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?