Which specific mineral grains were essential for precisely dating the Yarrabubba impact event?
Answer
Zircons
The precise age was determined by studying zircons found within the impact melt rocks, which act as a reliable geologic clock due to their resistance to structural change.
Related Questions
What is the current title holder for the oldest known impact structure on Earth?Approximately how old is the confirmed impact event at the Yarrabubba structure?Which structure previously held the title of the oldest confirmed impact event on Earth?Despite not being the oldest, what distinction does the Vredefort structure currently hold?Which specific mineral grains were essential for precisely dating the Yarrabubba impact event?The dating technique used on Yarrabubba zircons relies on the decay rate of which element into lead?What is the estimated diameter of the impactor that created the Yarrabubba structure?What primary geological processes constantly erase evidence of ancient impact craters on Earth?The 3.5-billion-year-old Yarrabubba impact is placed squarely in which geological era?How is the currently detectable evidence of the Yarrabubba structure different from its original form?