EARTH SCIENCE
EARTHQUAKES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A downfolded portion of rock layers.
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An upfolded portion of rock layers.
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A word made up by your teacher to trick you ____
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None of the above
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Detailed explanation-1: -Synclines-troughs or down folded rock. Fold axis-the hinge line of an anticline or syncline where rocks change dip from one direction to the opposite direction. Limb-the portion of a fold between an anticline and syncline which dips in the same direction. The limb is between fold axis.
Detailed explanation-2: -In structural geology, a syncline is a fold with youthful layers nearer to the core of the structure. A synclinorium (plural synclinoriums or synclinoria) is a massive syncline with superimposed smaller folds.
Detailed explanation-3: -A fold is a bend in the rock strata. Folding: Is a type of earth movement resulting from the horizontal compression of rock layers by internal forces of the earth along plate boundaries. A upfold are termed as anticlines. The downfolds are termed synclines.
Detailed explanation-4: -: a trough of stratified rock in which the beds dip toward each other from either side compare anticline.
Detailed explanation-5: -An anticline is a fold that is convex upward, and a syncline is a fold that is concave upward.