Glassy Igneous Rocks Form When Magma Cools Too Fast for Mineral

Q97: Rock salt and rock gypsum are common

Q98: Which one of the following is not

Q99: Obsidian exhibits a _ texture.<br>A)fine-grained<br>B)glassy<br>C)coarse-grained<br>D)porphyritic

Q100: The particles in breccia are primarily silt

Q101: Igneous rocks are classified on the basis

Q103: A porphyritic texture where large crystals are

Q104: Confining pressure is where _.<br>A)forces are applied

Q105: Compaction would probably be most significant as

Q106: Most of the energy and mineral resources

Q107: In general,recrystallization tends to produce larger crystals.