Exam 10: Early Paleozoic Earth History

Relatively stable, immobile parts of continents that form the foundation on which Phanerozoic sediments were deposited are ____.

The presence of a reef indicates which kind of past environment?

The Cambrian sedimentary deposits of the Grand Canyon represent a regressive sequence.

Discuss the publication of the world's first geologic map. Who published it? What area did it cover? What was the purpose of this map?

Erosion of the Taconic Highlands resulted in the development of a(n) ____________________ called the ____________________.

During the Paleozoic Era, cratons were covered with large bodies of water called epeiric seas.

Each of the major continents at the beginning of the Paleozoic can be divided into two major components, a(n) ____.

Sequence boundaries are bounded by ____ and formed during ____.

The stable nucleus of a continent consisting of a Precambrian shield and a platform of buried ancient rocks is a(n) ____.

The ____________________ orogeny in Europe is a mirror image of the Taconic and Acadian orogenies in North America.

_____________________ ___________________ is an important tool in geology because it allows geologists to subdivide sedimentary rocks into related units that are bounded by time-stratigraphically significant boundaries.

Limestone structures constructed in the marine environment by some skeletal material of living organisms are ____.

William Smith created the world's first geologic map.

The eastern margin of North America has always been a passive continental margin.

Why are Mesozoic and Cenozoic paleogeographic reconstructions more accurate than reconstructions for earlier time intervals?

During a transgressive sequence, sedimentary facies migrate toward the ocean.

The four Paleozoic cratonic sequences, in order from oldest to youngest, are Tippecanoe, Sauk, Kaskaskia, and Zuni.

The ____ Ocean opened along a ____ plate boundary between Laurentia and Baltica.

The Grand Canyon formed due to ____.

Silled basins are thought to be the site of deposition of thick ____ deposits.