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Iron oxide copper gold (IOCG) deposits are considered to be metasomatic expressions of large crustal-scale alteration events driven by intrusive activity. The deposit type was first recognised by discovery and study of the supergiant Olympic Dam copper-gold-uranium deposit (Olympic Dam mine), and South American examples.
Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer [2]. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, [3] the Latest Permian extinction event, [4] the End-Permian extinction event, [5] [6] and colloquially ...
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The architecture is characterized by monumental structures, built with large stone blocks, lintels, and solid columns. Funerary monuments included mastaba , tombs of rectangular form; pyramids , which included step pyramids ( Saqqarah ) or smooth-sided pyramids ( Giza ); and the hypogeum , underground tombs ( Valley of the Kings ).
Supercritical water was first used in 2012 to synthesize copper and nickel-based MOFs in just seconds. [33] In 2020, supercritical carbon dioxide was used in a continuous flow reactor along the same time scale as the supercritical water-based method, but the lower critical point of carbon dioxide allowed for the synthesis of the zirconium-based ...