GY 111 L Physical Geology Lab Geological attitudes

GY 111 L Physical Geology Lab Geological attitudes and stratigraphic relationships lab examples.

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

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

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

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 Jfv on top map surface N 35 35 35 Ks Ta Ta Ks 35 Ks Trf Jfv

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 Mp Df

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 Df surface N 35 35 Oc Srm Oc 35 Srm Mp 35 Df

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 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 P Tr K K T Tr K Tr Tr P K T T

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 Srm Jfv Ks Jfv Dc Srm Ks 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 Jfv Ks Ks Jfv Dc Jfv Srm Ks Dc