talker on MSN3 个月
Rock formation in Australian outback could hold climate change clues
An unusual rock formation deep in the Australian outback could hold key clues to climate change. Iron-rich nuggets found ...
BBC2 年
Life on Mars? Australian rocks may hold clues for Nasa rover
Rocks in the Australian Outback dating back 3.5 billion ... They're the oldest yet discovered, part of the Dresser Formation in the Pilbara region of the Outback and are dated to 3.48 billion ...