Question

⦁ Interpret the bottom half of the cross section below. Start with the Vishnu Schist and end with the Red wall Limestone.

⦁ Scoring:
Correct order (8 points):
⦁ Proper environmental changes (8 points):
⦁ Attention to detail and completeness (4 points):
Answer:
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(Score for Question 2: ___ of 5 points)
⦁ There is one of each type of unconformity in this diagram. Name at least one of each of them by indicating the layers that they are between.
⦁ Nonconformity:
Answer:
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⦁ Angular unconformity:
Answer:
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⦁ Disconformity:
Answer:
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Symbol Name Environment
Sandstone Beach or nearshore environment
Limestone Forms in warm shallow seas
Shale Deep sea
Igneous Rock (Granite) Formed when rocks melt and then recrystalize
Metamorphic Rock (Schist) Formed when rocks are severely deformed without melting; in this cross section, the Vishnu Schist represents the original surface in the area
Igneous intrusion Magma melting and rising from deeper levels
Hint: How can you tell the difference between an intrusion and rocks melting in place? Rocks melting in place usually appear as a large mass, whereas intrusions seem to have risen up from a source.

Answer 1

answer:The vishnu schist is oldest that is 1.7 billion years old and the redwall schist is youngest. Explanation: The Vishnu schist is the uncovered rocks of the grand canyon vicinity they're formed on the basement location that underlines the bottom limestone. Which are accompanied by way of the Zoroaster granite which is an igneous-plutonic rocks intrusion and became later metamorphosed

Step-by-step explanation: