They are rocks formed from the crytallization of magma.
What is a igneous rock?
100
The rock cycle is a set of process whereby rocks continuously change into other rock types.
What is the rock cycle?
100
The provide information about surface conditions that existed in earths past.
What is the information geologists provide about sedimentary rocks?
100
Sedimentary rock
I am sediments that are lithified into rock by the processes of compaction and cementation, what am i?
100
A mineral
What is a naturally occuring, inorganic soild with a specific chemical compostion and a definite crystalline structure.?
200
Extrusive is fine grained igneous rocks that cool quickley on earths surface.
Intrusive is coarsed grained igneous rocks that cool slowley beneath earths surface.
What is the diffrence between extrusive and intrusive?
200
Regional, contact, and hydrothermal.
What is the 3 main types of metamorhism?
200
They are classified by partical size and shape.
what are sedimentary rocks classified by?
200
Deposition
I am sediments that are laid down on the ground to sink to the botton of bodies of water, what am i?
200
Luster
What is the way that a mineral reflects light from its surface
300
Felsic is rocks such as granite are light colored, have high silica contents and contain quartz and feldspar orthoclase and plagioclase.
What is Felsic?
300
metamorphic rock is formed when existing rocks are subjected to high tempatures and pressure, which cause changes in the rocks tectures, mineralogy, and compostion.
What is metamorhic rock?
300
Clastic; which are formed from clastic sediments.
What is one of the main classes of sedimentary rocks?
300
Erosion
I am the 4 main agents of __________
Hint: wind, moving, water, and gravity, and glaciers.
300
Its the process whereby some minerals melt at low tempatures while other minerals remain soild.
What is partical melting?
400
Well shaped crystals are early forming.
Irregular crystals are late forming.
What is the differnce between well shaped crystals, and irregular shapes?
400
1. Foliated
2. Non Foliated
What is the 2 gropus methamorphic rocks are divided into?
400
Erosion, depostition, burial, and lithification
What is the process of sedimentary rocks?
400
I am Sediments.
I am pieces of soild material that have been deposited on earths surface by wind, water, ice, gravity, or chemical precipaition.
400
the rich in calcuim
What is the first feldspar to form when magma cools?
500
maga is a slushy mix of molten rock, gases, and mineral crystals.
What is magma?
500
when very hot water reacts with rock and alters its chemistry and mineralogy
What is hydrothermal metamorphism?
500
Chemical; which are formed from minerals and precipitation from water.
What is another main classes of sedimentary rocks?
500
I am Cementation.
I am, occuring when a mineral growth cements sediment grains together into soild rock.