STUDY SHEET ö TOPICS COVERED ON MIDTERM 2

1. Weathering (Chap 5)
1. Chemical vs. Mechanical ö examples of each, what controls rate of weathering
2. Products of weathering ö dissolved ions, clay, etc.
3. Soil ö basic structure, transportation and deposition processes

2. Sedimentary Rocks (Chap 6)
1. Detrital vs. Chemical sediments and basic types of sedimentary rocks
2. How sediments change during transport (near or far source)
3. Environments in which sedimentary rocks form
4. Sedimentary structures (ripples, graded bedding, mudcracks, etc.)
5. Be able to read a facies diagram

3. Metamorphic Rocks (Chap 7)
1. Causes (temperature, pressure, etc) and types of metamorphism (contact, regional, etc.)
2. Texture (foliation) and composition of the rocks
3. Types of metamorphic rock (slate, phyllite, schist, gneiss, quartzite, marble)
4. Be able to read a facies diagram

4. Geologic Time (Chap 8)
1. Relative vs. Absolute time
2. Basic principles of relative dating (superposition, cross-cutting, etc.)
3. Unconformities and correlation
4. Radiometric dating (how it works, half lives, types of decay, examples, etc.)
5. Basics geologic time scale (know the basic units and how it is divided up)

5. Deformation (Chap 9)
1. Types of stress and strain (examples & how they are associated with plate boundaries)
2. Strike and dip
3. Folds (syncline, anticline, dome and basin)
4. Joints and Faults ( normal, reverse, strike-slip, etc.(know hanging vs. foot wall))

Hints

1. Know how to identify types of weathering and correlation between types of sedimentary rock formation.

2. Know how to identify sedimentary and metamorphic rocks using a rock identification chart.

3. Study the geologic time lab and know how to place geologic events in relative order. Know the basic divisions of the Geologic Time Scale(Eons, Eras, Periods, Epochs)

4. Suggestion ö make chart listing the types of plate margins and the types of associated stresses and types of deformation.

5. RELAX