Ako vznikla ropa?
Viete ako vznikla ropa? V hlbokých moriach sa v minulosti nahromadil planktón zložený z morských rastlín a živočíchov unášaných vodou. Táto organická hmota sa postupne premenila na uhľovodíky. Tam, kde uhľovodíky prikryli nepriepustné ílové horniny, zachovali sa ložiská ropy a zemnho plynu. Zväčša je to v oblasti šelfových morí v šírke okolo 200 km a hl´bke do 200 m. Presvečte sa o tom na hospodárskej mape.
Viac ropy nájdete vo fotogalérii Všeličo:
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