Science news articles about 'iron formations'

  • Mega eruption key to iron mystery

    ... research found that mysterious iron formations were deposited at ... reappearance of major iron formations long after the ... , Characterisation and Analysis.Iron formations are unique sedimentary rocks ...
  • On early Earth, iron may have performed magnesium's RNA folding job

    ... rust, forming massive banded iron formations that are still mined today ... between the activity of iron and magnesium structures: more ... anaerobic conditions showed that iron could replace magnesium in ...
  • RNA capable of catalyzing electron transfer on early earth with iron's help, study says

    ... rust, forming massive banded iron formations that are still mined today. ... produced by advanced organisms caused iron to be toxic, even though ... numerical calculations to show that iron, in the absence of ...
  • The Biology Of Iron

    ... made by Tony Stark - iron is ore that comes from ... the banded iron formation in Western Australia. Banded iron is the iron-rich rock ... worldwide, from the proposed iron mine in Northern Wisconsin to ...
  • Life's history in iron

    A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.
  • Core work: Iron vapor gives clues to formation of Earth and moon

    ... led to Earth's formation. They subjected iron samples to high ... iron was vaporized during Earth's formation than previously thought. Iron ... Earth's core formation. "Rather than the iron in the colliding ...
  • Iron rain fell on early Earth, new Z machine data supports

    ... planet formation," shows the shock pressure experimentally required to vaporize iron is ... that instead of core formation occurring by iron sinking down to the ...
  • Geologists revisit the Great Oxygenation Event

    ... chromium isotopes in banded iron formations or the ratio of ... this period called banded iron formations that consist of alternating ... and red rock. Banded iron formations were created episodically from ...
  • Exploding star missing from formation of solar system

    ... an exploding star forced the formation of the solar system. ... looked at another isotope of iron, iron 58. Supernovae produce both ... which confirmed their conclusion that iron 60 was uniformly distributed. ...
  • Prussian blue linked to the origin of life

    ... to the so-called Banded Iron Formations (BIF), the biological or ... to explain the formation of the banded iron in abiotic conditions ... , with the subsequent formation of organic molecules and iron oxides".
  • Toward a systems biology map of iron metabolism

    ... reactions that constitute iron metabolism. Iron is crucial to ... survival. However, iron can also facilitate the formation of oxygen ... a powerful, computer-readable format for describing qualitative and ...
  • Banded rocks reveal early Earth conditions, changes

    ... years ago. Called banded iron formations or BIFs, these ancient ... . Previous hypotheses about band formation involved seasonal fluctuations, temperature ... Xu developed a BIF formation model that offers a ...
  • FSU geochemist challenges key theory regarding Earth's formation

    ... and Temperatures During Core Formation,” that was recently published ... iron-loving” elements, were added to the Earth late in its formation ... geologists’ thinking about core formation, the core’s present ...
  • Lavas from Hawaiian volcano contain fingerprint of planetary formation

    ... planetary scientists more about the formation of crust than they previously ... can now use iron isotopes as fingerprints of magma formation and differentiation ...
  • Iron in primeval seas rusted by bacteria

    ... contributed to the formation of the world's biggest iron ore deposits ... formations billions of years old. They are mainly composed of iron ... of the world demand for iron -- the formations also help us to ...

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