Stratigraphic-structural-paleoclimatic controls of the newly discovered iron ore deposits of Western Australia

✍ Scribed by Bruno Campana

• Publisher: Springer
• Year: 1966
• Tongue: English
• Weight: 565 KB
• Volume: 1
• Category: Article
• ISSN: 0026-4598
• DOI: 10.1007/bf00203975

✦ Synopsis

Until a few years ago the Australian iron-ore reserves were estimated to about 300 million t. The recent discoveries of extensive stratified iron deposits in the Hamersley Range, West Australia, raised this estimate to 15-20,000 million t. --The mineralization was controlled in a threefold manner, i.e., *traligrapldcal (the productive horizon forms the base of the Brockman formation), slrmtural (the iron enrichment took place in synclinal structures) and paleodimatic (the iron deposits are related to an old land surface of probable Miocene age). --The absence of any metamorphism, granitisation or plutonic action supports the hypothesis of a residual origin of the deposit.