GEOLOGY

EARTH SCIENCE

EARTHQUAKES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
rocks that arch upwards to form a cirlcular structure are called what?
A
basin
B
dome
C
synicline
D
monocline
Explanation: 

Detailed explanation-1: -Anticlines are formations that have folded rocks upward. When rocks arch upward to form a circular structure, that structure is called a dome.

Detailed explanation-2: -When rocks arch upward to form a circular structure, that structure is called an adome. A syncline is a fold that bends downward, causing the youngest rocks are to be at the center and the oldest are on the outside.

Detailed explanation-3: -dome, in geology, any large or elliptical structure formed by the fractureless upwarping of rock strata. It is a type of anticline that lacks clear-cut elongation and that slopes outward in all directions from the highest point.

Detailed explanation-4: -An upward fold is called an anticline, while a downward fold is called a syncline. In many areas it’s common to find a series of anticlines and synclines (as in Figure 12.5), although some sequences of rocks are folded into a single anticline or syncline.

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