GY111 Earth Materials Practice Final Exam Name S N I True False Questions circle a T for true or F for false 10 total or 0 5 per 1 T F The Uranium used in nuclear power plants may explode if not controlled properly 2 T F Natural Gas is an example of a renewable energy resource 3 T F Ductile deformation permanently changes the shape of an object 4 T F Brittle deformation is predominately elastic behavior 5 T F Strain is defined as a force applied to a unit area 6 T F Oxidation is considered one of the chemical weathering processes 7 T F A reverse fault is defined as hanging wall up motion 8 T F Carbon dioxide CO2 is considered a greenhouse gas 9 T F Quartz is the hardest known mineral 10 T F Normal faulting is associated with divergent plate boundaries 11 T F Cross bedding in a sandstone can be produced by currents of air or water 12 T F The hinge line of a fold contains points of maximum curvature 13 T F Continental shelf depositional environments are considered to be marine environments 14 T F A mineral reserve consists of all proven occurances of the material 15 T F A batholith will have greater than 100 km2 exposure area 16 T F Regional metamorphic rocks are produced along convergent plate boundaries 17 T F Contact metamorphic rocks are produced by the intrusion of magma 18 T F A schist is an example of a foliated metamorphic rock 19 T F Solar power is an example of a non renewable energy resource 20 T F Metamorphic facies represent regions on a temp vs press graph II Multiple Choice 80 total or 2 points per question 1 A dip slip fault where the hanging wall block moves up relative to the footwall block is a a Normal Fault b Left lateral Fault c Reverse Fault d Left lateral Fault 2 The largest percentage of energy consumption in the U S is from a Hydroelectric b Oil petroleum c Nuclear d Wood Page 1 of 9 GY111 Earth Materials Practice Final Exam Name S N 3 A fossil fuel that combusts cleanly to only CO2 and H2O would be a Coal b Oil c Natural gas d None of the above 4 Of the following the lowest temperature metamorphic mineral isograd is a Staurolite b Chlorite c Garnet d Biotite 5 Of the following the largest remaining world energy resource in terms of energy content is a Crude oil b Coal c Natural gas d Uranium oxide 6 Of the following the highest temperature metamorphic mineral isograd is a Kyanite b Staurolite c Garnet d Sillimanite 7 The plane that passes through points of maximum curvature in a fold is a a fold limb b fold hinge c axial plane d inflection point 8 Black Smoker volcanic vents along divergent plate boundaries tend to develop a Vein ore deposits b Disseminated ore deposits massive sulfides c Kimberlites d Pegmatites 9 Of the following list which is not a clastic sedimentary rock a Sandstone b Siltstone c Shale d Dolostone Page 2 of 9 GY111 Earth Materials Practice Final Exam Name S N 10 The term diagenesis refers to a A type of clastic sedimentary rock b A type of metamorphism c A type of chemical weathering process d The physical and chemical changes that buried sediments undergo 11 The material that is found on the inside of a chewing gum foil wrapper is a powdered sandstone b powdered marble c powdered halite d powdered corundum 12 Rolaids tablets are composed of 50 a Basalt b Halite c Feldspar d Calcium carbonate 13 The magnitude of an earthquake can me measured with the a Richter scale b Mohs scale c Mercalli scale d All of the above 14 The Bushveld complex of South Africa is economically important because of its a Petroleum reserves b Natural gas reserves c Metallic ore deposits d Coal reserves 15 The majority of the worlds petroleum reserves are found in a Persian Gulf b North America c Russia d China Page 3 of 9 GY111 Earth Materials Practice Final Exam Name S N 16 Sand sized particles have the range a 256 mm b 2 0 062 mm c 0 0039 mm d None of the above 17 A tabular intrusion that is discordant is termed a a Dike b Batholith c Stock d Sill 18 A sandstone that contains 25 feldspar is termed a a Quartz arenite b Arkose c Graywacke d Lithic sandstone 19 Which type of mineral deposit contains diamonds a Kimberlite b Pegmatite c Veins d All of the above 20 The type of deposit where deposition at a point bar concentrates ore minerals is termed a Placer b Hydrothermal c Vein d Disseminated 21 Requirements for metamorphism of rocks include a Elevated temperature b Elevated pressure c Presence of fluids like H2O CO2 and CH4 d All of the above 22 Ductile mechanical behavior in rocks is favored by a High temperature b High pressure c Deep burial d All of the above Page 4 of 9 GY111 Earth Materials Practice Final Exam Name S N 23 A felsic igneous rock is a Dark colored and rich in Fe and Mg b Dark colored and rich in K and Na c Light colored and rich in K and Na d Light colored and rich in Fe and Mg 24 The main difference between low grade and high grade metamorphic rocks is a Pressure b Temperature c Degree of deformation d Color 25 Directed pressure which produces distortion in rocks is due to a Tectonic forces b Forces built up during burial c Increasing temperature d Increasing amounts of fluid 26 A gradual change in the chemical composition of a rock during metamorphism is termed a Porphyroblast development b Metasomatism c Cataclastic development d Hydrothermal metamorphism 27 A fold structure that contains oldest units in the core of the structure is termed a a Syncline b Anticline c Dip slip fault d Strike slip fault 28 The tendency of a fine grained metamorphic rock to split along planar fractures is termed a Cleavage b Foliation c Metasomatism d Cataclastic Page 5 of 9 GY111 Earth Materials Practice Final Exam Name S N 29 A type of chemical bond where electrons are gained or lost by atoms is a ionic b covalent c metallic d None of the above 30 The best term for a dip slip fault dipping less than 45 degrees with hanging wall up motion would be a Normal dip slip fault b Right lateral strike slip fault c Thrust fault d None of the above 31 A structure that contains circular contacts with the youngest units in the core of the structure would be termed a a Anticline b Reverse fault c Basin d Thrust fault 32 A strike slip fault that possesses right handed offset is a a Left lateral fault b Normal fault c Right lateral fault d Reverse fault 33 If a basalt were metamorphosed to a low grade it would be termed a a Amphibolite b Greenstone c …