Science Quiz / 'S' in Geology Part 2

Random Science or Geology Quiz

QUIZ: Can you name the answers to these Geology questions where all of the answers begin with 'S'?

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A broad, gently sloping volcano that has been built up by many successive flows of low viscosity lava
Scratches/grooves on a rock surface caused by abrasive action of objects being transported over it (#3 above)
The 1980 eruption of this U.S. volcano included a lateral blast to the north and deadly mudslides
The study of sedimentary rock units, including their extent, age, classification, characteristics, and formation
A large igneous province from an enormous eruption 251 million years ago; likely caused a mass extinction
A large landmass formed from the convergence of multiple continents
A fault with horizontal displacement (e.g., the San Andreas Fault)
A force acting upon or within a mass or rock, expressed in terms of unit weight per surface area
Iron-aluminum nesosilicate common in intermediate to high grade metamorphic rocks (#2 above)
The study of the distribution and probability of earthquakes over time
A feldspathoid mineral that ranges in color from white to blue to violet blue (#4 above)
Area at a convergent plate boundary where an oceanic plate is forced down into the mantle beneath another plate
Clastic sedimentary rock composed of particles between 1/256 and 1/16 mm in diamter
Sediment transport by wind/water currents strong enough to keep the particles continuously above the bed/ground
A very hard isometric Mg-Al oxide gemstone of many colors; often masquerades as ruby or sapphire (#1 above)
Color of a mineral in powder form, often determined by scraping a specimen across a surface of unglazed porcelain
Thinly bedded clastic sedimentary rock that is made up of clay-size (less then 1/256 mm in diameter)
An exstrusive, usually basaltic igneous rock containing many vesicles from trapped gases
Depression in the land surface formed by collapse or settling due to underground solution weathering
A submerged mountain with at least 1000 m of local relief from the seafloor

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