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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Townley Formation• Muds<strong>to</strong>ne, silts<strong>to</strong>ne, locally carbonaceous; minor finegrainedsands<strong>to</strong>ne, commonly with rip-up clasts• Deep water?• MDA ~1649 Ma• Diminishing Archaean- earliest <strong>Palaeoproterozoic</strong>component (27%)• Contact with Lane Creek Formation unremarkable; noobvious unconformity201816Townley Formation2007169005All; n=6614Number12108mda = 1649 ± 5 MaRelative probability64201500 1700 1900 2100 2300 2500 2700 2900Age (Ma)