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In practical terms, geology is important for mineral and hydrocarbon exploration and exploitation, evaluating water resources, understanding of natural hazards, the remediation of environmental problems, and providing insights into past climate change.
Geology is a major academic discipline, and it plays an important role in geotechnical engineering.
The remnants of this plate on the surface of the Earth are the Juan de Fuca Plate and Explorer Plate, both in the northwestern United States and southwestern Canada, and the Cocos Plate on the west coast of Mexico.
Transform boundaries, such as the San Andreas Fault system, resulted in widespread powerful earthquakes.
) is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.
Geologists use a wide variety of methods to understand the Earth's structure and evolution, including field work, rock description, geophysical techniques, chemical analysis, physical experiments, and numerical modelling.This theory is supported by several types of observations, including seafloor spreading and the global distribution of mountain terrain and seismicity.There is an intimate coupling between the movement of the plates on the surface and the convection of the mantle (that is, the heat transfer caused by bulk movement of molecules within fluids).Each mineral has distinct physical properties, and there are many tests to determine each of them.
The specimens can be tested for: This study is often known as Quaternary geology, after the Quaternary period of geologic history.
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