27 April, 2003
The first day
The bags were packed, the passport was set, the gloves were matched,
all I needed was a great nights sleep. My new son must have realized
this as he decided to keep me up all night with a stomachache. The
flight to Albany, New York proved to be restful and as I arrived in
Albany I was well rested and ready to meet the rest of my team.
Geology of the North Atlantic Region
The theory of Plate tectonics states the Earth's crust is divided
into plates. The plates fit together like a jigsaw puzzle. Plate
boundaries are areas were two or more different plates come together.
Plates can slide by each other, slam into each other or pushed apart.
Running the length of the Atlantic Ocean is the Mid-Atlantic Ridge.
This plate is an area where the two plates on each side are being
pushed apart. As these plates are pushed apart magma from below the
Earth's crust fills in the area. This molten rock is considered
"new" rock and pushes apart the plates at about two centimeters per
year.
The Mid Atlantic Ridge runs directly through the middle of Iceland.
Because of this, Iceland has many volcanoes and fissures were molten
magma is released as very young rocks along the boundary. As you
move away from the boundary the rocks are older.
Unlike Iceland, Greenland is made of sedimentary rock deposited early
in Earth's history. This sedimentary rock has been affected over
history by ice, pressure, weather, and heat! The rocks are so old
that they are considered our planet's oldest rocks as 3.87 billion
years old.
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