File:Holmquist & Sederholm interpretations of migmatite.png

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current19:47, 22 September 2019Thumbnail for version as of 19:47, 22 September 2019843 × 598 (150 KB)commons>Geologician{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en| Sederholm (1907) called the migmatite-forming process palingenesis, and although it specifically included partial melting and dissolution, he also regarded magma injection and its associated veined and brecciated rocks as fundamental to the process. Holmquist (1916). found high-grade gneisses that contain many small patches and veins of granitic material. As there were no granites nearby, he interpreted the patches...

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