Reconstruction
At Pinnacle Point, a line of caves and rock shelters near present-day Mossel Bay preserves repeated visits by Middle Stone Age foragers. Cave PP13B records occupation episodes around 162,000, 125,000, 110,000, and 99,000–91,000 years ago. Its oldest deposits contain marine shells carried from the shore, demonstrating purposeful use of intertidal foods during a predominantly glacial period. The evidence does not reveal a permanent coastal settlement or the size of the groups involved; it records intermittent occupations whose intensity changed with climate, sea level, and the distance to the ocean.
Fifteen categories of marine invertebrates were identified in the original PP13B study. Brown mussels were dominant, followed by giant periwinkles and limpets, with smaller quantities of black mussels, white mussels, whelks, chitons, and other shore animals. Their habitats show that collectors visited rocky intertidal zones and, when available, sandy beaches. These foods could be gathered predictably at low tide, but successful collection still required knowledge of tides, shoreline terrain, and where particular species lived. Shell abundance was comparatively low in the earliest occupation, so “systematic” is best understood as deliberate and repeated use rather than intensive midden accumulation.
The shells were transported to the cave and discarded there after the edible tissues were removed. Archaeology does not establish whether the mollusks were eaten raw, opened over a fire, roasted, or cooked by another method. Hearth-related evidence demonstrates fire use at Pinnacle Point, but no direct association proves a particular shellfish recipe. Terrestrial animal remains broaden the dietary record, while proposed reliance on edible Cape underground plants is a scholarly reconstruction supported by regional ecology and plant microremains rather than a complete list of identified meals.
Pinnacle Point also documents experiments with silcrete, a stone whose flaking properties can be improved by controlled heating. A few artifacts from PP13B have been interpreted as evidence that heat treatment appeared by about 164,000 years ago, although that earliest claim is less secure than the abundant evidence from nearby PP5-6. By approximately 72,000–60,000 years ago, heating silcrete before knapping was common there. Experiments and mineral analyses indicate that heating altered the rock and permitted more efficient production of sharp flakes and small tools, potentially useful in hunting and carcass processing, though particular tools cannot automatically be assigned to food procurement.
Pinnacle Point matters because it joins subsistence evidence with technological planning across an exceptionally long sequence. Coastal foods offered a concentrated resource when accessible, while engineered stone shows deliberate transformation of raw material. Neither practice can be traced as an unbroken tradition to modern cuisine. Nevertheless, shellfish gathering remains a major southern African food practice, and the site demonstrates that humans were incorporating intertidal foods into flexible diets far earlier than once recognized.
Historical context
Southern Africa passed from the cool, generally dry Marine Isotope Stage 6 into the warmer Last Interglacial and then renewed glacial conditions. Sea level repeatedly shifted, moving the shoreline toward or away from the Pinnacle Point caves; during the earliest PP13B occupation, the coast may have been roughly 5–6 kilometers away. There were no farms, towns, pottery, or metalworking. Small mobile populations lived by hunting and gathering, while occupation of PP13B was episodic rather than continuous. A dune sealed that cave around 90,000 years ago, after which the local archaeological sequence continued at PP5-6.
Evidence
Archaeological
StrongStratified deposits at PP13B and PP5-6 contain stone artifacts, marine shells, animal remains, pigments, combustion evidence, and occupation surfaces.
Archaeobotanical
LimitedPhytoliths demonstrate plants in the Pinnacle Point deposits and provide environmental and fuel-use information, but they do not yield a secure, comprehensive list of plant foods eaten.
Zooarchaeological
StrongTaxonomically identified marine shells and terrestrial faunal remains directly support exploitation of animal foods, although meat consumption is inferred from archaeological context and taphonomy.
Food identification
StrongBrown mussels, giant periwinkles, limpets, white mussels, and other marine invertebrates have been identified from the shell assemblage; relative abundances vary by occupation.
Dating
StrongSingle-grain optically stimulated luminescence dating identifies distinct PP13B occupation phases around 162,000, 125,000, 110,000, and 99,000–91,000 years ago, with uncertainties appropriate to deep-time dating.
Preparation method
LimitedTransport and consumption of shellfish are well supported, but the evidence does not securely distinguish raw consumption, roasting, steaming, or another opening and cooking method.
ModerateExperimental heating, gloss, thermoluminescence, and magnetic evidence support intentional silcrete heat treatment. The approximately 164,000-year-old occurrence is based on few artifacts, whereas its prevalence around 72,000 years ago is better established.
Geographic attribution
StrongThe excavated caves and shelters are securely located at Pinnacle Point on South Africa's southern Cape coast near Mossel Bay.
Historical interpretation
ModerateDeliberate coastal foraging is strongly supported, but claims about demographic refuge, cognitive modernity, permanent coastal adaptation, or evolutionary advantage remain scholarly interpretations.
Visual reconstruction
InterpretiveReconstructions of people gathering at low tide, cooking shellfish, or heating silcrete in specific fire arrangements are plausible but are not directly observed archaeological scenes.
Sources
- 1.Curtis W. Marean et al. (2007). Early human use of marine resources and pigment in South Africa during the Middle Pleistocene. Nature 449: 905–908. doi:10.1038/nature06204Primary archaeology
- 2.Zenobia Jacobs (2010). An OSL chronology for the sedimentary deposits from Pinnacle Point Cave 13B—A punctuated presence. Journal of Human Evolution 59(3–4): 289–305. doi:10.1016/j.jhevol.2010.07.010Scientific literature
- 3.Antonieta Jerardino and Curtis W. Marean (2010). Shellfish gathering, marine paleoecology and modern human behavior: Perspectives from cave PP13B, Pinnacle Point, South Africa. Journal of Human Evolution 59(3–4): 412–424. doi:10.1016/j.jhevol.2010.07.003Primary archaeology
- 4.Kyle S. Brown, Curtis W. Marean, Andy I. R. Herries, et al. (2009). Fire as an engineering tool of early modern humans. Science 325(5942): 859–862. doi:10.1126/science.1175028Scientific literature
- 5.Curtis W. Marean (2010). Pinnacle Point Cave 13B (Western Cape Province, South Africa) in context: The Cape Floral kingdom, shellfish, and modern human origins. Journal of Human Evolution 59(3–4): 425–443. doi:10.1016/j.jhevol.2010.07.011Modern synthesis
- 6.John K. Murray, Jacob A. Harris, Simen Oestmo, et al. (2020). A new approach to identify heat treated silcrete near Pinnacle Point, South Africa using 3D microscopy and Bayesian modeling. Journal of Archaeological Science: Reports 34: 102622. doi:10.1016/j.jasrep.2020.102622Scientific literature
Limitations
- moderatedate end
The supplied 70,000 BCE endpoint conflates separate Pinnacle Point sequences. PP13B was sealed around 90,000 years ago, while PP5-6 continued from roughly 92,000 to 49,000 years ago and preserves major heat-treatment evidence around 72,000–60,000 years ago.
- moderatedescription
The description places shellfish use and heat-treated stone technology under one broad cave record. Early shellfish evidence comes principally from PP13B; abundant, securely demonstrated heat treatment comes mainly from nearby PP5-6, while the approximately 164,000-year-old PP13B heat-treatment claim rests on a small artifact sample.
- minordescription
Calling the earliest shellfish use 'systematic' may imply intensive harvesting. The oldest PP13B deposits show deliberate marine-resource use, but shell quantities are small compared with later true shell middens.
