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APSC151 Midterm Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions
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APSC151 Midterm Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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  • August 4, 2024
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  • 2024/2025
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APSC151 Midterm Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions

How old is the earth - 4.6 Billion years



The Precambrian Era Accounts for ____% of Earth's History - 88%



Pangea was - A supercontinent



The ____ forms the relatively cool, brittle plates of plate tectonics - Lithosphere



New seafloor is created at _____ plate boundaries - Diverging



The San Andreas fault in California is a good example of what? - Transform plates



The _____ is the thinnest layer of the Earth - Lithosphere



The composition of the Earth's core is thought to be composed of ____. - Iron and Nickle



The ____, about 100km thick is the coldest, most rigid and most brittle layer in the Earth - Lithosphere



As a self-contained planet, Earth is divided into several interacting systems called the ____. - Biosphere,
Atmosphere, Hydrosphere, Geosphere



Most lithium used on earth comes from ____ - Salt flats



What basic atomic particle occupy space outside of the nucleus - Electrons



An atom's atomic number is 92 and its atomic mass is 238, what is the number of neutrons? - 146

,In ___ type of bonding one atom gives up electrons to another. - Ionic



The two main types of bonding that form the structures in minerals are ____. - Covalent, Ionic



_____ is the expression of orderly internal arrangement of atoms in a mineral crystal. - Crystal Habit



The true colour of a mineral as seen in it's powdered powdered form is called it's___ - Streak



The strong tendencies of certain MINERALS to break along parallel planes is called ____ - Cleavage



The tendency for minerals such as quartz to break in a smoothly curved manner is called ___. -
Conchoidal Fracture



What is a polymorph? - Elements that join together in more than 1 way



Which of these is NOT a physical property of crystals? - Stability



____ is the ratio of a weight of mineral to a volume of water of equal weight. - Specific Gravity



The main use of bauxite is ___. - Aluminum production



Which is not a mineral class - Chlorates



Which is not a silicate - Gypsum



Plutonic rocks are ____ - Intrusive igneous rocks



What causes plutonic rocks to be seen on the surface? - Weathering

, The last minerals to crystallize in Bowen's reaction series result in ___ rocks. - Felsic



Which of these rocks is most likely to contain biotite - Intermediate



Which of these is phaneritc - Diorite



Which of the following igneous rock types is named after a mountain range in South America - Andesitic



Which is not a component of magma - Liquids



The geothermal gradient is the____ - Temperature increase per km into the Earth



Which is not a factor which causes melting to occur - New rocks being introduced



Why are lavas more fine grained than plutons? - They have less time to cool



Which is not an igneous texture - Vermiculitic



Aphantic textures are not - ejected during volcanic eruptions



Phaneritic textures are not - formed in very late stages of crystallization



Pegmatitic textures are not - rapidly cooled



Porphyritic textures are not - composed of microscopic crystals



Pyroclastic textures are not - Cooled very slowly



_____ typically exhibits pyroclastic textures - Welded tuff

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