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Metamorphism
https://australianmuseum.net.au/learn/minerals/shaping-earth/metamorphism/The word metamorphism comes from Greek and means 'change of form'. Metamorphic rocks are pre-existing rocks whose mineral composition and/or texture has been changed by processes within the Earth.
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The Sydney Basin
https://australianmuseum.net.au/learn/minerals/shaping-earth/the-sydney-basin/The Sydney Basin is a major structural basin containing a thick Permian-Triassic (290 Ma - 200 Ma (million years old)) sedimentary sequence that is part of the much larger Sydney-Gunnedah-Bowen Basin.
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Metamorphic rocks
https://australianmuseum.net.au/learn/minerals/shaping-earth/metamorphic-rocks/Metamorphic rocks form because of changes in temperature and depth of burial within the Earth in a solid state without actual melting.
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What are minerals?
https://australianmuseum.net.au/learn/minerals/what-are-minerals/Minerals are an integral part of the structure of the Earth. Explore what minerals are, and how they are made, how they are identified and what they are used for. Look at the specific chemical and physical properties of minerals.
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Shaping the Earth
https://australianmuseum.net.au/learn/minerals/shaping-earth/What makes the Earth unique? Where does it fit in the Solar System and, ultimately, the universe? Take a look inside the Earth and find out what it is made from and how it is structured. Look at the processes that shape the Earth.
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Geological deposits and resources
https://australianmuseum.net.au/learn/minerals/geological-deposits/Geology is an important part of our economy and industry.
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Crystallography
https://australianmuseum.net.au/learn/minerals/what-are-minerals/crystallography/Minerals can be identified by the shape of their crystals: called crystallography. External crystallography measures the outside properties of crystals such as length of crystal surfaces and the angles between these surfaces.
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The universe
https://australianmuseum.net.au/learn/minerals/shaping-earth/the-universe/The universe can be defined as the whole of existing things from the scale of sub-micron to outer space.
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Lavas
https://australianmuseum.net.au/learn/minerals/shaping-earth/lavas/One of the products of volcanic eruptions is lava. Lavas vary widely in composition depending upon their original source magma.
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Plate Tectonics
https://australianmuseum.net.au/learn/minerals/shaping-earth/plate-tectonic-processes/Since the 1950s, several discoveries have led to a new understanding of how the Earth works.