1. GY111L Physical Geology Lab
Geological attitudes and stratigraphic relationships lab examples.

2. Example 1: Strike & Dip of Bedding.
(B)
(C) 45
270 65 90
270 25 90
270 90
180
180
180
(A)________
000, 65 E
(B)_______
(C)________
000, 25 W
030, 45 NW
(D)
(E)
(F) 33
270 90
270 90
270 90 75
180
180
180
(D)__________
090 –or- 270, 75 S
(E) _______
Horz. (dip=0)
(F)________
300, 33 NE
(G)
(H)
(I) 75
270 90
270 90
270 90 30
180
180
180
(G)_________
(H) ________
(I) _______
060, 90
300, 30 SW OT
330, 75 NE

3. Example 2: Strike & Dip of Bedding
(B)
(C) 55
270 90
270 90
270 90 42 5
180
180
180
(A) 270, 05S
(B) 060, 42SE
(C) 330, 55NE
(D)
(E)
(F) 77
270 90
270 90
270 90 35
180
180
180
(D) 030, 77NW
(E) 315, 35SW
(F) 045, 90
(G)
(H)
(I) 7
270 27 90
270 90
270 90
180
180
180
(G) 360, 27W
(H) 090, 07N OT
(I) Horz. (dip=0)

4. Example 3: Trend and Plunge of Lineation.
(B)
(C) 15 27 85
270 90
270 90
270 90
180
180
180
(A) ________
360, 27
(B) ______
330, 15
(C) _______
030, 85
(D)
(E)
(F)
270 90
270 90
270 90 35
180
180
180
(D) _______
120, 35
(E) ________
060, 0
(F)_______
vert.
(G)
(H)
(I) 45
270 90
270 90
270 90 12 63
180
180
180
(G) ________
210, 63
(H) _______
300, 45
240, 12
(I) _______

5. Example 4: Dipping Strata.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface N Ta Ks 35 Ks
Jfv
Trf

6. Worked Example 4: Dipping Strata.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface N 35 35 35
Jfv Ks Ta Ta Ks 35 Ks
Jfv
Trf

7. Example 5: Dipping Strata.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface N Oc
Srm Oc 35
Srm Df Mp

8. Worked Example 5: Dipping Strata.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface N 35 35 35 Oc
Srm Oc Df
Srm Oc 35
Srm Df Mp

9. Example 6: Strata with topography.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface P |P |P M M D D

10. Worked Example 6: Strata with topography.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface P P |P |P |P M |P |P M M D D

11. Example 7: Dipping Strata with topography.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface P Tr T K

12. Worked Example 7: Dipping Strata with topography.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface P Tr P K P P Tr P T K Tr Tr T K K P K T Tr T T K

13. Example 7: Dipping Strata with unconformity.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface N Dc
Srm
Jfv Ks Ks
Jfv
Srm Dc

14. Worked Example 7: Dipping Strata with unconformity.
Draw contacts on top map surface and add the age symbols to each layer
Place strike & dip symbols in each layer on top map surface Dc N
Srm Dc
Srm
Jfv
Jfv Ks Ks Ks
Jfv
Srm Dc