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Continental drift is no longer academic, but is important to the oil business as exploration moves increasingly to offshore areas and to remote parts of the world. This field of study meets 2 requirements of petroleum geology: it explains certain known situations, and predicts others that are yet unknown.
Certain features of the Atlantic continental margin are clarified when the evolution of that ocean is understood. Predictions then can be made about the ages of rock and kinds of structures to be expected beneath other parts of the North Atlantic continental shelves.
Integration of submarine and terrestrial geology helps to clarify the relations between geologic features of the marine and continental realms. Examples of areas where integration of submarine and terrestrial geology is possible, are in Arctic Canada, where continental drift is in an arrested stage of development.
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