Attempt to date early South african hominids by using fission tracks in calcite.

@article{Macdougall1974AttemptTD,
  title={Attempt to date early South african hominids by using fission tracks in calcite.},
  author={D Macdougall and P. Buford Price},
  journal={Science},
  year={1974},
  volume={185 4155},
  pages={943-4}
}
Calcite crystals extracted from marrow cavities of bones found in hominid-bearing breccias from Makapansgat and Swartkrans were studied for fossil tracks. The absence of the expected numbers of tracks in these and in calcites from Beds I and II, Olduvai Gorge, combined with the results of laboratory heating experiments, indicates that track annealing has… CONTINUE READING