If Magma or Lava Cools Quickly,the Resulting Igneous Rock Will

Q91: Which of the following is an economically

Q92: The most common sedimentary rock is _.<br>A)sandstone<br>B)shale<br>C)conglomerate<br>D)breccia

Q93: Granite and gabbro _.<br>A)have a similar mineral

Q94: Slate is _ than shale.<br>A)more planar<br>B)darker<br>C)denser<br>D)lighter

Q95: Which of the following is not a

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