Geology 2, Mineral and Igneous Rock Test – Tuesday Feb 3, 2015 25 points 1 page of 8.5 by 11 inch sheet of notes allowed. No photocopies – your own work. Computer generated sheets are allowed, but no cut and paste of tables, diagrams, or photos. You are responsible for identification and properties (hardness, ability to cleave, color) of the following minerals: Quartz Light and Dark Mica (or muscovite and biotite) Light and Dark and Pink Feldspar (or Sodium Plagioclase, Calcium Plagioclase, Orthoclase) Amphibole (or hornblende) Pyroxene (or Augite) Olivine You are responsible for identification and properties (visible minerals; small or large crystals) of the following rocks: Granite Diorite Gabbro Peridotite Rhyolite Andesite Basalt Types of Questions to Expect: Describe the distinguishing properties of a mineral. List the specific mineral (name) List an igneous rock that would likely include a specific mineral Indicate if a rock is intrusive or extrusive and explain the basis for you answer List the name of an igneous rock List the visible minerals present in a rock. Identify an igneous rock and describe how it was formed and what the presence of the rock indicates about the geologic environment during rock formation.