how did the jack hills zircon crystal help our understanding of earths history? these crystals are from 4.2…

how did the jack hills zircon crystal help our understanding of earths history? these crystals are from 4.2 billion years ago, and give us evidence of earths early conditions these crystals are from year, and show us how new crystals are still forming we have no way to figure out how old these crystals are, so they are useless to us

how did the jack hills zircon crystal help our understanding of earths history? these crystals are from 4.2 billion years ago, and give us evidence of earths early conditions these crystals are from year, and show us how new crystals are still forming we have no way to figure out how old these crystals are, so they are useless to us

Answer

Brief Explanations:

The Jack Hills zircon crystals are ancient, dating back about 4.2 billion years. They provide valuable evidence about Earth's early - stage conditions such as temperature, water presence, etc. They are not about new crystal formation and are not useless as their age can be determined through radiometric dating techniques.

Answer:

These crystals are from 4.2 billion years ago, and give us evidence of Earth's early conditions