Download 3 Types of Rocks – PowerPoint Igneous Rocks are formed by: They

3 Types of Rocks – PowerPoint
Igneous Rocks are formed by:
They form as a result of:
Where are they commonly found?
4 Different texture classifications
What does crystal size tell us?
Glassy –
Aphantic –
Phaneritic –
Poryphyritic –
Dark igneous rocks form from _________________ or ____________ _____________.
Mafic refers to:
How hot is the magma?
Texture when hot?
Light colored igneous rocks are formed form ______________ or ________________ magmas.
How hot is this magma?
Texture when hot?
Igneous rock formations include:
Igneous rock examples:
Sedimentary rocks are formed:
What traits do the areas have?
Likely to form in these areas:
2 Groups:
Clastic are made of ____________ of other ______________ that have been
______________________ or ___________________.
How are they grouped?
Mudrock has
Sandstone has
Conglomerates have
Biochemical rocks form from
Chemical precipitates form in
What conditions show sedimentary rock formation?
Sedimentary rocks examples:
Metamorphic rocks are formed by _________ and __________________.
Where do they form?
Contact metamorphism is the process where
Regional metamorphism occurs at plate subduction zones and in deep mountain
roots as pressure ________________ and heat ________________.
2 major groups:
Foliated rocks form when:
They have ______________ or ______________ where they can easily break.
Nonfoliated rocks formed when:
Structures commonly found in metamorphic formations:
Metamorphic rock examples: