The Mid-Oceanic Ridges: Mountains Below Sea Level

Over the past 20 years, geologists have come to realize that the real object of their studies is the Earth, and that their favorite subjects, whether basalts, earthquakes, or the Tibetan plateau (for example) are only the means to understanding the Earth itself as a complete entity. Geology has thus acquired aglobai perspective. The study of any particular regional problem is only of general interest in providing good foundations to investigate general phe­ nomena. But this same particular ...