Abstract
An integrated study of the fluid flow, hydrocarbon charge and thermal histories of a suite of traps from the Timor Sea has revealed the presence of a key fluid flow event in the latest Miocene/Early Pliocene. This event, which coincided with, and was driven by, the extensive tectonism and fault reactivation associated with the collision of the Australian and Eurasian plates, involved the flowage of hot (90-120°C), saline (>200,000 ppm) brines (probably from deeply buried Palaeozoic evaporite sequences) up major faults and through the Mesozoic and Tertiary sequences. The passage of these hot brines produced a Late Tertiary (100,000 to 1 million years). In contrast, strongly reactivated, low integrity traps such as East Swan appear to have been breached too quickly (
Published Version
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