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    Why a big volcanic blow-up at the popular travel destimation Santorini 3200 years ago, but just a few hundred kilometers away, no drama at the volcanoes on Aegina , Methana and Poros islands? Thin sections of the lavas from these four volcanoes yield some of the reasons why. Some minerals only form at greater depths - and the hornblende in the lava from Aegina island indicates that the magma chambers there are deeper than the those underneath the Santorini caldera. But plate tectonics add another, hidden reason also, found research from the University of Johannesburg. Credit: Prof Marlina A. Elburg, University of Johannesburg

    A tale of two kinds of volcanoes

    May 12, 2020
    Applied Geochemistry (2020). DOI: 10.1016/j.apgeochem.2020.104572

    Scientists reveal mineralogical and geochemical characteristics of hydrocarbon-bleached rocks in mud...

    May 12, 2020
    A close-up image showing the damaged head and body of the Dorsetichthys bechei with the arms of the Clarkeiteuthis montefiorei clamped around it Credit: Malcolm Hart, Proceedings of the Geologists' Association

    Fossil reveals evidence of 200-million-year-old ‘squid’ attack

    May 10, 2020
    Turns out, you really can’t believe everything you see in the movies. Credit: University of Wisconsin Oshkosh

    Jurassic Park got it wrong: Research indicates raptors didn’t hunt in...

    May 10, 2020
    Published in PLOS ONE today, a study by an international team from the Perot Museum of Nature and Science in Dallas and Hokkaido University in Japan further explores the proliferation of the most commonly occurring duck-billed dinosaur of the ancient Arctic as the genus Edmontosaurus. The findings reinforce that the hadrosaurs - dubbed "caribou of the Cretaceous" - had a geographical distribution of approximately 60 degrees of latitude, spanning the North American West from Alaska to Colorado. Credit: Masato Hattori

    Arctic Edmontosaurus lives again: A new look at the ‘caribou of...

    May 10, 2020
    Fossilized teeth from the ancient lizard Priosphenodon show that it had durable tooth enamel—a feature much more common in mammals, according to U of A paleontologists. Credit: Aaron LeBlanc

    Ancient reptile had mammal-like tooth enamel, study shows

    May 10, 2020
    Photomicrograph in crossed polars of precious-metal bearing peridotite. Note the optical zoning (light/dark bands) in the plagioclase (grey coloured mineral) in the central part of the image. The occurrence of this zoning was the focus of the study in question. The width of the image frame is 4 mm. Credit: Nat. Geosci. (2020).

    Scientists find evidence of how platinum metals form under 60 million-year-old...

    May 3, 2020
    Life-like reconstruction of Adalatherium hui from the LateCretaceous of Madagascar. Credit: Denver Museum of Nature & Science/Andrey Atuchin.

    Marooned on Mesozoic Madagascar

    May 3, 2020
    The Largest Peridot in the World

    What is The Largest Peridot in the World?

    April 29, 2020
    Peridot

    Peridot : What is Peridot? Where is Peridot found?

    April 29, 2020
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    Nadorite

    June 13, 2014
    Biogeochemical cycles billions of years ago. A complex web of interactions between geological features including volcanoes, subsurface mantle, oceans and the atmosphere created the chemical mixture necessary for early life to oxygenate our atmosphere. ©2025 Watanabe et al. CC-BY-ND

    Are volcanoes behind the oxygen we breathe?

    April 9, 2025

    6,000 years ago the Sahara Desert was tropical, so what happened?

    December 1, 2016
    A mineral map of a cumulate mineral sample.

    How Earth’s mantle is like a Jackson Pollock painting

    May 20, 2019
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