Plants changed the chemistry of magmas
Researchers used isotopes in magmatic minerals to demonstrate that continental magmas altered globally around 450 million years ago…
Tag: oxygen isotopes
When did freshwater appear on Earth?
Geologists found chemical ratios in ancient minerals that suggested Earth had freshwater 550 million years after it formed.
What’s making Earth’s atmosphere drier?
Scientists investigated humidity patterns in tree rings across Europe to test whether recently drier air is natural or caused by global…