It is estimated that at least 1,400 Gt of carbon is in this form just in (and under) the submarine permafrost of the Siberian Shelf.Carbon is a major component in very large masses of carbonate rock (limestone, dolomite, marble and so on).. 
Nenu ni ó jẹ́ èkejì nínú àwọn ẹ̀fúùfù aṣọwọ́n mẹ́tẹ̀ẹ̀ta tó jẹ́ ràra, ó sì jẹ dídámọ́ kíákíá bíi Elimẹ́ńtì tuntun nítorí ìgbàjà-àwọ̀ itúsíta pupa rẹ̀.. 