Pre-Lab Exercise- Lab 5 Name _________________________

Primary Sedimentary Structures

1) Read the introduction to Lab 2 (p. 2-1 to 2-12) in your lab manual.

2) Define the following terms:

Graded beds

Current Ripples

Wave Ripples

Sole Marks

Mudcracks

Cross Stratification (cross-bedding)

Paleocurrent Analysis

Trace Fossil

Bioturbation