Skew Boreholes (Leaving Cert DCG): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the term 'skew' mean when referring to skew boreholes?
What does the term 'skew' mean when referring to skew boreholes?
The boreholes are not parallel
Which measurement represents the horizontal direction of a rock layer?
Which measurement represents the horizontal direction of a rock layer?
Strike
What does dip measure in geological analysis?
What does dip measure in geological analysis?
The angle of inclination of a stratum
How is strike found using skew boreholes?
How is strike found using skew boreholes?
Connect points at same geological level
In what direction must you view to see the true dip angle?
In what direction must you view to see the true dip angle?
Perpendicular to the strike
What is the relationship between apparent dip and true dip?
What is the relationship between apparent dip and true dip?
Apparent dip true dip
Which step involves marking where boreholes intersect the geological stratum?
Which step involves marking where boreholes intersect the geological stratum?
Step 4
Why are auxiliary views essential in skew borehole analysis?
Why are auxiliary views essential in skew borehole analysis?
They reveal true measurements
What does true dip represent?
What does true dip represent?
Maximum angle of inclination
How is thickness of a geological layer calculated?
How is thickness of a geological layer calculated?
Perpendicular distance between surfaces