6 Questions
Qual es un characteristica distinctive de pegmatite?
Es un rocca phaneritic (a grana grosse) intrusive/plutonic felsic con fluorite
Qual typo de rocca es andesite?
Aphanitic extrusive/volcanic intermedie
Qual typo de rocca es porphyritic rhyolite?
Un rocca porphyritic (fin/grosse grana) intrusive/plutonic & extrusive/volcanic felsic
Qual rocca es phaneritic (a grana grosse), intrusive/plutonic, e de composition mafic?
Gabbro
Qual es un caracteristica de obsidian?
Es un rocca glassy formate per contacto con magma
Qual rocca es vesicular e extrusive/pyroclastic de composition mafic?
Scoria
Test your knowledge on the classification of igneous rocks like andesite, granite, pegmatite, and rhyolite based on their texture, mineral composition, and formation process.
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