Mafic Rocks Have Silica Contents of ________ and Are Mainly

Q39: Pyroxene, hornblende, and biotite are all minerals

Q40: The molten portion of magmas and lavas

Q41: Match the description with the appropriate texture.<br>-_

Q42: The phaneritic equivalent of basalt is<br>A)gabbro<br>B)granite<br>C)diorite<br>D)peridotite

Q44: Which of the following igneous rocks exhibit

Q46: Melting of rocks to form magma as

Q47: The size, shape, and geometric arrangement of

Q48: What is/are thought to be the main

Q49: _ is composed mainly of ferromagnesian minerals.<br>A)Peridotite<br>B)Rhyolite<br>C)Andesite<br>D)Granite

Q50: The aphanitic equivalent of granite is<br>A)rhyolite<br>B)andesite<br>C)basalt<br>D)komatiite