section_path: Theories of natural delimitation between the Atlantic and Pacific oceans
section_name: Theories of natural delimitation between the Atlantic and Pacific oceans
paragraph_text: Theories of natural delimitation between the Atlantic and Pacific oceans
  
  Scientific researchers have proposed delimiting the boundary between the Atlantic and Pacific oceans by two different natural boundaries, by the Shackleton Fracture Zone and by the Scotia Arc the former being more current than the latter.