Geol 102 Quiz 4

The reading says that the author of Principles of Geology and the principal advocate and reinterpreter of Hutton's Principle of Uniformitarianism was

Charles Lyell

granite

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The diagram shows four features with different ages: granite, diorite, gravel and a fault. Notice that there is a large area of diorite, and, besides that, pebbles of diorite are found in the gravel. Notice also that the fault is the straight line cutting across some of the rocks. What is the correct order in which the four features formed?

diorite, gravel, fault, granite

we cannot tell whether rock b is older or younger than the plutonic rock

in this diagram, is rock b older or younger than the plutonic rock

Which principle indicates that sediment extends in all directions until it gradually pinches out or terminates against the edge of a depositional basin?

lateral continuity

When you observe an outcrop of steeply inclined sedimentary layers, which principle allows you to assume that the beds were tilted after they were deposited?

original horizontality

placing events in their correct sequence as determined by their position in the geologic record is:

relative dating

the development of the geologic time scale was based primarrily on:

relative dating techniques

What fundamental principle states that the oldest sedimentary rock layer is on bottom, and the layers get younger as you go up?

superposition

as currently interpreted, Uniformitarianism holds that:

the laws of nature are constant

X

the oldest rock shown in the diagram