1492662
Description
Flashcards by Mr Francis, updated more than 1 year ago
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Created by Mr Francis
about 11 years ago
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| Question | Answer |
| What type of forces create folds? | Compressive |
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What is the name of this type of fold?
Image:
Anticline (image/png)
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Anticline |
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What is the name of this type of fold?
Image:
Syncline (image/png)
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Syncline |
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What is the upward point of a fold called (A)?
Image:
Fold_Parts (image/png)
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Crest |
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What is the downward part of a fold called (B)?
Image:
Fold_Parts (image/png)
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Trough |
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What is the name for the rocks between the top and bottom of a fold (red)?
Image:
Fold_Parts (image/png)
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Limb |
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What is the angle from the horizontal called (blue)?
Image:
Fold_Parts (image/png)
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Dip |
| The horizontal line found 90 degrees from the maximum dip is called... | Strike |
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The imaginary line through the centre of a fold is called the...
Image:
Fold_Axis (image/png)
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Fold Axis (Fold Axes - Plural) |
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Folds with limbs dipping at the same angle described as...
Image:
Symmetrical (image/png)
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Symmetrical |
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Folds with limbs dipping at different angles are described as...
Image:
Asymmetrical (image/png)
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Asymmetrical |
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When one limb gets turned over, the fold is called an...
Image:
Overfold (image/png)
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Overfold |
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Folds with steeply dipping limbs are described as...
Image:
Angular (image/png)
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Angular |
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Folds with a gradual change in dip at the crest/trough are described as...
Image:
Rounded (image/png)
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Rounded |
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Folds with steeply dipping limbs are described as...
Image:
Tight (image/png)
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Tight |
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Folds with gently dipping limbs are described as...
Image:
Open (image/png)
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Open |
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The oldest rocks in an anticline are...
Image:
Anticline (image/png)
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In the centre. |
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The oldest rocks in a syncline are ...
Image:
Syncline (image/png)
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On the edges. |
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