GEOL 1404 Fall 2010

Final Exam Review - Part I

Comprehensive Review Topics - Approximately 25% of the final examination will cover the following concepts:

1. Domains and kingdoms of life and the differences between them

2. Distinction between body and trace fossils

3. Conditions favoring fossil preservation

4. Characteristics of good index fossils, with examples from the Phanerozoic Eon

5. Major differences between Precambrian and Paleozoic organisms

6. First appearance and ancestors for multicellular life, fishes, land plants, amphibians, reptiles,

mammals, and birds

7. Dominant early, middle, and late Paleozoic, Mesozoic and Cenozoic reef-building organisms

8. Timing and potential causes for mass extinctions during earth history

9. Relationship between geologic time periods and time-rock systems

10. General methodology for relative and radiometric dating

11. Causes and impact of changes in the amount of oxygen and carbon dioxide in the atmosphere

12. Use of oxygen isotopes to interpret paleoclimate

13. Changes in the chemistry of the oceans during Earth history

14. Timing, evidence for, and impact of major continental glaciations during Earth history

15. Formation and break-up of supercontinents during Earth history

16. Types of geologic evidence for ancient subduction zones and orogenies

17. Major types of sedimentary deposition in the Paleozoic epicontinental seas in North America

18. General steps involved in the scientific method

Topics Since the Last Midterm Exam - - Approximately 75% of the final exam will cover concepts and key terms listed below and on the second review sheet.

Geologic Timescale

1. Periods for the Mesozoic and Cenozoic Eras

2. Five epochs of the Tertiary Period used in North America

3. Two epochs of the Cenozoic Era used in Europe

Field Trip (Guidebook and notes)

1. Walnut Formation

a. Rock types and source(s) of the sediment

b. Diversity of fossil types and their significance

c. Depositional environment

d. Origin and significance of celestine crystals

2. Eagle Ford Formation

a. Rock type and types of fossils

b. Depositional environment

3. McKown Formation (Austin Group)

a. Rock type and source(s) of the sedimentary grains

b. Significance of the graded bed of altered volcanic rock fragments

c. Depositional environment

4. Nature, timing, and origin for Pilot Knob volcanism

5. Balcones Fault Zone

a. Type and orientation of the faults

b. Associated geologic structures

6. Major geographic features associated with the Early Cretaceous (Walnut Formation) and Late Cretaceous (Del Rio Formation., Buda Formation, Eagle Ford Formation, Austin Group) paleogeography of Texas

Chapter 16 - Early Mesozoic Era

1. Deposits produced by microorganisms in early Mesozoic seas

2. Dominant types Triassic and Jurassic land plants

3. Dominant early Mesozoic marine invertebrate animals, including reef builders

4. Two major groups of dinosaurs - the ways that they can be told apart and their lifestyles

5. Evolution of Triassic and Jurassic reptiles with examples of convergent and adaptive radiation

6. Basic differences between reptiles and mammals

7. Evolution of birds

8. Timing, tectonic features, and rock types associated with the breakup of Pangaea

9. Nature of Triassic and Jurassic sedimentation in the eastern and western United States

10. Evidence for Triassic and Jurassic climatic conditions in western North America

11. Nature and timing of the Sonoma and Nevadan orogenies

12. Stratigraphic formations associated with the Nevadan subduction zone, forearc basin, and

magmatic arc

13. Cause for the return of epicontinental seas to the North American craton in the Jurassic

Key Terms

ammonoid foreland basinornithischian

Archaeopteryxgas hydratePangaea

Chinle Formationhexacoralpterosaur

coccolith Louann Saltsaurischian

cycad methanesauropod

dinoflagellate Morrison Formation therapsid

dinosauromorphNavaho Sandstonetheropod

endothermic and ectothermic Nevadan orogenySonoma orogeny

exotic terranes Newark GroupSundance Sea

Chapter 17 - The Cretaceous World

1. Three most important groups of photosynthetic marine plankton

2. Invertebrate groups that diversified during the Cretaceous Period

3. Location and origin of Cretaceous chalks

4. Reasons that angiosperms have been more successful than gymnosperms

5. Significance of Cretaceous flying reptiles

6. Difference between Cretaceous and Holocene bird faunas

7. Characterize Cretaceous mammals

8. Location and timing of major Cretaceous seas

9. Sedimentation differences between eastern and western sides of the Western Interior

Seaway

10. Characteristic Cretaceous sedimentation on the Atlantic and Gulf Coastal Plains, Western

Interior Seaway and West Coast of the conterminous U.S.

11. Continents that separated from Gondwanaland during Cretaceous time

12. Timing and cause for the highest Phanerozoic sea-level stand

13. Relationship between seawater chemistry, marine shell composition, and sea-floor spreading

14. Nature of and evidence for Cretaceous climate

15. Cause(s) for the widespread distribution of Cretaceous black shale

16. Evidence for, location, and probable effects of an asteroid impact at the K-T boundary

17. Major groups of organisms that became extinct at the end of the Cretaceous Period

18. Location, timing and plate tectonic causes for the Sevier orogeny

Key Terms

angiosperm iridium anomalyNiobrara Chalk

Chicxulub impact structure K-T boundaryrudist

Cordillera magnesium-calcium ratioSevier orogeny

diatommicrospheruleshocked grains

duck-billed dinosaurmososaurTethys Seaway

foraminiferaMowry SeaWestern Interior Seaway

Franciscan mélange

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