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Articles on Geology

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US Geological Survey, Geoscience Australia

People once lived in a vast region in north-western Australia – and it had an inland sea

Our new study reveals a mosaic of habitable landscapes – now submerged by the ocean – once supported up to 500,000 people living in Australia’s northwest.
Two crystalline materials together: kyanite (blue) embedded in quartz (white). Photo 12/Universal Images Group via Getty Images

How do crystals form?

There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.
Perspective view of a lobate scarp on Mercury named Carnegie Rupes, colour-coded according to surface altitude. The crater near the middle is nearly 40 km across. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

Mercury: shrinking planet is still getting smaller – new research

Mercury has shrunk by7 km. Most of this happened long ago, but now we have evidence that it continues.

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