Changes for the 2^nd Edition (Fall 2023)

All chapters have received edits to the text to improve clarity, grammar, and general mistakes. All links were verified as working.

• Chapter 0
  • Added Exercise 0.6, which introduces more detail on geologic maps; based on Shiprock in New Mexico
• Chapter 1 (formerly Chapter 3)
  • Updated the geologic timescale to the latest edition
  • Added a second option for making a time scale in Exercise 1.1
  • Removed two block diagrams from Exercise 1.3
  • Updated Exercises 1.5, 1.6, and 1.7
• Chapter 2 (formerly Chapter 1)
  • Updated imagery and questions in Excercise 1.3 and added a graph that can be filled out.
• Chapter 3 (formerly Chapter 2)
  • Updated Moh’s hardness figure
  • Updated all flowcharts for minerals, sedimentary, and metamorphic rock identification
  • Added flowchart for igneous rocks
  • Added Exercise 3.12 on mineral evolution
• Chapter 4
  • Added root structures as a type of sedimentary structure
  • Updated instructions for sketching in Exercise 4.2
  • Updates to Exercise 4.3 questions and suggestions in the teaching guide
  • Improved instructions for the questions in Exercise 4.5
• Chapter 5
  • Exercise 5.2 was updated to use sand and pebbles; not all labs are equipped to wet sieve silt and clay from sediment.
  • Exercise 5.6 has been updated and improved
  • Exercises 5.10 and 5.11 were updated with a list of potential environments
• Chapter 6
  • No significant changes
• Chapter 7
  • Removed excessive fossil terminology
  • Exercise 7.5 is just fossil identification now
• Chapter 8
  • Removed tables of how organisms lived, fed, moved, etc.
  • Added a short new exercise (8.3) on the Western Interior Seaway
  • Added a new exercise (8.4) on using foraminifera for paleowater depth
• Chapter 9
  • Re-arranged the order of exercises
• Chapter 10
  • Clarified wording throughout Exercise 10.3
• Chapter 11
  • Removed Exercise 11.1 as it is no longer the correct scientific understanding
  • Refining of text and questions in remaining exercises