NDSU GEOL 106 Final Questions with correct Answers
4 views 0 purchase
Course
NDSU
Institution
NDSU
NDSU GEOL 106 Final Questions with correct Answers
The theory of uniformitarianism is the idea that:
Geologic processes and events of the presents can help to understands Earths past
Refer to Figure 1.5. What is the oldest rock unit in the sequence exposed at Zion National Park?
Cutler fo...
NDSU GEOL 106 Final Questions with
correct Answers
The theory of uniformitarianism is the idea that: - answer Geologic processes and
events of the presents can help to understands Earths past
Refer to Figure 1.5. What is the oldest rock unit in the sequence exposed at Zion
National Park? - answer Cutler formation
Refer to Figure 1.8. How do we know that the layers of sedimentary rocks exposed here
were tilted at angle after they were deposited? - answer Principle of original
horizontality
Which of the following describes a disconformity in a sequence of rocks? - answer A
sedimentary rock deposited above an eroded sedimentary rock with the same bedding
angle
Refer to Figure 1-15. What type of unconformity exists between the Tonto Group and
the Grand Canyon Supergroup rocks? - answer Angular unconformity
Refer to Figure 1-15. How old are the Vishnu Basement Rocks exposed in the Grand
Canyon? - answer 1680-1840 million years old
Which of the following is true for all isotopes of an element? - answer They have the
same number of protons in their nucleus
Which of the following defines the half-life of a radioactive isotope? - answer The
time needed for half the parent isotope to decay to daughter isotopes
Which of the following is a radioactive isotope of carbon? - answer Carbon-14
Dendrochronology (tree-ring dating) can provide numerical ages of materials as old as: -
answer 12,000 years
What are the longest intervals of time on the geologic timescale? - answer Eons
What is the current Era of geologic time? - answer Cenozoic
The two most abundant elements in Earth's crust are: - answer Silicon and Oxygen
Which of the following is NOT a mafic silicate mineral? - answer Quartz
, The oldest crust in an ocean should be found: - answer As far as possible from a
mid-ocean ridge
Characteristics of convergent plate boundaries include: - answer Earthquakes along
the subducting plate
The direction of plate movement over geologic time scales is best indicated by: - answer
The formation of a linear chain of volcanic islands formed by a mantle hot spot
Magnetic stripes are well preserved in ocean crust and represent: - answer Seafloor
spreading and changes in the direction of Earth's magnetic field
A rock made from the shells of small marine animals, including those that form coral
reefs, would be almost completely made of: - answer Carbonate minerals
Conglomerates are rocks composed of: - answer Rock fragments larger than 2 mm
What type of sedimentary rock consists entirely of silt-sized clasts? - answer Siltsone
Which of the following sedimentary structures indicates the direction of current? -
answer Crossbedding
Which of the following sedimentary structures represents periodic drying of the
sediment surface? - answer Mudcracks
In which of the following sedimentary environments can sandstone form? - answer
All except d (deep marine basin)
Which of the following is a transitional sedimentary environment? - answer Beach
Which of the following marine animal parts is most likely to preserved in sediment? -
answer Teeth of a shark
Which of the following is an example of permineralization of a fossil? - answer Filling
of void spaces in buried wood with silicone dioxide (SiO2)
Which of the following characteristics do NOT typify an index fossil? - answer
Combination of soft and hard bodied parts
Which of the following best describes the theory of natural selection? - answer The
individuals in a population best adapted to their specific environment are most likely to
survive and reproduce
Magnetostratigraphy uses changes in the _____________ of Earth's magnetic field to
correlate sequences of sedimentary and igneous rocks. - answer direction
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Pogba119. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
