Dr Nora Noffke from Old Dominion University in Norfolk and her colleagues have unearthed evidence of complex microbial ecosystems in 3.48 billion year old rocks of the Dresser Formation, Pilbara region. Left: 3.48 billion-year-old macrostructures from the Dresser Formation in Pilbara, Western Australia. Right: possible modern equivalents. Scale bars – 1 cm. Image credit: Nora Noffke et al. “The Pilbara region of Western Australia is...
