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Classification of sedimentary rocks
https://dev.australian.museum/learn/minerals/shaping-earth/classification-of-sedimentary-rocks/Sedimentary rocks are classified according to the predominant grain size present, as well as by their mineral content.
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Metamorphism
https://dev.australian.museum/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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Geological ore deposits
https://dev.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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Earthquakes and tsunamis
https://dev.australian.museum/learn/news/blog/earthquakes-and-tsunamis/What causes earthquakes and why do tsunamis often follow a large earthquake?
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Shaping the Earth
https://dev.australian.museum/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://dev.australian.museum/learn/minerals/geological-deposits/Geology is an important part of our economy and industry.
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Lavas
https://dev.australian.museum/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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Concretions, Thunder Eggs and Geodes
https://dev.australian.museum/learn/minerals/shaping-earth/concretions-thunder-eggs-and-geodes/Concretions are compact, often rounded, accumulations of mineral matter that form inside sedimentary rocks such as shale and sandstone or in soil.
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Limestone caves
https://dev.australian.museum/learn/minerals/shaping-earth/limestone-caves/Caves form in limestone (calcium carbonate), and occasionally in dolomite (calcium magnesium carbonate), when water containing dissolved carbon dioxide (carbonic acid) seeps into rock crevices and joints.
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Structure of volcanoes
https://dev.australian.museum/learn/minerals/shaping-earth/structure-of-volcanoes/Although volcanoes are often seen as being destructive they are also constructive. They add more land to the surface of the Earth and, when weathered, provide us with a nutrient-rich soil for agriculture.
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Tails from the Coasts
Special exhibition
On now![]()
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Burra
Permanent education space
10am - 4.30pm![]()
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RELICS
Special Exhibition
Opens 16 August 2025 -
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Minerals
Permanent exhibition
Open daily![]()
