In an unweathered sample of detrital sedimentary rock, the ratio of an unstable isotope to its stable daughter isotope is 1/15. If no daughters were present at the time the rock cooled below closure temperature, and the half-life of the reaction is 50 million years, how old is the rock?
a. 200 million years
b. 400 million years
c. 750 million years
d. None of the above are correct
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “In an unweathered sample of detrital sedimentary rock, the ratio of an unstable isotope to its stable daughter isotope is 1/15. If no ...” in 📘 Geography if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Name three problems that countries with many cultural regions face
Answers (1)
What percent of Central American income comes from its exports?
Answers (1)
In the beginning, Slaves were brought to British North America for Question 1 options: war with the French. manufacturing work tobacco farming gold and silver mining Save
Answers (1)
State three institutions that deal with human right violations
Answers (1)
1. What type of heat transfer causes the movement of tectonics plates. 2. How do plates move over time 3. Most geologist think that movement of earths plates is caused by
Answers (1)
New Questions in Geography
What environmental problem results from draining oil that had been underground? A:subsidence B:channels C:processing D:conservation
Answers (1)
Why does north Korea think they are superior
Answers (1)
The northern portion of Canada is covered by boreal forests which are characterized by
Answers (1)
Eventually became the capital of Russia
Answers (1)
Which type of earth scientist was most receptive to Wegener's ideas? A. Seismologists (earthquakes and deep earth) B. Petrologists (igneous rocks) C. Geomorphologists (landscape shapes) D. Paleontologists (fossil organisms)
Answers (1)