Exam 13: Mountain Building and Continental Frameworks

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

The ________ are a geologically old mountain range folded and deformed during the Paleozoic.

According to the crustal, gravitational balance idea, which of the following statements is true?

When a subduction zone is established under the edge of a continent, this gives rise to an accretionary wedge, a volcanic arc, and compressional features farther inland that is called ________ margin.

Mountain belts formed in several stages by the opening and closing of the Iapetus Ocean in the Paleozoic, include the ________.

The severed, upper part of a Jurassic seamount might occur as a distinctive, small terrane ________.

What kind of a continental margin would have a staircase-like topographic profile downwards to thick accumulations of shallow water shelf sandstones?

What is the evidence that the interior of North America experienced major subsidence during the Cretaceous?

A(n)________ convergent plate margin is associated with an accretionary wedge.

Most of the continents as we know them today had formed by 3.5 billion years ago.

Name a sedimentary basin formed in response to the erosion of the Appalachians.

What kind of a mountain belt is the Canadian Rockies?

Mountain uplifts can change the course and sediment load of river systems.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Accretionary wedges are formed ________.

Rift valleys with mafic volcanics are ________ margins.

What mechanism is proposed for Cretaceous subsidence of the Canadian and American prairies?

Since the early Mesozoic, the ________ has been passive tectonically.

The Himalayan Mountains and Tibetan Plateau are still rising today as the Indian subcontinent continues to be pressed into Asia by the spreading along the Southeast Indian Ridge.

Soft, easily-eroded strata high in a mountain range would suggest that the mountain building occurred long ago, geologically speaking, like that in the Appalachian region along the eastern margin of North America.