#ringwoodite — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ringwoodite, aggregated by home.social.
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SciTech Chronicles. . . . . . . . .Mar 19th, 2025
#Anchorage #CO2 #SO2 #magma #Nylon-6,6 #fermentation #Electrochemistry #Biorenewable #Bedmap3 #fast-warming #flow #sea-level #aquifers #Seismometers #uplift #subsidence #MTZ #subduction #ringwoodite #wadsleyite
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SciTech Chronicles. . . . . . . . .Mar 19th, 2025
#Anchorage #CO2 #SO2 #magma #Nylon-6,6 #fermentation #Electrochemistry #Biorenewable #Bedmap3 #fast-warming #flow #sea-level #aquifers #Seismometers #uplift #subsidence #MTZ #subduction #ringwoodite #wadsleyite
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At high pressures, fluorine-free topaz is stable: Topaz-OH. It's likely present only on recent Earth in our solar system: water, aluminous sediments (shales; pelites) from continental crust and cold subduction zones are all required.
Given these, Topaz-OH can potentially transport water into the mantle transition zone (where it's stored in #ringwoodite ) Figure from Huang et al (2020).
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#Ringwoodite is a second chance for #Spinel (which lost out to #Vivianite earlier). Ringwoodite has the chemistry of olivine (Mg2SiO4) but the crystal structure of spinel (MgAl2O4).
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Massive ocean discovered beneath the Earth's crust containing more water than on the surface | indy100
https://www.indy100.com/science-tech/ocean-beneath-earth-crust-ringwoodite-2667637606