Plate tectonics From Hypothesis to Theory(2) a century ago geologists puzzled over the fit of the shorelines of africa and south america They noted that fossils of extinct land-bound plants and animals, glacial deposits, and ancient lava flows could be matched together along coastlines that today are thousands of kilometers apart Coal was found in antarctica Coal forms in tropical climates. implying that Antarctica has moved in the past.Plate Tectonics: From Hypothesis to Theory (2) ◼ A century ago geologists puzzled over the fit of the shorelines of Africa and South America. ◼ They noted that fossils of extinct land-bound plants and animals, glacial deposits, and ancient lava flows could be matched together along coastlines that today are thousands of kilometers apart. ◼ Coal was found in Antarctica. ◼ Coal forms in tropical climates, implying that Antarctica has moved in the past