Results 191 to 200 of about 3,682 (259)

Synthesis of inverse ringwoodite sheds light on the subduction history of Tibetan ophiolites. [PDF]

open access: yesSci Rep, 2018
Bindi L   +5 more
europepmc   +1 more source

Possible sub-arc origin of podiform chromitites

open access: yesPossible sub-arc origin of podiform chromitites
The sub-arc mantle condition possibly favors the formation of podiform chromitites. The Cr/(Cr + Al) atomic ratio (= Cr no.) of their chromian spinel frequently is higher than 0.7. This almost excludes the possibility of their sub-oceanic origin, because both oceanic peridotites and MORB have chromian spinel with the Cr no. < 0.6.
openaire  

Origin of ferrian chromite in metamorphosed podiform chromites: a two-stage process [PDF]

open access: yes, 2011
Castroviejo Bolíbar, Ricardo   +6 more
core  

Subsurface Microbial Colonization at Mineral-Filled Veins in 2-Billion-Year-Old Mafic Rock from the Bushveld Igneous Complex, South Africa. [PDF]

open access: yesMicrob Ecol
Suzuki Y   +13 more
europepmc   +1 more source

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