If someone can interest you in rocks like the layers of a cake, then its a geologist who will let you feel the thrill of his findings as he joins the dots. He gets us conversant in using stratigraphy of looking at the layer changes in the rocks.
The story under Rome is no less riveting than the many on/of it.
Now a geologist is not going to leave you without rubbing off a thing or two about his subject - potassium argon dating. Other than this method, geologists have also used fossils and microfossils.
Can you believe that Earth's magnetic field is reversing from time to time? Not once or twice, if you look at the changes of magnetic polarity, it looks like a bar code. You can study these things if you become a paleomagnetist.
Lie water cycle, there's a rock cycle with sedimentary on the surface rocks are bedded deep into earth to become metamorphic rocks which later emerge as volcanic rocks. Then part of the water cycle erodes these rocks to form sedimentary rocks.
Dec 18, 2009
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