Kontent qismiga oʻtish

Sistema (stratigrafik shkala)

Vikipediya, erkin ensiklopediya

Sistema, geologik sistema — Yer pusti va Yerning organik dunyosi rivojlanishidagi tabiiy bosqichga mos keladigan xalqaro stratigrafik shkalaning asosiy boʻlinmasi. Geologik sistema shakllangan oraliq vaqt geologik davr debataladi. Yerning eng yangi tarixi — fanerozoyda jami 12 geologik sistema mavjud; ularning ketma-ketligi 19-asrning 1-yarmi davomida aniklangan va 1881-yil Bolonye shahrida Xalqaro geologik kongressning 2sessiyasida tasdiklangan (yana qarang Geoxronologiya).




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