METAMORPHIC Meaning and
Definition
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Metamorphic refers to a geological process or rock type that has undergone a transformation or change in its physical structure and mineral composition due to high temperatures, pressure, or both. Derived from the Greek roots "meta," meaning "change," and "morphe," meaning "form," the term encapsulates the concept of a complete alteration in a rock's appearance and properties.
Metamorphism typically occurs deep within the Earth's crust, where intense heat and pressure lead to the recrystallization of existing minerals or the formation of new ones. This process can result in unique textures, patterns, and distinct layers within the rock. Metamorphic rocks often exhibit veining, banding, and foliation (parallel alignment of minerals), distinguishing them from their original state or other rock types.
The characteristics and classification of metamorphic rocks depend on factors such as the intensity and duration of heat and pressure, as well as the types of minerals present initially. Common examples of metamorphic rocks include marble, which forms from limestone, and slate, which is derived from shale. Other metamorphic rocks include quartzite, gneiss, schist, and amphibolite.
Metamorphic processes are crucial in geology as they provide insights into Earth's history, tectonic activity, and the rock cycle. Additionally, metamorphic rocks can possess unique physical properties that make them valuable in construction, sculpture, and ornamentation. By understanding the intricate changes that occur during metamorphism, scientists can unravel the dynamic nature of the Earth's geology and better comprehend its past and present.
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Pert. to the changes in the earth's strata since their first deposition, by some external or internal agency; applied to the power or force causing the change; a transforming.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of METAMORPHIC
The word "metamorphic" originates from the Greek roots "meta-" meaning "change" or "beyond" and "morphe" meaning "form" or "shape". These roots combine to form "metamorphosis", which refers to a profound or dramatic change in form or structure. "Metamorphic" is derived from this concept of transformation or change, specifically referring to the process by which rocks undergo significant alterations in mineralogy, texture, or chemical composition due to intense heat, pressure, or chemical activity within the Earth's crust.
Similar spelling words for METAMORPHIC
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