XXIII. Question (601-625) Flashcards
A pair of equal and opposite forces acting on a unit area of a body is known as: a. Strain b. Confining pressure c. Stress d. All of the above e. None of the above
c. Stress
A oceanic spreading center is cut by transform faults. What is the sense of movement of the transform faults: a. Dextral strike slip fault b. Sinistral strike slip fault c. Normal fault d. Thrust fault e. No conclusion can be drawn
b. Sinistral strike slip fault
A natural levee is: a. an erosional feature b. a depositional feature c. an erosional feature, essentially parallel to the stream channel d. a depositional feature, essentially parallel to the stream channel
d. a depositional feature, essentially parallel to the stream channel
A natural or artificial cave in which ice persists throughout the year is known as: a. Glacieire b. Grotto c. Kyein d. None of these
a. Glacieire
A mineral with a streak color of black, cleavage with a hardness of 3.5 and mineral brass yellow: a. Malachite b. Chalcopyrite c. Native sulphur d. Limonite
b. Chalcopyrite
A part of the Earth’s crust experiences constant stress. What can we say about its strain accumulation behavior through time? a. Initially slow, then constant, then fast b. Initially instantaneous, then slow, then constant, then fast c. Initially fast, then constant, then slow d. Initially instantaneous, then fast, then constant, then slow e. None of the above
b. Initially instantaneous, then slow, then constant, then fast
A mountain ridge described by gently dipping homoclinal structures: a. Hogback b. Cuesta c. Tumulus d. Trimline
b. Cuesta
A mineral that characterizes the given intensity of metamorphism: a. Metamorphic mineral b. Index mineral c. Pressure mineral d. Quartz e. Induced mineral
b. Index mineral
A narrow strip of land connecting two larger masses of land: a. Peninsula b. Isthmus c. Tombolo d. Barrier reef
b. Isthmus
A nonconformity can develop over: a. An old re-crystallized limestone b. An eroded diorite c. A folded sandstone d. An eroded conglomerate
b. An eroded diorite
A mineral resource sequence with high confidence level: a. Inferred-indicated-measured b. Inferred-measured-indicated c. Indicated-measured-inferred d. Measured-indicated-inferred
d. Measured-indicated-inferred
A mineral formed through shock metamorphism: a. Sillimanite b. Tactite c. Tektite d. Garnet
c. Tektite
A muddy, immature sandstone buried along a subduction margin melts. The most likely rock to form is: a. Slate b. Quartzite c. Shale d. Granite e. Gneiss f. Coal
d. Granite
A particle-size distribution with roughly equal proportions of all sizes: a. Poorly graded b. Well sorted c. Poorly sorted d. Ductile
a. Poorly graded
A minimum estimate of the velocity of a debris avalanche can be calculated from: a. Horizontal travel distance b. Total vertical drop c. Maximum runup d. Coefficient of friction
b. Total vertical drop
A pattern of essentially horizontal joints common in shallow portions of granites: a. Columnar joints b. Sheeting c. Gullying
b. Sheeting
A negative flower structure is dominantly composed of: a. Thrust faults b. Normal faults c. Folds d. Joints e. AOTA
b. Normal faults
A nuee ardent is a: a. Lava flow of high viscosity b. Thick accumulation of volcanic bombs c. Incandescent cloud of gases and particles d. Type of eruption likely to produce a basalt plateau e. Underwater eruption that yields bulbous masses of lava
c. Incandescent cloud of gases and particles
A P-wave is one in which: a. Movement is perpendicular to wave travel b. Movement is only on Earth’s surface c. Movement is forward and back in the same direction the wave travels d. Large sea waves are created by earthquakes near shore e. Movement is like water waves
c. Movement is forward and back in the same direction the wave travels
A nonconformity exists when horizontal rocks overlie tilted rock strata. True or False
True
A mineral deposit of tabular form lying horizontally or subhorizontally parallel to stratification: a. Porphyry deposit b. Massive deposit c. Bedded deposit d. Coal seam
c. Bedded deposit
A mineral zone having a tabular form inclined at a considerable angle to the horizontal: a. Bonanza b. Vein c. Dike d. Gossan
b. Vein
A mushroom-shaped intrusion doming up overlying strata: a. Lopolith b. Pacolith c. Laccolith d. Stock e. Bysmalith
c. Laccolith
A narrow knife-edge ridge connecting two peaks in glacier-eroded mountains: a. Arête b. Bergschrund c. Cirque d. Crevasse e. Ogive
a. Arête
A naturally occurring, homogeneous solid of definite chemical composition and ordered atomic arrangement formed by inorganic processes: a. Element b. Mineral c. Rock d. Crystal e. Planet
b. Mineral
