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Tutorials

There are a selection of geology tutorials from introductory to advanced levels covering a range of topics which together form a free online textbook.

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Below is the abstract of an example tutorial.

Introduction to Sedimentology

Sedimentary rocks are made by the accumulation of particles of older rocks, either as clasts (chunks of rocks) or as mineral grains, chemically or biogenically precipitated. Clastic sedimentary rocks are principally classified on the basis of grain size and then further divided in terms of mineralogy. One of the most important things sedimentary rocks can tell us about is palaeoenvironments - ancient environments. This is done by looking at the sedimentary structures and the fossils contained within the rocks.

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