GY111L Physical Geology Lab

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GY111L Physical Geology Lab

Presentation transcript:

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

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

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)

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) _______

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

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

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

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

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

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

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

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

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

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