Elands Bay Cave is a small coastal rock shelter formed in quartzite that contained up to ca. 3 m of anthropogenic and geogenic deposits with archaeological materials dating to the Middle Stone Age through Later Stone Age. Today, only the lower portion of the sedimentary sequence, comprising ca. 1.2 m of sediment remains. A geoarchaeological study of the remaining deposits was undertaken in conjunction with renewed excavations of the site (2010–2012).
A ground penetrating radar survey revealed that the excavation area targeted the deepest portion of the sedimentary infill within the rock shelter. Furthermore, micromorphological analyses of the remaining Middle and Later Stone Age deposits indicate that combustion features are present. Fourier transform infrared spectroscopy and x-ray diffraction measurements were used to identify secondary minerals, including taranakite, hydroxylapatite, gypsum, variscite, ardealite, opal, and whitlockite.
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