نتایج جستجو برای: greenstone
تعداد نتایج: 587 فیلتر نتایج به سال:
Journal:
:Geomaterials
2020
Journal:
:Mineralium Deposita
2001
Journal:
:Ore and Energy Resource Geology
2019
Journal:
:Journal of Geochemical Exploration
2015
Journal:
:Revista Brasileira de Geociências
2007
Journal:
:Geology
2021
Abstract The deep upper mantle is the main source of high-temperature magmatism, but only known naturally occurring samples high-pressure constituents are mineral inclusions in diamonds. Trace elements olivine crystals from 3.33 Ga Commondale Greenstone Belt South Africa reveal that these formed as phenocrysts, and some perhaps even transition zone (410–600 km) where they began wadsleyite. were...
Journal:
:Revista Brasileira de Geociências
2006
Journal:
:Proceedings of the National Academy of Sciences
2015
Journal:
:Precambrian Research
2021
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