You find a chunk of granite that you conclude, via radiometric dating, is 3.2 billion years old. The granite also contains inclusions of quartzite. Which of the following is a reasonable conclusion based on this data?
W) The quartzite likely formed less than 3.2 billion years ago
X) Because the quartzite is contained in the granite, it also formed 3.2 billion years ago
Y) The quartzite likely formed more than 3.2 billion years ago
Z) The sandstone from which the quartzite came is likely older than 3.2 billion years, but the quartzite itself is younger than that
✔️Answer:Y) THE QUARTZITE LIKELY FORMED MORE THAN 3.2 BILLION YEARS AGO
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.