we simply did not have the lab practices and expertise in order to date these build up therefore the caves got kind of rates of age. So there’s recently been a big movement within the last few five to 10 a very long time when the technological innovation has increased very swiftly which we can do the uranium-lead dating and create a lot more highly accurate palaeomagnetic relationships. So that it’s been fairly a revolution in starting to be capable meeting these websites.
SHANE HUNTINGTONAustralopithecus sediba – could it be the drive ancestor?
ROBYN PICKERINGWell, that is actually close question and so the best answer we are able to offer at this stage is that this length of time of around 2 million a long time happens to be interesting to paleoanthropologists. (more…)