Vocab
Give an example of bioclastic rock
coal
Describe how igneous rocks form.
gneous rocks are formed through the cooling and solidification of magma ( or lava).
Rocks that are made of fragments of rock cemented together by a mineral such as calcite or quartz are called
Clastic Sedimentary
Define Metamorphic rock.
rocks that change as a result of exposure to heat and pressure.
Minerals are the _____ ________ of rocks.
building blocks
The layers in rock (sedimentary rock) are called
Strata
True or False
Most of Earth's rocks contain silica.
True
Sedimentary rock is formed through the process of _________ and ____________
compactation and cementation
________ is a metamorphic rock that does not have mineral crystals aligned in planes or bands
nonfoliated
During the rock cycle, what forms when magma cools?
igneous rock
The word Igneous comes from the Latin root "Ignis" which means _________.
fire
What kind of texture does igneous rocks have when mlava cools rapidly?
Coarse-grained , or fine grained
fine grained
What is the process called when sedimentary rocks are arranged in layers?
stratification
On our Metamorphic rock chart, what happens to gneiss with more intense heat and pressure.
It turns back to liquid magma/lava
Sedimentary rocks are the only rocks that contain _____________>
fossils
A rock that has crystals smaler tha 1mm are _________.
extrusive igneous rocks
What kind of rock is formed from lava that cools on the Earth's surface?
extrusive igneous rock
True or False Most limestone forms from the remains of fossils that once lived on earth.
true
Metamorphic rocks are rocks that change as a result of exposure to ______________ and ___________________
heat and pressure
Which of the following changes rock on the Earth's surface?
erosion compaction cementation
erosion
________ is an opening in the earth's crust through which magma or gases can erupt onto the surface
Fissure
Describe how intrusive igneous rocks form?
When magma cools and solidifies inside the Earth's crust.
What do all igneous rocks begin as?
magma
The word Metamorphism comes from the Greek word "meta" meaning ________ and "morphos" meaning _______
change and shape
Sediments are transported or moved from their original source by a process called ______________________
erosion