PROF. GRENVILLE COLE has already won himself wide repute as a writer on geological science by his book, entitled “Aids in Practical Geology” (Griffin and Co.). There Prof. Cole treated the branches of ...

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 ...

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

On an unusually warm overcast day in late March, a group of about 25 first-year University of Delaware students walked down a winding path in White Clay Creek State Park. June Hazewski, a master's ...