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Author Question: The oldest known terrestrial material (a zircon included in a younger rock) dates back to 4.4 ... (Read 30 times)

K@

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on: Jul 15, 2018
The oldest known terrestrial material (a zircon included in a younger rock) dates back to 4.4 billion years ago. Where is this material located?
 
  A) Dharwar Craton, India
  B) Slave Craton, Alberta, Canada
  C) Jack Hills, Western Australia
  D) Grenville Terrance, United States

Question 2

What is a craton?
 
  A) The highly deformed, leading edge of a continent where subduction is occurring
  B) The oldest part of a continent that has not been significantly deformed for 600 million years
  C) An exotic terrane being accreted to a landmass
  D) A down-dropped graben bounded by normal faults


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orangecrush

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


K@

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Reply 2 on: Jul 15, 2018
Excellent

mohan

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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