Quiz 10- Ch 7 Flashcards
1
Q
bedrock
A
solid rock that underlies the grounds surface
2
Q
outcrop
A
bedrock is exposed (not obscured by soil and loose boulders)
3
Q
strike
A
the compass direction of a rock layers as it intersects with a horizontal surface
4
Q
dip
A
measured at right angles to the strike, is simply the amount of tilting- the angle at which the rock layer inclines from the horizontal
5
Q
Geologic maps
A
two dimensional representations of the rock formations exposed at Earth’s surface
6
Q
geologic cross sections
A
diagrams showing features that would be visible if vertical slices were made through part of the crust
