The term geologic structure is a general term. List and define three (3 ) major categories of geological structures and briefly explain how each might have been formed
Folds--Rock layers, when in compression, deform into folds. Folding is permanent. Most folding probably occurs deep in the crust where pressure and temperature are high and rocks are more ductile than they are at or near the surface.
Joints--Under some circumstances rock layers will fold, but if they are brittle they may respond to stress by fracturing. Joints are fractures along which no movement has taken place parallel to the fracture surface. A joint may open up, but the rocks on opposite sides of the fracture do not move up, down, or laterally along the fracture.
Faults--Faults occur when energy is suddenly released, usually as the result of displacement of rocks. On faults, blocks on opposite sides of the fracture move parallel with the fault surface. So, in the case of faults, blocks of rocks move up, down, or along the fracture
surface.
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One reason that sedimentary rocks are important in deciphering Earth history is that they ____
A)contain fossils that are rare or absent in other types of rocks B)reveal the types of volcanoes from which they came C)are the most common type of rock on Earth D)are present at spreading ridges and can help determine the age of the rock present E)are so easily examined and understood
Majors sources of FDI in terms of frequency and dollar amount are
A) startup organizations. B) venture capitalists. C) transnational corporations. D) microfinance. E) fair trade programs.
At the December solstice, the subsolar point is on the ________
Fill in the blank(s) with the appropriate word(s).
What four things must be considered when working with cultural regions?
What will be an ideal response?