Answer the flooding general questions about the Grand Canyon using Figure 9-1V T
ID: 160246 • Letter: A
Question
Answer the flooding general questions about the Grand Canyon using Figure 9-1V TaWc 9-1 and the of relative dating What type of unconformity is Between the Vishnu Schist and the Grand Canyon Series? What type of unconformity is between the Grand Canyon Senes and the Cambrian? Ordovician and Silurian rocks are missing from the Grand Canyon An eroded and discontinuous layer of limestone represents Devonian (Temple Butte Limestone) rocks What type of uncooform*y is between the Cambrian and the Devonian? Use the geologic time scale presented m this labs readings in conjunction with this diagram to estimate the unconformity's duration Estimate its duration m munitions of years Is the Zoroaster Granite younger than the Vishnu Schist?Explanation / Answer
1.
Answer: The Greatest Angular Unconformity had occurred in between Vishnu Schist and Grand Canyon Series.
2.
Answer: The Great Unconformity had occurred in between the Grand Canyon Series and Cambrian.
3. Diagram not clearly visble, so un able to answer.
4.
Answer: Yes, the Zoroaster Granite is stratigraphically lower than Vishnu Schist, but it is younger than the Vishnu Schist
Reason: An intrusion occurs due to high pressure and temperature below the Vishnu Schist, due to this Zoroaster Granite had solidified below Vishnu Schist.