sentences:  The approximate date of the statue (the third quarter of the 5th century BC) was confirmed in the rediscovery (1954–58) of Phidias' workshop, approximately where Pausanias said the statue of Zeus was constructed.Archaeological finds included tools for working gold and ivory, ivory chippings, precious stones and terracotta moulds.Most of the latter were used to create glass plaques, and to form the statue's robe from sheets of glass, naturalistically draped and folded, then gilded.