最終更新日:2024/07/30
Troctolites are igneous rocks composed mainly of plagioclase feldspar and olivine.
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Troctolites are igneous rocks composed mainly of plagioclase feldspar and olivine.
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Troctolites are igneous rocks composed mainly of plagioclase feldspar and olivine.
Troctolites are igneous rocks composed mainly of plagioclase feldspar and olivine.