Electrical conductivity is a parameter which characterizes composition and physical state of the Earth's interior. Studies of the state equations of solids at h

This multi-author book has been prepared by an international group of geoscientists that have been active in rift research since the late 1960s. In 1984, an inf

As a slag heap, the result of strip mining, creeps closer to his house in the Ohio hills, fifteen-year-old M. C. is torn between trying to get his family away a