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  • Water and sedimentary transport
    https://australianmuseum.net.au/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.

    Published 11 February 2009
    geological processes geoscience earth sciences Earth and Environmental Science geology
  • 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.

    Published 19 March 2012
    geological processes geoscience earth sciences Earth and Environmental Science geology
  • 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.

    Published 02 June 2009
    geological processes geoscience earth sciences Sydney Earth and Environmental Science geology
  • 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.

    Published 11 February 2009
    geological processes geoscience earth sciences Earth and Environmental Science geology
  • The Molong Meteorite – a visitor from outer space.
    https://australianmuseum.net.au/learn/news/blog/the-molong-meteorite-a-visitor-from-outer-space/

    A story about a meteorite from the central west of NSW that has been part of the Australian Museum collection for 83 years.

    Published 13 October 2017
    geology blog meteorite
  • Oliver Chalmers – Curator of Minerals
    https://australianmuseum.net.au/about/history/people/oliver-chalmers-curator-of-minerals/

    The promising lad who became a highly regarded geologist.

    Published 21 May 2015
    archives minerals mineralogy geology people
  • 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.

    Published 24 December 2009
    geological processes geoscience minerals mineralogy minerals gallery earth sciences Earth and Environmental Science geology
  • 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.

    Published 26 October 2015
    geological processes geoscience earth sciences Earth and Environmental Science geology
  • Meteors and Meteorites
    https://australianmuseum.net.au/learn/minerals/shaping-earth/meteors-and-meteorites/

    Solid pieces of extraterrestrial debris (meteoroids) can stray from their orbits in outer space and be captured by Earth's gravity.

    Published 19 March 2012
    space geoscience earth sciences Earth and Environmental Science geology
  • Looking inside the Earth
    https://australianmuseum.net.au/learn/minerals/shaping-earth/looking-inside-the-earth/

    The internal structure of the Earth consists of three main parts, the crust, mantle and core. The division between the crust and the mantle is called the Moho.

    Published 12 November 2018
    geological processes geoscience earth earth sciences Earth and Environmental Science geology
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