1. GY111 Geological Map Exercise
Geological Attitudes & 3D Block Diagram Interpretation

2. Problem 1: Strike & Dip of Bedding.
(A)
(B)
(C)
270 45 90
270 45 90
270 90 55
180
180
180
(A)________
(B)_______
(C)________
(D)
(E)
(F) 15
270 90
270 90
270 90 33
180
180
180
(D)________
(E) _______
(F)________
(G)
(H)
(I) 75
270 90
270 90
270 90 30
180
180
180
(G)_________
(H) ________
(I) _______

3. Problem 2: Strike & Dip of Bedding
(A)
(B)
(C)
270 90
270 90
270 90
180
180
180
(A) 090, 34S
(B) 030, 12SE
(C) 330, 05NE
(D)
(E)
(F)
270 90
270 90
270 90
180
180
180
(D) 060, 07NW
(E) 300,35SW
(F) 030, 90
(G)
(H)
(I)
270 90
270 90
270 90
180
180
180
(G) 360, 77E
(H) 270, 17N OT
(I) Horizontal (dip=0)

4. Problem 3: Trend and Plunge of Lineation.
(B)
(C) 05 65
270 90
270 90
270 90 15
180
180
180
(A) ________
(B) ______
(C) _______
(D)
(E)
(F)
270 90
270 90
270 90 40
180
180
180
(D) _______
(E) ________
(F)_______
(G)
(H)
(I) 72
270 90
270 90
270 90 23 55
180
180
180
(G) ________
(H) _______
(I) _______

5. Problem 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 Ps
Trf
Jfv Ks 35 Ks
Jfv
Trf Ps

6. Problem 5: Non-plunging folds.
Place strike & dip symbols in each layer on the top map surface.
Add any relevant anticline/syncline axial trace symbols on the top map surface.
Complete the sides of the diagram including the age symbols. N Jo
Trx Pa
Trx Jo Kp Ta Kp Jo
Trx

7. Problem 6: Non-plunging folds.
Place strike & dip symbols in each layer on the top map surface.
Add any relevant anticline/syncline axial trace symbols on the top map surface.
Complete the sides of the diagram including the age symbol. N So Da Mx Da So Og So Da Mx

8. Problem 7: Domes/Basins
Place strike & dip symbols in each layer on the top map surface.
Complete the sides of the diagram including the age symbols. Di Os Sa Di
-Co N
p-C
-Co Di Os Mr Sa

9. Problem 8: Plunging Folds.
Place strike & dip symbols in each layer on the top map surface.
Add any relevant anticline/syncline axial trace symbols on the top map surface.
Complete the sides of the diagram including the age symbol.
Trg Po Jo N
Kpl Ta Q
Kpl

10. Problem 9: Plunging and Overturned Folds.
Place strike & dip symbols in each layer on the top map surface.
Add any relevant anticline/syncline axial trace symbols on the top map surface.
Complete the sides of the diagram including the age symbol. Ta Qa N
Kpk Ta Jo
Kpk
Trx Jo Jo
Trx P1

11. Problem 10: Faulting.
Fault Classification:____________________________
Draw contacts and place strike & dip symbols in each layer on the top map surface. Add age symbols to each layer.
Add any relevant fault information such as HW/FW, U/D and displacement arrows to top.
If needed add displacement arrows to the side-view. N
Tra 40 Qi To Ka Jp 60 Jp
Tra Ka
|Pa Pp
|Pa
If needed add anticline/syncline axial trace symbols Pp