Minerals
what are minerals?
minerals are solid substances.
how are igneous rocks form?
when melted rock cools.
what are sedimentary rocks composed of ?
Clastic sedimentary rocks are made up of pieces of pre-existing rocks
what can a metamorphic rock form from?
shale, clay or mudstone.
Where are minerals found in?
They can be found in different types of rocks.
how many of igneous rocks are there?
Why must water evaporate for sedimentary rock to form?
so they can be formed
How many types of metamorphic rocks are there.
two
why do minerals have different shapes?
Due to the type of minerals.
What is another way igneous rocks formed?
igneous rocks can also form when magma cools and crystallizes into a rock formation.
what are the two textures of sedimentary rocks?
clastic and non-clastic.
What are the 3 main types of metamorphic rocks?
Contact, Regional, and Dynamic metamorphism.
Why do some minerals have the same color?
Because when the light hits the minerals it affects certain wavelengths.
what part of earth is igneous rocks mostly made of?
the earths crust.
What is a sedimentary rock composed of angular gravel is called ?
breccia.
how do the metamorphic rocks reach the surface?
when forces in the earth lift them up and weathering wears away the rocks.
Can minerals sparkle if so why?
what is one example of ingueous rocks?
Granite.
What is a sedimentary rock composed of rounded gravel is called ?
conglomerate.
where do metamorphic rocks typically form from?
deep in the planet's crust