By: Norman Green
All rocks are aggregates of minerals, and are classified as either of igneous, sedimentary or metamorphic origin. Sedimentary rocks are formed when minerals are deposited and then accumulate to form the rock. The type and characteristic of each sedimentary rock depends upon its mineral content...
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By: Darren Owen
The geology of the earth can be a fascinating subject for people to study. Formed from the remains of other eroded rocks, sedimentary rocks have been studied ever since geology began. Only about 5% of the earth’s lithosphere is sedimentary but because they are...
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