lower/middle paleozoic - exam 3 Flashcards
1
Q
the cambrian period is distinguished by
A
trilobites and the sandstone deposits of epicontinental seas
2
Q
the early paleozoic era marked the
A
end of snowball earth in late cambrian
3
Q
by the late cambrian, what had covered most of north america?
A
sauk sea
4
Q
sauk sea regressed during the early ordivician, revealing
A
a landscape of low relief
5
Q
after the sauk sea regressed, the remaining rocks were
A
mostly limestones
6
Q
how do we know how continent location changed with time?
A
divergent margin, basalt lava flows, basin formation, dating rocks, fossils, depositional environment
7
Q
devonian era marked
A
first trees and large land plants
8
Q
the acadian orogeny is also referred to as
A
the devonian collision
9
Q
the devonian collision formed part of the
A
appalachian mountains
