Young girls in the Ohio Valley will get a hands-on introduction to geology, paleontology and archaeology this summer through ...

Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. Let me start by defending geology’s honor. Is there any other discipline that a rhyme so easily ...

An introduction to geology -- Plate tectonics: a scientific revolution unfolds -- Matter and minerals -- Magma, igneous rocks, and intrusive activity -- Volcanoes and volcanic hazards -- Weathering ...

IT is always well to keep in touch with the methods and conclusions of workers in other countries; and in a general way this can only be done by text-books. In this respect the present work will be ...