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Howiesons Poort (also called HP) is a technological and cultural period characterized by material evidence with shared design features found in South Africa, Lesotho, and Namibia.[1] It was named after the Howieson's Poort Shelter archaeological site near Grahamstown in South Africa, where the first assemblage of these tools was discovered.[2] Howiesons Poort is believed, based on chronological comparisons between many sites, to have started around 64.8 thousand years ago and ended around 59.5 thousand years ago.[1] It is considered to be a technocomplex, or a cultural period in archaeology classified by distinct and specific technological materials. Howiesons Poort is notable for its relatively complex tools, technological innovations, and cultural objects evidencing symbolic expression. One site in particular, Sibudu Cave, provides one of the key reference sequences for Howiesons Poort.[3] Howiesons Poort assemblages are primarily found at sites south of the Limpopo River.[2]
While the emergence of this techno-complex is still highly debated, one leading hypothesis postulates that it emerged during a period of harsh environmental conditions and unpredictable landscapes,[4] which may have spurned inhabitants to develop more complex tools and social structures as an adaptive response. Humans of this period as in the earlier Stillbay period showed signs of having practiced symbolic behaviors and having engaged in between-group exchanges of backed tools for the proposed function of solidifying bonds and strengthening social networks.[5]
Many of the tools associated with Howiesons Poort resemble and seemingly anticipate many tool styles that do not appear again until far later in the archaeological record.[6] The succeeding period, the "post-Howiesons Poort", lacks many of the complex technologies that characterize Howiesons Poort. While there is no universally agreed-upon explanation as to why this happened, there are several leading proposed theories, some of which involve shifts in resource availability and foraging strategies.[4]