When Folding Occurs, Rocks Situated in the Hinges (On the Axes)of

question 91

Multiple Choice

When folding occurs, rocks situated in the hinges (on the axes) of the folds are ________.

• A)crushed and compressed to make them atypically dense and tight
• B)elongated and pulled apart to produce tensional joints and greater fracture porosity
• C)plastically deformed and extruded down the flanks of the folds
• D)sheared out parallel to the fold limbs

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