Word: erben
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Dates: during 1970-1979
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...Heinrich K. Erben of Bonn University's Institute of Paleontology bases his theory on a treasure trove of dinosaur eggs unearthed near Aix-en-Provence in Southern France. So many fossilized egg fragments were found there that Erben concluded that dinosaurs had used the site as a regular nesting place for thousands of years. Using a scanning electron microscope, he determined that the average thickness of the eggshells in the lower or older layers ranged from 1.7 to 2.6 mm., while the shells in the younger layers were only about half as thick. Such fragile eggs could easily become...