The Geometry of Mining (Leaving Cert DCG): Flashcards
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Mining geometry (def.)
Mining geometry (def.)
Mathematical & graphical analysis of terrain for mining ops
Contour maps represent
Contour maps represent
Lines of equal elevation across landscape
Why contour lines never cross
Why contour lines never cross
One point can't have two elevations
Closer contour lines indicate
Closer contour lines indicate
Steeper slopes
Contour interval (def.)
Contour interval (def.)
Spacing between elevation values
Profile (def.)
Profile (def.)
Cross-sectional view showing elevation changes along a line
Lines to project elevation points
Lines to project elevation points
Perpendicular lines
Line of sight analysis purpose
Line of sight analysis purpose
Determines if one point can be seen from another
How sight line is drawn
How sight line is drawn
Straight line from viewing point to target location
When target is not visible
When target is not visible
Terrain blocks the sight line at any point