Geos 241 Historical Geology

Geos 241 Historical Geology
Test #2 Review
Know the differences between the different types of unconformities
What are time-stratigraphic units?
What are the different types of fossilization processes?
What are trace fossils?
What are casts and molds?
What are fossils?
Explain transgressions and regressions
Who are Wm. Smith, Cuvier, Sedgwick, Murchison, Hutton, Darwin, Lamark, Linnaeus?
What are index fossils?
What is the definition of paleontology, stratigraphy?
What is a facies?
What is Walther’s Law?
What is superposition, correlation?
What are formations, members, systems, stages, groups?
What is the difference between relative and radiometric ages?
What are the 3 major depositional environments and some minor environments and their
characteristic lithofacies? Be sure you can identify different environments and the sedimentary
deposits associated with them.
What are varves?
What is micrite?
What are graded beds and turbidity currents?
Be able to identify some sedimentary structures and their uses in interpreting sedimentary
What’s the difference between beds and laminae?
What are mutations?
What is a species?
What is gradualism? What is punctuated equilibrium?
What is parallel evolution, convergent evolution?
What are homologous structures?
What is speciation?
What is taphonomy? Taxonomy?
What is the Linnean classification?
What is evolution?
Explain natural selection
Explain dominant vs. recessive characteristics
What is DNA?
What is mitosis? Meiosis?