It is condensed section with shells, downlap surface and ravinement surface that constitute the critical boundaries in dividing the system tracts of Matuo Formation.
含有介壳的凝缩段、下超面及沟蚀面是划分玛托组体系域的关键界面。
It is condensed section with shells, downlap surface and ravinement surface that constitute the critical boundaries in dividing the system tracts of Matuo Formation.
含有介壳的凝缩段、下超面及沟蚀面是划分玛托组体系域的关键界面。
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