GEOLOGY

EARTH SCIENCE

EARTHQUAKES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is anticline?
A
A downfolded portion of rock layers.
B
An upfolded portion of rock layers.
C
A word made up by your teacher to trick you ____
D
None of the above
Explanation: 

Detailed explanation-1: -Anticlines are folded rock formations that have an upwards convex shape. This means that anticlines look like a lowercase “n” or an uppercase “A” (“A is for Anticline” is a common phrase for remembering the shape of anticline). They form from layers of rock that were originally horizontal and relatively flat.

Detailed explanation-2: -An anticline is a fold that is convex upward, and a syncline is a fold that is concave upward. An anticlinorium is a large anticline on which minor folds are superimposed, and a synclinorium is a large syncline on which minor folds are superimposed.

Detailed explanation-3: -Anticline is an upward, curved fold in the layers of rock in the earth’s surface. They form when rocks are compressed by plate-tectonic forces. They can be as small as a hill or as large as a mountain range.

Detailed explanation-4: -: an arch of stratified rock in which the layers bend downward in opposite directions from the crest compare syncline.

Detailed explanation-5: -The anticline is composed of a series of sandstone rock beds and an impermeable rock cap under which vast reserves of oil and gas are trapped.

There is 1 question to complete.