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Quiz on minerals
Get out you ESRT and a piece of paperThe following questions are from your
ESRT.You’ll have a minute per question…
Question 1
What is a minerals?– Name three things mineral must have to be a
mineral.
Question 2
What is a mineral that is nonmetallic, flexible in thin sheets, is black and has cleavage?
Question 3
What is the chemical composition of olivine?
Question 4
What controls a minerals property?
Answers
What is a minerals?– Solid, inorganic, naturally occurring
Nonmetallic, flexible in thin sheets – Biotite
What is the chemical composition of olivine– (Fe,Mg)2 SiO4
What controls a minerals property?– IAOA
Rocks & Minerals
The Building Blocks of society
Igneous Rocks
Made from Magma and Lava
Igneous rocks
How are igneous rocks formed?
What do igneous rocks look like?
What do the characteristics tell us about the rock?
What are igneous rocks used for?
How do you use page 6 of the ESRT for Igneous rocks?
How are igneous rocksformed?
Extrusive or volcanic - lava on the earth’s surface
Intrusive or plutonic - inside the earth’s crust, magma chambers
What do igneous rocks look like?
Vesicular = gas bubbles (extrusive)
OrNonvesicular =
no gas bubbles
What do igneous rocks look like?
Felsic light in color and density, rich in aluminum (continental crust)
or Mafic dark in color
and high in density, rich in iron and magnesium (ocean crust)
What do igneous rocks look like?
Texture can be glassy, fine grained, coarse grained, or very coarse grained
What do the characteristics tell us about the rock?
Cooled slowly in the crust = large minerals
Cooled rapidly on the surface = no or very small minerals
Vesicular = very gaseous lava flow
What are igneous rocks used for?
How to use esrt page 6 - Igneous Rocks?
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