mineral resources?
granite, limestone, marble, sand, gravel, gypsum, iron, and copper
cooling magma below ground and cooling lava above ground both form ________
What are igneous rocks?
What are 2 types of sedimentary rocks?
quartz and calcite
Where is intrusive igneous rock formed?
underneath earth's surface
when sediments are compacted or are cemented together by new minerals
What are sedimentary rocks?
How long does it take to form sedimentary rocks?
it is gradual and may take up to a million years to occur
Where is extrusive igneous rock formed?
when large changes of temperature, pressure, or both cause the texture and mineral content of existing rock to change over millions of years, _________ forms
What are metamorphic rocks?
What might sedimentary rocks from that came from plants and animals?
the remains of fossils
Metamorphic rock can melt and form _______?
magma
a series of processes, in which rocks change from one type to another, is called _________
What is the rock cycle?
When layer upon layer of plant material is buried, compacted, and exposed to the higher temperatures and pressures beneath Earth surface, its atoms rearrange. Over millions of years,what might this process form?
coal
___________ can change metamorphic rock into sediments that will become sedimentary rock
weathering