Kronologi hunian prasejarah di Gua Braholo dan Song Keplek, Gunung Sewu

Gua Braholo and Song Keplek are two of the some caves, which have been intensively excavated since 1990's. The research result shows that both caves were occupied by the prehistorically human before the pleistocene was over. The chronology of occupancy in this area was started from the eldest (Paleolithic) to the youngest one (Paleometallic) which were separated into six periods :Baksosa, Terus, Tabuhan, Keplek, Gupuh and Klepu. In the Gunung Sewu context, the occupancy in Gua Braholo and Song Keplek were went on from Tabuhan periode, continued to Keplek periode and Gupuh periode as the occupancy in the early Neolithic. The expansion from periode to period be tend to gradual, there was no "repture" to be seen.