Transcript Rocks and Minerals

Stephanie G.
Quartz are common.
Platinum, silver
and gold are all
rare and
valuable.
A kind of quartz.
Fast Fact
Did you know that in about
3 miles in the earths crust
you can find rocks.
Feldspars=pink
and white
Granite is a mineral and is useful to make countertops.
In some granite you can see the minerals from eye.
They are also useful to collect.
Quartz
= Gray
Mica =
black
Rocks that are formed by
volcanic activity are in to
groups. Plyroclastic rocks
and acid and solid rocks.
Means fire-broken an apt name for rocks
that consist of rock and lava pieces that
were shattered apart by exploding gases.
A fact about rocks
jumbled pieces
are that a force of
exspoltion may
cause rocks to
fragments.!
A plyroclastic rock.
Runny lavas are
basically fastflowing and
spread out
quickly to spread
vast areas.
Multi- colored basalt
sparkling points in this
basalt include green
olivine and black
pyroxene crystals.
Sedimentray rocks are when rocks and
minerals are eroded and then beated
down to smaller rocks and minerals.
The sediment may eventually be
carried to a new site often at a sea or
river. Usually, the particles will form to
new rocks, known as sediments.
The Grand Canyon
was formed my
erosion using red
sandstone and
limestone.
Believe it or not
chalk is made out
of limestone.
Marble is a
metamorphosed
limestone made of a
variety of other
rocks. Marble has
been used for
sculpting practically
Greek gods.
Art work in
Taj Mahal
Believe it or not the
Taj Mahal is made out
of assorted marble.
Every year about 19,000
meteorites each weighing
about 4 oz. fall on the earth
and mostly fall in seas or
dessert. They are
meteorites that survive their
fall from space.
1. The Nakhla Stone
2. The Barwell meteorite
3. The Murchison meteorite
The Murchison
meteorite feel in
Astralia in 1969. This
is a sediment of it.