Twinning Definition
Twinning is the observed intergrowth of multiple crystals in a symmetrical fashion. This term applies to the examination of rock thin sections, in the field of optical mineralogy.
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Seismic Risk Definition
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Leaking Underground Storage Tank (LUST)
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Alquist-Priolo Earthquake Fault Zoning Act
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Wing Dam or Wing Dike Definition
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Epicenter
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