Multiple Choice
If an isotope has a half-life of 50 million years and an 1/8 of the sample remaining consists of that isotope, the age of the rock from which it was taken is:
A) 400 million years.
B) 300 million years.
C) 150 million years.
D) 800 million years.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q10: What are the three types of unconformities,
Q11: What are the three types of radioactive
Q12: Uranium 234 to thorium 230 dating of
Q15: The process of placing geologic events in
Q16: The half-life of a radioactive element is
Q17: All of the long-lived parent-daughter isotope pairs
Q18: What is the principle of lateral continuity?
Q19: What is the principle of original horizontality?
Q28: The half-life of a radioactive element is
Q46: The principle of _ states that rock