ECONOMICS,NURSING,BIOLOGY AND ALL REVISION MATERIALS

Mineralogy Final Exam Questions & Answers 1 - ANSWERSIn the silicon tetrahedron (SiO4), the electrostatic valency (e.v.) on each Si-O bond is polymerization - ANSWERSThe e.v. of the Si-O bond (question 1) results in what important property in silicate minerals? SiO4 - ANSWERSNesosilicate minerals, such as olivine or garnet, contain the following structural component Si2O7 - ANSWERSSorosilicate minerals, such as epidote, contain the following structural component Si6O18 - ANSWERS...

Mineralogy Exam 1 Questions Grade A+ Cleavage - ANSWERStendency for a mineral to break along regular planes Pinacoid - ANSWERSopen form where two and only two faces are parallel Steno's Law - ANSWERSInterfacial angles constancy; angles between equivalent faces of crystals of same structure are constant Point Groups - ANSWERS32 ways of arranging objects around a point in a pattern that can be repeated Lattice - ANSWERSa periodic array of points that represents repetition of at...

Mineralogy Review Questions & Answers What is the 5 part definition of a mineral? - ANSWERSNaturally occurring, inorganic, solid, specific chemical composition, and unique physical properties What causes minerals to have different physical/chemical properties? - ANSWERSTheir internal structure and chemical composition. Besides Color and Streak name 4 other physical properties of minerals - ANSWERSHardness, specific gravity, fracture/cleavage, and luster Identify 3 minerals with sp...

Mineralogy Final - Old Exam Questions Grade A+ What crystal form has triangular-shaped faces? - ANSWERSTetrahedron or Octahedron Which crystal shape has the form {101} - ANSWERSRhombic Dodecahedron Conditions leading to low density polymorphs are... - ANSWERSLow pressure, High temperature The maximum symmetry of this crystal system is three different two-fold rotation axes: - ANSWERSOrthorhombic A crystal face with intercepts of 3, 6, 2 has what miller indicies? - ANSWERS(2 , 1,...

Mineralogy Exam 1 Questions & Answers what is a mineral? - ANSWERSa naturally occuring solid with a highly ordered atomic arrangement and a definite (but not necessarily fixed), homogeneous chemical composition. Minerals are usually formed by inorganic processses. explain what a highly ordered atomic arrangement means - ANSWERSCrystalline, having an orderly and repetitive atomic structure explain what a definited, homogeneous chemical composition means - ANSWERSit can be described wit...

BUNDLE - PETROLOGY EXAMS

Mineralogy Exam 2 Questions & Answers Aluminosilicates - ANSWERSTerrestrial rocks with calcium, potassium, and sodium Andalusite silimanite kyanite Common SiO4 Minerals - ANSWERSGarnet Staurolite Titanite Zircon Garnet - ANSWERS{110} important in metamorphic & igneous rocks, mantle Chem: (M^2+)3(M^3+)2(Si^4+O4)3 Flexible structure Three groups on Earth - Calcic -Aluminous Calcic Garnets - ANSWERSUvarovite (rare) Grossular Andradite

Igneous and Metamorphic Petrology Exam 1 common igneous rocks - ANSWERSFelsic Rocks - Granite and Rhyolite Intermediate rocks - Diorite and andesite Mafic Rocks - Gabbro and Basalt Ultramafic Rock - Peridotite Peridotite is commonly found in the mantle. The olivine crystals in it display "seismic anisotropy" which means that seismic waves travel at different speeds along different paths through the crystals 8 minerals commonly associated with igneous rocks - ANSWERSFels...

Petrology Exam 2 Practice Questions What is done to a sample - ANSWERSA sample is bombarded by energy What happens to electrons in elements of a sample - ANSWERSelectrons absorb the energy and are excited, and move from levels near the nucleus of an atom to higher energy levels How is the identity of an element determined from the detector - ANSWERSUpon de-excitation the electrons fall back to the ground state by releasing energy, and the wavelength, or frequency of the released energ...

Petrology Study Exam 1 Questions & Answers

Mineralogy and Petrology Exam 1 Mineral - ANSWERSa crystalline solid composed of one or more elements Crystalline - ANSWERSatoms form a geometrically regular lattice Unit Cell - ANSWERSthe smallest possible sample of a mineral showing all of the elements of symmetry of the macroscopic crystal Angstrone - ANSWERSthe distance within the crystalline, measured by electron microscope Polymorph - ANSWERStwo minerals of the same elements that are composed of the same elements but have ...

Petrology Exam Study Questions & Answers What is the dominant process for producing melt in the mantle? - ANSWERSDecompressional melting, where the pressure is lower while the temperature stays constant, moving the mantle up to and over the solidus. How do a suite of igneous rocks become more felsic? - ANSWERSFractional crystallisation. What determines whether a magma is tholeiitic or calc-alkaline? - ANSWERSThe amount of melting; small melts of basalt can be alkalic, but large amount...

Petrology Midterm Emplacement - ANSWERSWhere igneous rocks form Plutonic - ANSWERSIgneous rocks formed underground Shallow/Epizonal <5km Middle/mesozonal 5-15km Deep/catazonal >15km Volcanic - ANSWERSIgneous rocks formed at the surface, dispersal near to far from vent, Can be lava or pyroclastic Hypabyssal(subvolcanic) - ANSWERSIgneous rocks w/ textural characteristics like volcanic rocks but emplaced in plutonic setting, shallow <1-2km Igneous textures descriptor...

Petrology Exam 1 Questions Grade A+ What minerals are needed to identify an igneous rock? - ANSWERSF-feldspathoid Q- quartz A- alkali feldspar P- plagioclase Clinopyroxene and Orthopyroxene How is igneous grain size related to the igneous setting where a rock formed? - ANSWERSSlow cooling= Large grains. Coarse-grained. Phaneritic. Intrusive Fast cooling= Small grains. Fine-grained. Aphanitic. Extrusive porphyritic= two-stage cooling process. Phenocryst in a fine matrix. what...

Petrology Test 1 Questions & Answers Classification of any rock is based on what - ANSWERStexture and composition IUGS classification of Pyroclastic Rocks - ANSWERSclassification based on clast size/type. >64 mm - blocks (solid rock during fragmentation) or bombs (molten rock during fragmentation) 2-64 mm - Lapilli < 2 mm - Ash IUGS classification system of Aphanitic (volcanic) rocks. - ANSWERSIf modal comp cannot be determined by hand sample/thin section - analyze the ...

Petrology Exam 1 Material Questions & Answers

Petrology Tufts University Igneous and Metamorphic Exam 1 Questions & Answers What are the three broad things that rocks are made of? - ANSWERSMinerals, Matrix, and Elements (these specific components are used to classify rocks in different ways) What are the 10 most abundant (major) elements on Earth? - ANSWERSSiO₂ TiO₂ Al₂O₃ FeO MgO MnO CaO Na₂O K₂O P₂O₅ (Surely this amiable ibex might make (his) capybara neighbors plum pies. ??) (Somehow, this all feels m...

Petrology Sed Exam Questions & Answers What are the different types of detrital clastic rocks? - ANSWERS- Breccia - Conglomerate - Sandstone - Siltstone - Shale What are the different types of chemically precipitated rocks? - ANSWERS- Organic - Evaporites - Carbonates - Siliceous (chert) Size Limit/Break between mudrocks and sandstones? - ANSWERSsandstones: 2mm-.0625mm; -1-4 Phi Units mudrocks: less than .0625mm; 4 Phi units Size Limit/Break between claystone and siltstone?...

BUNDLE - HEENT EXAMS

HEENT Exam 1 Questions with Complete Solutions Otitis media - ANSWERSMiddle ear infection Sensorineural hearing loss Causes? - ANSWERSProblem in the inner ear (cochlear nerve, neuronal transmission into brain) Causes - Loud noise exposure (>85 dB) - Inner ear infections - Trauma - Tumors - Congenital - Aging Conductive hearing loss Causes? - ANSWERSExternal or middle ear disorder impairs sounds conduction into brain - You can still hear through the bone b/c it transmits...