biologic origins of patterns in the formation. Continuing support for their geologic origin, following the 2006 publication of her team's results in Nature led to further investigations and Allwood's development of the PIXL technology at the NASA Jet Propulsion Laboratory, for use in confirming her earlier conclusions. Use of PIXL, together with the insight gained into the organic processes that can build geologic formations, are key components of the Mars 2020 Mission. See also List of weather records Pilbara historical timeline Pilbara newspapers Royal Commission into British nuclear tests in Australia Warrawoona Group – in relation to North Pole findings References Further reading Edwards, Hugh Gold dust and iron mountains : Marble Bar & beyond : the story of the Eastern Pilbara Swanbourne, W.A. : H. Edwards, 1993. "Produced by the East Pilbara Shire for the centenary of Marble Bar, 1893–1993". Mining towns in Western Australia Towns in Western Australia Shire of East Pilbara Weather extremes of Earth