Exam 11: Earth Materials

Folding accompanied by faulting where slices of rock move over the underlying rock is referred to as:

Rifting is associated with compression associated with folding.

Intrusive igneous rocks are noted for

Compare and contrast the nature and formation of intrusive and extrusive igneous rocks.

A fold that is arch-like and has completely folded over itself is:

The boundary between the North American Plate and the northern portion of the Pacific plate is a:

When magma inserts itself as a thin layer between the strata of existing rocks without disturbing these older layers to any great extent,it is termed a _____________.

Summarize the way that land masses have moved over time from the initial supercontinent,using sketch maps where relevant.

Write an account of the processes involved with the passage of a rock through the rock cycle.

Which of the following statements best describes mafic rocks?

Quartz,biotite and feldspar are all examples of silicate minerals.

____________ is formed from shale that is heated and compressed by mountain-making forces.

The current geologic epoch we are in is called ______________.

Which of the following is associated with a subduction zone?

Which of the following elements is the least abundant in the Earth's crust

Continental shields are comprised entirely of metamorphic rocks.

An example of continental rupture is:

A sedimentary rock that is comprised largely of clays and breaks easily into flakes or plates is a:

Compare and contrast the different types of sedimentary rocks.

Using an annotated sketch map of North America,indicate the surrounding tectonic plates and the nature of the boundaries.