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TECTONITA [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2016-02-11

English

Subject field(s)
  • Petrography
DEF

Any rock whose deformation history is revealed in its fabric.

OBS

The tectonites are thought to represent the residual, partially melted mantle, and their contact with the ultramafic cumulates has been interpreted as the boundary between the mantle and crust (i.e., the petrological Moho).

French

Domaine(s)
  • Pétrographie
DEF

[Roche] dont la structure intime résulte de déformations [...]

OBS

On estime que les tectonites constituent la fraction résiduelle d'une composante mantellique partiellement fondue, et leur contact avec les cumulats ultramafiques a été interprété comme la frontière entre le manteau et la croûte (c'est-à-dire le Moho selon des critères pétrologiques).

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

Roca que, como la milonita, ha sido triturada por empujes tectónicos y ha recristalizado merced a su impregnación por nuevos minerales secundarios.

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