Visible quartz and potassium feldspar grains are the main constituents in a gran

Question

Visible quartz and potassium feldspar grains are the main constituents in a granite grabbro basalt rhyolite Which of the following igneous rocks has a pyroclastic texture? Rhyolitic tuff porphyritic basalt intrusive granite andesitic lava is a volcanic rock that is extremely vesicular and glassy. Obsidian Pegmatite Tuff Pumice is composed mainly of ferromagnesian minerals. Peridotite Rhyolite Andesite Granite Which of the following minerals crystallized in Bowen's reaction series? biotite quartz olivine muscovite

Explanation / Answer

15) granite

granite is an intrusive felsic igneous rock, with essential minerals like quartz and felspars and accessory minerals like biotite and garnets and zircons

16) rhyolitic tuff

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