Magmatic foliation

Magmatic foliation is a term in geology, for foliation in granitoids that form by magmatic flow, "submagmatic flow," by high-temperature solid-state deformation and moderate- to low-temperature solid-state deformation.

[1] Remember, granitoids are igneous rocks.

[2][3]

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Metaharzburgite from the Rebière Massif , Saint-Martin-de-Fressengeas , Dordogne, France . The nearly upright magmatic (slightly South dipping) flow foliation parallels the hammer shaft.