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Concretions, Thunder Eggs and Geodes
https://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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Volcanic landforms
https://australian.museum/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://australian.museum/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://australian.museum/learn/minerals/shaping-earth/volcanic-rocks/Volcanic rocks are divided into three main types: basaltic, volcaniclastic and pyroclastic.
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Tektites
https://australian.museum/learn/minerals/shaping-earth/tektites/Tektites are small, pebble-like glassy objects of Earth material that have been melted by meteorite impact, splashed up into our atmosphere, and fallen to Earth again under gravity.
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Igneous intrusions
https://australian.museum/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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Pyroclastic processes and materials
https://australian.museum/learn/dinosaurs/pyroclastic-processes-and-materials/Pyroclastic means 'fire broken' and is the term for rocks formed from fragments produced by volcanic explosions.
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Mineral groups
https://australian.museum/learn/minerals/what-are-minerals/mineral-groups/Minerals can be classified into distinct groups based upon similar atomic structure and/or chemical composition.
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The Solar System
https://australian.museum/learn/minerals/shaping-earth/the-solar-system/The Solar System is dominated by the Sun and the planets that orbit around it.
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Glossary of geoscience terms
https://australian.museum/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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Jurassic World by Brickman
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Burra
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