Palaeoproterozoic to Mesoproterozoic Geology of North Queensland
Palaeoproterozoic to Mesoproterozoic Geology of North Queensland
Palaeoproterozoic to Mesoproterozoic Geology of North Queensland
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Heliman Formation• Muds<strong>to</strong>ne and silts<strong>to</strong>ne, locally carbonaceous; abundantsiliceous silts<strong>to</strong>ne and fine-grained sands<strong>to</strong>ne, commonlywith mudclasts• Deep water???• MDA ~1655 Ma• Minor Archaean- earliest <strong>Palaeoproterozoic</strong> component (8%)