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PENETRATIVE MAGMATISM [1 record]

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Record 1 2011-01-26

English

Subject field(s)
  • Vulcanology and Seismology
CONT

Another thermal force that can induce rifting is from more acute magmatism that penetrates towards the surface. Penetrative magmatism produces uplift at the surface in about 20 Ma, whereas thermal isostasy is a broader, slower process taking about 100 Ma to uplift the surface ... Thermal isostasy lags in time because rock is a poor conductor of heat, and penetrative magmatism fractures and heats the surrounding material rapidly.

CONT

Remnants of the mountains formed during subduction before the collision may be preserved in the central part of the belt, but after intense metamorphism and pervasive magmatism, their original nature may be hard to reconstruct.

OBS

pervasive magmatism: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Volcanologie et sismologie
OBS

magmatisme pénétratif : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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