Abstract
One of the principal objectives of geophysics is to understand the constitution and evolution of the Earth. Since all but a very samll portion of the Earth is at very high pressures and temperatures, research in the behavior of materials at high pressures and temperatures plays a major role in our understanding of this subject. Our science is like putting together a jigsaw puzzle. We work with pieces that come from the geophysicists, pieces like seismic velocities, angular momentum, heat flow and geomagnetism. To these we add pieces from the experimentalists such as phase relationships, elastic properties, electrical properties, and chemical reactions at high pressures and temperatures. At first only a partial picture of the Earth’s interior existed, but as more information is added the picture becomes clearer. In this respect, our science is similar to other branches of science. Most scientific research consists of an endeavor to create a clear picture of those things that are not readily accessible because they are far away or very small or took place a long time ago or are simply located where you can’t get to them as with the Earth’s interior. Piecing together puzzles is a very human trait and it seems to be the driving force behind much of our scientific research.
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Bassett, W.A. (1979). Geophysical Applications of High Pressure Research. In: Timmerhaus, K.D., Barber, M.S. (eds) High-Pressure Science and Technology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7470-1_138
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DOI: https://doi.org/10.1007/978-1-4684-7470-1_138
Publisher Name: Springer, Boston, MA
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