In geology, the term exhumation refers to the process by which a parcel of rock (that was formerly buried), approaches Earth's surface. It differs from the related ideas of rock uplift and surface uplift in that it is explicitly measured relative to the surface of the Earth, rather than with reference to some absolute reference frame, such as the Earth's geoid. Notably, there are overlapping characteristics between the different modes of burial and exhumation and distinction and between them relies on a series of parameters such as:
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| - Exhumation (geology) (en)
- Exhumation (géologie) (fr)
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| - En géologie, l’exhumation est le terme scientifique désignant la remontée des roches vers la surface, par tectonique ou rééquilibrage isostatique lié aux processus de dénudation (exhumation tectonique)/érosion. Une roche exhumée est une roche qui était en profondeur et qui se trouve à la surface de la lithosphère. Il est à noter que la surface au sens géologique peut être le fond marin. (fr)
- In geology, the term exhumation refers to the process by which a parcel of rock (that was formerly buried), approaches Earth's surface. It differs from the related ideas of rock uplift and surface uplift in that it is explicitly measured relative to the surface of the Earth, rather than with reference to some absolute reference frame, such as the Earth's geoid. Notably, there are overlapping characteristics between the different modes of burial and exhumation and distinction and between them relies on a series of parameters such as: (en)
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| - In geology, the term exhumation refers to the process by which a parcel of rock (that was formerly buried), approaches Earth's surface. It differs from the related ideas of rock uplift and surface uplift in that it is explicitly measured relative to the surface of the Earth, rather than with reference to some absolute reference frame, such as the Earth's geoid. Exhumation of buried rocks should be considered as two different categories namely, exhumation by denudation/erosion or exhumation by tectonic processes followed by erosion. In the latter case, rocks (or rock packages) from deeper crustal levels (meter to kilometer depths below the Earth's surface) are brought towards the Earth's surface (i.e.shallower crustal levels) by crustal thickening (see compared also tectonic uplift) and/or extensional tectonics and are subsequently exposed by erosion. Often exhumation involves a complex interaction between crustal thickening, extensional tectonics and erosion. Notably, there are overlapping characteristics between the different modes of burial and exhumation and distinction and between them relies on a series of parameters such as:
* The spatial and temporal distribution of the finite strain pattern
* The metamorphic field gradient
* The spatial distribution of cooling ages (see for example radiometric dating of hornblende)
* The spatial distribution of metamorphic pressure-temperature-time (P-T-t) paths Detailed and integrated geologic modelling, structural geology, geochronology and metamorphic geological disciplines are key to understanding these processes. (en)
- En géologie, l’exhumation est le terme scientifique désignant la remontée des roches vers la surface, par tectonique ou rééquilibrage isostatique lié aux processus de dénudation (exhumation tectonique)/érosion. Une roche exhumée est une roche qui était en profondeur et qui se trouve à la surface de la lithosphère. Il est à noter que la surface au sens géologique peut être le fond marin. (fr)
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