Geology Jimi Multiple Choice
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- What happens in the metamorphism from limestone to marble? A.change in mineralogy B.change in texture C.a change in bulk chemistry D.all of the above
- B.change in texture
- Which type of cement used in the lithification of sedimentary rocks gives the red color A.silica B.iron oxides (hematite) C.carbonate (calcite) D.clays
- B.iron oxides (hematite)
- Metamorphic foliations form normal (perpendicular) to the⬦ A.maximum principle compressive stress axis B.maximum finite extension (X) axis) C.minimum principle compressive stress axis D.maximum finite shortening (Z) axis
- D.maximum finite shortening (Z) axis
- What kind of sediments are deposited directly from glacial ice? A.arkose B.breccia C.till D.greywacke
- C.till
- Which type of foliation is characteristic of the highest grade metamorphic rock? A.slaty cleavage B.gneissic layering C.phyllitic cleavage D.schistocity
- B.gneissic layering
- Which group of minerals is the most table at the pressures and temperatures found on Earth’s surface? A.olivine solid solution series B.plagioclase solid solution series C.clay minerals D.pyroxenes
- C.clay minerals
- What is the fundamental difference between mafic and felsic igneous rocks A.differences in their textures B.differences in their tectonic settings C.differences? They have no differences!!! D.Differences in their silica [SiO2] concentrations
- D.Differences in their silica [SiO2] concentrations
- Which kind of joints are characteristic of contraction due to cooling? A.horizontal joints B.unloading joints C.columnar joints D.exfoliation joints
- C.columnar joints
- What kind of sedimentary rock is characteristic of an active continental margin? A.arkose B.shale C.greywacke D.limestone
- C.graywacke
- Which kind of rocks has beds? A.igneous B.sedimentary C.metamorphic D.hydrothermal
- B.sedimentary
- The saxifrage provided a local example of⬦ A.root wedging B.thermal expansion C.frost wedging D.jointing
- A.root wedging
- Mantle material partially melts along divergent plate boundaries due to⬦? A.adding water which acts as a flux B.friction C.heating D.decompression
- D.decompression
- As sediment maturity increases, what decreases? A.the % of quartz decreases as maturity increases B.the sorting decreases as maturity increases C.the % clays decreases as maturity increases D.the rounding decreases as maturity increases
- C.the % clays decreases as maturity increases
- Which erosional process involves the removal of detritus by water, air or ice? A.transportation B.mechanical weathering C.chemical weathering D.mass wasting
- A.transportation
- All seismic waves pass through solid rock. The tricky bit is passing through a fluid. Which type of seismic wave can pass through both solids and liquids? A.Love waves B.P-waves C.Rayleigh waves D.S-Waves
- B.P-waves
- Which force acting on Earth is the most important agent for moving rocks and sediments from one place to another. A.Internal energy B.Weight of overburden C.Weight of air D.Gravity
- D. Gravity
- Which kind of process of the rock cycle is required for the formation of igneous rocks? A.Erosion B.Burial C.Melting D.Deposition
- C. Melting
- What group of minerals form the vast majority of the rock-forming minerals? A.Silicates B.Sulfides C.Carbonates D.Oxides
- A. Silicates
- Which line of evidence was not used by Alfred Wegener to support his hypothsis of the continental drift? A. Paleoclimatology of glaciers (tillties) & swamps (coal) B. Paleomagnetism and magnetic reversals C. Paleogeography of mountains with similar age
- B. Paleomagnetism and magnetic reversals
- Which of the following minerals is the hardest? A. Apatite B. Orthoclase C. Calcite D. Fluorite
- B. Orthoclase
- Which is not a consideration for ionic substitution within a mineral? A. the difference in atomic number B. the differences in ionic radii C. the differences in the ion’s valence state (charge) D. the differences in electonegativity
- A. the difference in atomic number
- Which planet does not belong with the others in this group? A. Neptune B. Jupiter C. Earth D. Saturn
- C. Earth
- Decompression cannot explain the partial melting associated with ⬦ A. Transforms B. Hot spots C. Convergence D. Divergence
- C. Convergence
- Which type of chemical bond is characterized by a large difference in electonegativities? A. ionic B. Metallic C. Covalent D. Van der Waals
- A. Ionic
- Which is not subject to change? A. An interpretation B. An explanation C. An qualitative observation or quantitative measurement D. A scientific theory
- C. An qualitative observation or quantitative measurement
- Which mineral property is the least reliable in making an id? A. Hardness B. Streak Color C. Cleavage D. Hand-sample color
- D. Hand-Sample color
- Which is a group of minerals? A. Silicone B. Silica C. Silicate D. Silicon
- C. Silicate
- Which part of a subduction zone consists of sediments scraped off the subducting plate + sediments shed off the volcanic arc + fragments of oceanic crust all mixed together and deformed by folding and thrusting? A. Accretionary Wedge B. Backarc Basin
- A. Accretionary Wedge
- Gauge (gage) pressure is this kind of data A. nominal data B. ordinal data C. interval data D. Ratio Data
- C. Interval Data
- What is an example of qualitative data? A. the chemical composition of a rock B. the modal composition of a rock C. the computed density of a rock D. the description of a rock
- D. The description of a rock