Wednesday, April 9, 2014

History of the Earth Part one

This part of class has kinda been kicking my but. We are going into detail about what is going on in the geologic history of the Earth (sorry Mel Brooks fans) and its getting a little confusing.

The Hadean and the Archean time spans are easy enough because not so much has happened but as soon as we get into the Proterozoic that's when a lot of things happen all at once. I have been reading the book and that has been helping. But there are mountain building events going on, opening and closing of ocean basins, life is present, the atmosphere is changing, and glaciations are happening.

It did make sense when we went over cratons and how continents were formed from the cratons.

In class we did talk about fracking and the possible ramifications with earthquakes. That was very interesting because that's the type of field that I could see myself working in.

The idea that fracking can increase the pressure inside the earth and that increase pressure builds and builds until it causes a normal or large earthquake.

But i digress, the rest of the Proterozoic is still a little confusing.

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