GOL 105 Best Complied Exam Set 2025 Graded A+

GOL 105 Best Complied Exam Set 2025 Graded A+ What is NOT part of the definition of a mineral? Naturally occurring Organic Orderly crystalline structure Characteristics chemical composition - ANSWER-Organic Which of the following is a rock composed of non-mineral matter? Granite Limestone Coal Basalt - ANSWER-Coal An atom of oxygen has 8 protons, 8 neutrons, and 8 electrons. What is the mass of this atom? - ANSWER-16 What is an ion? - ANSWER-An atom that has more or fewer electrons than it should ______________ refers to a minerals intensity of reflected light. Luster Cleavage Streak Tenacity - ANSWER-Luster _________ is defined as a minerals resistance to scratching Cleavage Streak Hardness Fracture - ANSWER-Hardness The ________ are the mineral class that accounts for more than 90% of the earths crust. Sulfates Silicates Carbonates Native elements - ANSWER-Silicates A rock can be composed of almost entirely one mineral. True or false - ANSWER-True GOL 105 GOL 105 All minerals have cleavage. True or False - ANSWER-False Color is a reliable technique for the identification of minerals. True or false - ANSWER-False Ferromagnesian minerals have a higher specific gravity than nonferromagnesian minerals. True or false - ANSWER-True The intrusive and extrusive, intermediate composition igneous are: - ANSWER-diorite and andesite ingenuous rocks can have special textures. For example, a porphyritic texture has two different minerals sizes which indicates two different cooling rates. True or false - ANSWER-True Dikes are igneous bodies that form _______ to bedding. - ANSWER-Perpendicular intrusive and extrusive, mafic igneous rocks are: - ANSWER-gabrro and basalt An extrusive rock is an igneous rock that occurs at earths surface True False - ANSWER-True Igneous rock composition, however, is dictated by the amount of silica present in the rock. High silica content will result in a_____Composition. - ANSWER-Felsic Igneous rock composition is categorized as: - ANSWER-Moffett, intermediate, felsic The three major components of magma include - ANSWER-A liquid, a solid, solid, and a gaseous component Igneous rock composition, however, is dictated by the amount of silica present in the rock. Low silica content results in a___________or dark composition. - ANSWER-Mafic (basaltic) Cells are igneous, intrusive bodies that form parallel to bedding True False - ANSWER-True The earth is approximately how old - ANSWER-4.6 billion years Which geologic time era do we live in? - ANSWER-Cenozoic Era GOL 105 GOL 105 Geologist work on the premise that the physical and biological process that they operated today have also operated in the geologic past. This premise is known as: - ANSWER-The principal of uniformitarianism Lithification is a process involved in the formation of which type of rock?? - ANSWER Sedimentary rock The Earth revolves around the sun, every 365.25 days. This is the example of a: - ANSWER-Theory Which characteristic describes the rock basalt - ANSWER-Basalt is an igneous rock, composed of microscopic crystals of dark colored minerals and is the typical rock of the ocean's crust Chemical differentiation very early in earths history - ANSWER-allowed for heavier elements to sink toward the center and lighter elements to rise toward the surface creating Earth's layered interior. Density is greatest in which of earths interior layers - ANSWER-The core Earth's Otis rocks are located within the - ANSWER-Stable interior shield Heat generated from the decay of radioactive elements is one source of energy that powers which part of the earth system - ANSWER-The geosphere In order from the middle to the outside list the layers of the earth - ANSWER-Inner core outer core mantle Asthenosphere Lithosphere Continental crust Oceanic crust Which of the following are expressions of the idea of uniformitarianism? - ANSWER-The present is key to the past Physical chemical and biological laws that operate today have also operated in the past Canyons are carved parentheses eroded parentheses by running water over vast spans of geologic time Continental mountain rages are only found found - ANSWER-At continent/continent collisions Island arcs are only found at - ANSWER-Oceanic/oceanic collisions Continental volcano arcs are only found at - ANSWER-Oceanic/continental collisions GOL 105 GOL 105 Hotspot volcanic tracks are only associated with with - ANSWER-Hotspots Divergent boundary geological features are - ANSWER-Fisher, eruptions, shallow earthquakes, and mid ocean ranges Ocean geological features are - ANSWER-Trenches, island arc, shallow, and deep earthquakes Ocean - continental geologic features are - ANSWER-Trenches, continental volcanic arc, shallow, and deep earthquakes Continent/continental geologic features are - ANSWER-No volcanoes, shallow, and deep earthquakes, continental mountain train Transformed fault geologic features - ANSWER-Large shallow earthquakes Hotspot geologic features - ANSWER-Seamount chain with one active volcano Evidence used by wegener to support his continental drift hypothesis - ANSWER Evidence of glaciation in area is currently nowhere near polar region Fossils of identical, land, animals and plants discovered on widely separated, continental land mass Similarities in rock types and structures found on widely separated continents Continuation of mountain systems found now on separate continental land masses Evidence of tropical conditions, including vast coal deposits in a swath across the central pangean continent The Appalachian mountains were formed through mountain building processes associated with what type of plate boundary - ANSWER-Continental - continental plate collision Mid ocean ridges are elevated versus the surrounded seafloor because - ANSWER-The crust is warmer, making it less dense and more buoyant The Aleutian Islands occur along a - ANSWER-Volcanic island arc formed by oceanic - oceanic convergence The Andes mountains of South America are an example of mountain building activity at which type of plate boundary - ANSWER-Oceanic - continental convergent plate boundary GOL 105 GOL 105 Understanding, magnetic pole, reversal, and paleomagnetic patterns in the seafloor provide proof of - ANSWER-Sea floor spreading Which of the following is an example example of a divergent boundary? - ANSWER Iceland What geological features would you expect to find at ocean continent convergent boundary? - ANSWER-A deep sea trench Earthquakes Continental volcano arc What geological features are typically found at a divergent boundary - ANSWER-Week, shallow earthquakes Which of the following forces are considered to be partly responsible for driving lithospheric plate motion - ANSWER-Convection to the mantle Ridge push at divergent boundaries Slab pool at locations of subduction Does Amy have a metallic or non-metal metallic luster - ANSWER-Metallic Does the ceramic coffee mug have a metallic or non-metal metallic luster ? - ANSWER Non metallic Does mercury have a metallic or non-metallic luster? - ANSWER-Metallic Does a diamond have a metallic or non-metallic luster? - ANSWER-Nonmetallic A mineral can be scratched by a masonry nail or a knife blade, but not by a wire iron nail. What does its hardness on the mohs scale? - ANSWER-4.5 to 5.5 A mineral can be scratched by a penny, but not a fingernail. What is its hardness on the mohs scale? - ANSWER-2.5 to 3.5 Mineral "a "is a gray metallic mineral with cubic cleavage parentheses three planes of cleavage at right angles parentheses it's hardness is 2.5: streak is great to dark gray. Its mass is 29.5 G, and its volume is 3.5 cm. What is it specific gravity? - ANSWER-8.43 Mineral "B " is a transparent, prismatic mineral with no cleavage ( but exhibiting conchoidal fracture ). It's hardness of 7.0 which is too hard to streak. It's mass is 11.18 G and it's volume is 4.3 cm. What is it specific gravity? - ANSWER-2.60 What is the difference between magma and lava? - ANSWER-they are both molten rock material, but magma is below the land surface and lava is above