Ductile Deformation Flashcards

1
Q

is the bending or warping of rock strata caused by a compressive stress.

A

Fold

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2
Q

A double flexture connecting strata at one level with the same strata at another level

A

Monocline

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3
Q

An arch shaped fold

A

Anticline

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4
Q

A trough shaped fold

A

Syncline

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5
Q

the two sides or legs of the fold

A

Limbs

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6
Q

the direction of an imaginary line connecting the point of maximum flexture of the fold

A

Axis

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7
Q

an imaginary plane containing all the fold axes within a deformed layer of rock layers

A

Axial plane

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8
Q

The angle of most folds are inclined. The angle of dip of its axis is the ____.

A

plunge

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9
Q

Anticlines and synclines are_______ if tehir limbs have equal dips.

A

symmetrical folds

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10
Q

if one limb is steeper than the other the fold is _____.

A

assymetrical folds

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11
Q

An assymetrical fold in which one limb has been tilted beyond the vertical

A

Overturned fold

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12
Q

A fold in which the axial plane has been overturned

A

Recumbent fold

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13
Q

fold in which the beds on both limbs are nearly parallel, wether upright, overtuned or recumbent

A

Isoclinal fold

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14
Q

Sed rocks covering the interior have been mildly warped into…
_____ circular or elliptal structural or topographic highs in which bed dips away to all directions, when eroded , the oldest rocks are exposed at the center

A

Dome

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15
Q

circular or elliptal structural or topographic lows or downwarps in whic bed dips toward the center; when eroded, the youngest rocks are exposed to the center

A

Basins

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