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Radioactive dating
https://australian.museum/learn/minerals/shaping-earth/radioactive-dating/Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.
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Cutting gemstones
https://australian.museum/learn/minerals/gemstones/cutting-gemstones/Faceted gemstones reveal the inherent qualities of a mineral, such as colour (or lack of it), clarity, fire and brilliance, which might otherwise remain hidden.
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Geological origin of gemstones
https://australian.museum/learn/minerals/gemstones/geological-origin-of-gemstones/Gemstones are formed below the Earth's surface and can sometimes show traces of other minerals, called inclusions.
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Valuing gemstones
https://australian.museum/learn/minerals/gemstones/valuing-gemstones/Gemstones are valuable because they are a rare and desirable commodity. They also represent time and labour spent on cutting and presentation.
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Geological ore deposits
https://australian.museum/learn/minerals/geological-deposits/geological-ore-deposits/Geological ore deposits are of many different types and occur in all geological environments.
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Building Materials
https://australian.museum/learn/minerals/geological-deposits/building-materials/Perhaps the most important geological deposits are those that we use for building purposes. These come from all geological environments.
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Where will the next volcano erupt in Australia?
https://australian.museum/learn/news/blog/amri-where-next-volcano-erupt-in-australia/The volcanic future of Australia is revealed.
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Earthquakes and tsunamis
https://australian.museum/learn/news/blog/earthquakes-and-tsunamis/What causes earthquakes and why do tsunamis often follow a large earthquake?
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Types of metamorphism
https://australian.museum/learn/minerals/shaping-earth/types-of-metamorphism/There are several different types of metamorphism, including dynamic, contact, regional, and retrogressive metamorphism, that form and shape rocks.
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Water and sedimentary transport
https://australian.museum/learn/minerals/shaping-earth/water-and-sedimentary-processes/Water plays a vital role in most sedimentary processes. Pure water itself has little effect on rocks. It is the dissolved gases in water, particularly carbon dioxide, that cause the chemical decay of minerals and mineral dissolution.
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Green Hills, NSW
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