More rarely lavas are completely fused at the moment of ejection; they may then cool to form a non-porphyritic, finely crystalline rock, or if more rapidly chilled may in large part be non-crystalline or glassy ( vitreous rocks such as obsidian, tachylyte, pitchstone ).
How to say vitreous rock in Hindi and what is the meaning of vitreous rock in Hindi? vitreous rock Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
Mobile