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Andrew Alden

Geologies

By October 11, 2010

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geologic careersGeology has many flavors and many lifeways. I learned it as a pure science, and that's what I tend to focus on, but geology is really much more practical than academic. When you learn geophysics, they teach about modeling the Earth using very abstract concepts and mathematics. One of those concepts is the half-space: an infinite space on one side of a infinite plane.

The Earth's surface, in this model, is the plane and geology is involved with everything in the infinite half-space beneath that plane. Planning pipelines, tracking pollution in groundwater, laying out a mining program, scoping foundations, fixing landslides, mapping underground features, assessing the mineral potential of a piece of land are all tasks that geologists do. They can pursue any number of geologies: forensic geology, engineering geology, military geology, mining geology, environmental geology, oil & gas geology.

While it's fun and interesting and intellectually important to know about the Earth's core, things get more practically important the closer you get to the surface. Geology can be a remote, visionary field, and sure we like the mystique of being at home amid the sweep of continents in gigayears of time. But in truth, geologists are down to Earth, not buried in it. Geology is not just a good life; it's a good living.

More:
Geology careers
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The Earth's core
Geo-quiz: Geologies
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