Midterm 2 Study Guide
Midterm 2 Study Guide GEOL 205 001
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This 7 page Study Guide was uploaded by Katie Rosen on Sunday October 18, 2015. The Study Guide belongs to GEOL 205 001 at University of South Carolina taught by Professor Bizimis in Fall 2015. Since its upload, it has received 56 views. For similar materials see Earth Resources in Geology at University of South Carolina.
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Date Created: 10/18/15
Geology 205 Exam 2 Study Guide 1What are all Earth materials composed of a atoms b dust particles C rocks d chemicals 2 Minerals are composed of atoms bonded together and are the building blocks of rocks a true b false 3 What are rocks composed of a dust b dirt c minerals d atoms 4 The atom is the unit of an that retains the physical and chemical properties of that a largest element compound b smallest element element c largest element element d smallest compound element 5 Do atoms participate in chemical reactions a no b yes c only when the atom has bonded with other atoms to make up a mineral 6 Isotopes are atoms of the same element with different numbers of a protons b electrons c nuclei d neutrons 7 What is an ion a an atom that is positively charged b an atom that is negatively charged c an atom that has no charge neutral d both a and b 8 A has gained electrons and has more electrons relative to the number of protons a anion b cation 9 A has lost electrons and has fewer electrons relative to the number of protons a anlon b cation 10 The electrical attraction of ions will cause an ionic bond to form between which of the following two oppositely charged ions two ions with the same charge a group of ions regardless of their charge d eight ions 4 positively charged and 4 negatively charged 99quot 11 Geologists define a mineral as a naturally occurring crystalline substance generally inorganic with a chemical composition a solid randomly compiled b liquid specific c solid specific d either liquid or solid specific 12 Which of the following is not a mineral a quartz b amethyst c glass 13 What does it mean that minerals are generally inorganic a they are not a product of living tissue b they do not have any foreign chemicals in them c they were built naturally d they are a product of living tissue 14 Which of the following is a mineral a metallic iron b cellulose c oxygen d hematite 15 Which of the following are useful for building materials and manufacturing a native elements b oxides c sulfides d carbonates 16 Which of the following are useful for building materials a sulfates b sulfides c oxides d carbon 17 Which of the following is a host for many metallic ores a Oxides b Sulfides c Sulfates d Carbonates 18 A is a mineral composed of a single element native element solitary mineral native mineral d solitary element F3 Fr 19 What are the three broad categories of rocks a sedimentary metamorphic extrusive b weathered metamorphic sedimentary c igneous sedimentary metamorphic d weathered extrusive metamorphic 20 Rocks that are formed when magma erupts at the surface and rapidly cools to fine ash or lava and then develops small crystals are a extrusive rocks b intrusive rocks c sedimentary rocks d extrusive igneous rocks 21 These rocks are formed when molten rock intrudes into unmelted rock masses in Earth s crust sedimentary rocks metamorphic rocks all rocks are formed this way d intrusive igneous rocks 99quot 22 When sedimentary rocks are formed they go through a step process a 5 b 7 c 3 d 10 23 How many types of sedimentary rocks eXist a l b 2 c 3 d 4 24 Clastic sedimentary rocks are formed a by the lithification of mechanically weathered pieces of rocks and minerals b only near or in a body of water c only on dry land d very rarely 25 Chemical sedimentary rocks are formed a during a chemical process b during a chemical process on land c during a chemical process in bodies of water d very rarely 26 Match the following type of rock with its forming process lIgneous melting of a deposition rocks burial and lithification 2 Sedimentary b recrystallization weatheringerosion in solid state 3 Metamorphic high ccrystallizationsoli temp and pressure dification of magma or lava 27 Does the full rock cycle always take place when a rock is forming a yes b no 28 The process is responsible for altering and transforming rocks over time a geologic b aging c igneous d sedimentary 29 What is a rock that is economical to mine due to the useful metal in it a metal b gold c high value rock d ore 30 The concentration factor formula is a CF concentration of the metal in the ore X concentration of the metal on average cm X cmc b CF concentration of the metal on average continental crust concentration of the metal in the ore cmccm c CF concentration of the metal in average continental crust concentration of the metal in the ore cmc cm d CF concentration of the metal in the ore concentration of the metal in average continental crust CmCmc 31 What is the main source of copper a copper mines b sedimentary rocks c porphyry copper deposits d volcanoes 32 What are the two primary metals recovered from mining of porphyry systems a copper and magnesium b copper and molybdenum 33 34 35 36 37 38 39 40 41 42 C copper and gold d copper and aluminum Epithermal gold deposits are produced at relatively low temperatures near the Earth s surface a true b false Carlin type deposits are a type of gold deposit named for a the town Carlin Nevada b the town Carlin Nebraska c the type of sedimentary rock carlin d the type of gold carlin Lead and Zinc are very difficult to find a true b false Lead and Zinc can be found in which of the following deposits a Mississippi valley deposits b gold deposits in Africa c Nebraska copper deposits d deposits located in the middle east Which of the following was one of the first metals used by man because it s easy to melt a Zinc b Lead c Copper d Gold Laterites are considered a salt b lead c zinc d regolith Laterites were used as a building stone when making bricks a true b false Laterites were formed in a cold areas b only in wet enVironments near bodies of water c tropical locations Which of the following is a useful source of aluminum a zinc b magnesium c copper d bauXite Recycling aluminum uses percent of the energy required to produce it from an ore d 15 43 How many iron mines are currently operating in the US a 25 b about 11 C 7 d 13 44 The iron mines in the US are all located in which states a Connecticut and New Hampshire b Main and Vermont c Main and Minnesota d Michigan and Minnesota 45 About what percent of the total Iron produced do we actually use a l b c 44 d 75 46 tons of steel is recycled per year in America a 200000 b 30000000 c 2000000000 d 80000000 ANSWERS 1A 2A 3C 4B 5B 6D 7D 8A 9B 10A 11C 12C l3A 14D 15D 16A 17B 18A 19C 20D 21D 22B 23B 24A 25C 26 1C 2A 3B 27B 28A 29D 30D 31C 32B 33A 34A 35B 36A 37B 38D 39A 40C 41D 42A 43B 44D 45A 46D
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