1 What is the most common group of minerals?A) carbonates B) sulfates C) oxides D) silicates 2 What is the common term for halite?A) silica B) limestone C) pepper D) salt 3 What property is affected by the mineral's crystalline structure?A) cleavage B) color C) luster D) silicates 4 Which mineral would rank the highest on Moh's Scale.A) Gypsum B) Fluorite C) Talc D) Apatite 5 Which property is not a characteristic of a mineralA) naturally occurring B) definite crystalline structure C) definite chemical composition D) organically formed 6 What is the name of an intrusive igneous rock with a high silica content.A) granite B) rhyolite C) basalt D) gabbro 7 What does a porphyritic texture tell you about how a rock formed?A) the rock in intrusive B) The rock formed at two different stages, both intrusively and extrusively. C) The rock is extrusive D) The rock is not volcanic. 8 How is the vesicular texture of an igneous rock formed?A) erosion B) release of gas C) intrusive formation D) weak chemical bonds 9 What are two common elements in basalt and gabbro?A) iron and silica B) silica and aluminum C) magnesium and iron D) oxygen and aluminum 10 According to Bowen's Reaction Series, what mineral groups are most stable in high temperature regimes?A) olivine and pyroxene B) olivine and sodium-rich plagioclase C) calcium-rich plagioclase and olivine D) plagioclase and quartz 11 Through what process does chemical sedimentary rock form?A) cementation of sand B) evaporation C) compaction of clasts D) condensation 12 What does the term sand refer?A) mineral composition B) grain size C) rock classification D) quartz 13 What two processes work together to form most sedimentary rocks?A) compaction and evaporation B) compaction and cementation C) evaporation and cementation D) cementation and porosity 14 Which grain size is least likely to settle out of swift moving water?A) gravel B) silt C) sand D) clay 15 Which is an example of a biochemical sedimentary rock?A) sandstone B) siltstone C) basalt D) limestone 16 What are two main contributing factors to creating a metamorphic rock?A) changes in temperature and pressure B) changes in temperature and water content C) changes in pressure and chemical composition D) changes in chemical composition and color 17 As rocks are metamorphosed, what is a common resultA) change in color B) mineral grain alignment C) change in chemical composition D) fracturing 18 What is the classic foliated rock sequence?A) shale, slate, phyllite, schist, and gneiss B) shale, slate, schist, gneiss, and phyllite C) clay, garnet, biotite, and mica D) slate, shale, phyllite, and gneiss 19 Which sequence describes a nonfoliated metamorphic rock.A) limestone to quartzite B) limestone to marble C) quartzite to marble D) sandstone to limestone 20 What cycle describes the transformation of one type of rock into another.A) The carbon cycle B) Bowen's Reaction Cycle C) Mohs Scale D) The rock cycle.