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Comprehensive Plate Tectonics, Logic, Radioactivity, and Probability Assignment

An assignment on plate tectonics, logic, radioactivity, and probability in the context of geology.

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Comprehensive Plate Tectonics, Logic, Radioactivity, and Probability AssignmentShow all of your work. Maximum possible points: 501.Plate Tectonics(8 pts)A new chain of islands is discovered, with a high frequency of volcanic activity. Fourhypotheses are proposed to explain the cause of the volcanic activity.H1: The islands are found on a convergent boundary.H2: The islands are found on a divergent boundary.H3: The islands are found on a transform boundary.H4: The islands are found on a hotspot.a.(2 pts)Which of the four hypotheses could be ruled out immediately as thecause of the volcanic activity? Why?The hypothesisH3 could be ruled out, because transform boundaries are placeswhere pates merely slide past each other and do not tear or crunch each other.So,volcanic activities are not seen often on a transform boundary.b.(6 pts)For each of the other three hypotheses, find one other piece ofphysicalevidence(earthquake,elevation, volcanic,age of ocean floor, or other) thatcould be used as evidence to support the hypothesis above the remaininghypotheses. Explain your answers.1)A convergent boundary, also known as a destructive plate boundary, isan actively deforming region where two (or more) tectonic plates orfragments of lithosphere move toward one another and collide. As aresult of pressure, friction, earthquakes and volcanoes are commonnear convergent boundaries supporting the hypothesis H1.2)Adivergentboundary(alsoknownasaconstructiveboundaryoranextensional boundary) is a linear feature that exists between twotectonicplatesthat are moving away from each other.Divergent boundaries also formvolcanic islandswhich occur when the plates move apart to produce gapswhich molten lava rises to fill. This supports the hypothesis H2.3)Hot spots are fixed places within the mantle or oceanic lithosphere,where rocks melt to generate magma. When a hotspot is situated in theoceaniclithosphereaclassofvolcanoesisbuilt,supportingthehypothesis H4.

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