Image: Map of Sydney with Mesozoic and Triassic layers

Map of Sydney with Mesozoic and Triassic layers

How Sydney may have looked over 100 million years ago (if Google provided a map from the Permo-Carboniferous, Triassic and Mesozoic periods): a volcano at Narrabeen beach, insects with 30cm wingspans in Brookvale, Labyrinthodonts in St Peters and the verdant soils of Penrith and beyond.

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