Kristel What is a scientist ?. Kristel Why studying geology ? Tsunami Volcanoes Earthquake Mountains...
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Transcript of Kristel What is a scientist ?. Kristel Why studying geology ? Tsunami Volcanoes Earthquake Mountains...
kristel
What is a scientist ?
Kristel
Why studying geology ?Tsunami
Volcanoes Earthquake
Mountains Building
Kristel
What is it ?
Kristel
What is it ?
An Ammonite !
Kristel
Why in a rock ?
Kristel
Why in a rock ?
Because it’s a FOSSIL !
Kristel
Why in a rock ?
Because it’s a FOSSIL !
A what ?
Kristel
Why in a rock ?
Because it’s a FOSSIL !
A what ?The remains of a long-dead animal or plant !
Examples of other fossils
Kristel
Where did we find the ammonite?In the sea ? Desert ?
Mountains ?Mars ?
Kristel
In the Himalayas !
So, how did we find an ammonite on top of the Himalayas?
So, how did we find an ammonite on top of the Himalayas?
Marion
How long does it take?
Photo/carte de l’himalaya
ammonites
If the Earth was
one year old
instead of 4.5
billion years,
humans would
have appeared on
Earth the last
hour of December
the 31st !
kristel
Could we find another kind of rocks?
Igneous rocks Sedimentary rocks Metamorphic rocks
Sediments are squashed together
Molten rock that has cooled and hardened
Squeezed and heated rocks deep underground
Where ?Igneous rocks Sedimentary rocks Metamorphic rocks
Grand Canyon Serpentinite in SFGranite in Joshua Tree
Marion
Where are the volcanoes ?
Pacific Ocean
Atlantic Ocean
IndianOcean
Asia
N. America
S. America
Australia
Europe
Africa
Antartica
Marion
Subduction volcanoes
Marion
Marion
VolcanoesCrater
Lavas flows
Lavas flows
Ash
Marion
Explosive Volcanoes
17th May 1980 Eruption of Mont St Helens
Mont St Helens before eruption
Mont St Helens after eruption