文档介绍：Review
Show the homework and note book on your desk
Practise measurement of attitude of planes and lines in the models
RULE OF ‘V’s
RULES OF ‘V’s
Traces of dipping layers that intersect uneven ground or ‘topography’.
Left hand side: Map view of layer in stream valley.
Right hand side: Cross section view of dipping layer.
(after Marshak and Mitra laboratory manual.)
Outcrop patterns illustrating the rule of V’s:
horizontal layer, (b) layer dipping upstream,
(c) vertical layer.
(d)
(e)
(f)
Outcrop patterns illustrating the rule of V’s: (d) layer
Dipping downstream, (e) layer and valley with equal
inclinations,(f) layer dipping downstream at less than valley gradient.
VERTICAL LAYERING INTERSECTING TOPOGRAPHY
Image by S. Reynolds
INTERSECTION OF PLANES WITH TOPOGRAPHY
(RULE OF ‘VS’ AND 3-POINT PROBLEMS)
Image by S. Reynolds
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Interpretation of Geological Map
Geological Map
Title (name of a town or village, or mountains)
Scale (digital and line scales)
Legend (strata, rocks, structures; from younger to
older)
Geological section
Stratigraphical column
Editors
Time
Resource of data
Main part