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Soils
https://australianmuseum.net.au/learn/minerals/shaping-earth/soils/Soils are made up of three layers and are thickest where they are older and in warm and wet environments.
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Characteristics of sediments
https://australianmuseum.net.au/learn/minerals/shaping-earth/characteristics-of-sediments/Sediments can be classified by their characteristics, which relate to how they have been transported and weathered and how far from their original source they have been deposited.
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Classification of sedimentary rocks
https://australianmuseum.net.au/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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Concretions, Thunder Eggs and Geodes
https://australianmuseum.net.au/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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Volcanic landforms
https://australianmuseum.net.au/learn/minerals/shaping-earth/volcanic-landforms/Each type of volcanic massif (structure) contains lavas, pyroclastic rocks and intrusions, but these differ in proportions and compositions.
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Magma
https://australianmuseum.net.au/learn/minerals/shaping-earth/magma/Magma is hot molten mobile rock. Igneous rocks form when magma cools and solidifies. Magmas come out of active volcanoes as lavas.
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Volcanic rocks
https://australianmuseum.net.au/learn/minerals/shaping-earth/volcanic-rocks/Volcanic rocks are divided into three main types: basaltic, volcaniclastic and pyroclastic.
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Igneous intrusions
https://australianmuseum.net.au/learn/minerals/shaping-earth/igneous-intrusions/Molten magma can invade the Earth's upper layers and then solidify as igneous intrusions.
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Glossary of geoscience terms
https://australianmuseum.net.au/learn/minerals/shaping-earth/glossary-geoscience-terms/Geoscience (also known as earth sciences and geology) is the study of the Earth and includes all non-living parts of our environment, and everything below the Earth's surface. Here are some common geoscience terms explained.
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Metamorphic processes
https://australianmuseum.net.au/learn/minerals/shaping-earth/metamorphic-processes/Most minerals are only stable at particular temperatures and pressures, so changes in these result in the formation of new minerals.