Description : Spirit Cave (Thai: ถ้ำผีแมน, Tham Phii Man) is an archaeological site in Pang Mapha district, Mae Hong Son Province, northwestern Thailand. It was occupied 12,000 to 7,000 uncalibrated radiocarbon years ago by prehistoric humans of the Hoabinhian culture. Human presence at the site is documented from the Upper Paleolithic to the early Neolithic, but the primary occupation layers represent Hoabinhian hunter-gatherers. Plant domestication Gorman claims that the Spirit Cave included remains of Prunus (almond), Terminalia, Areca (betel), Vicia (broadbean) or Phaseolus, Pisum (pea) or Raphia lagenaria (bottle gourd), Trapa (Chinese water chestnut), Piper (pepper), Madhuca (butternut), Canarium, Aleurites (candle nut), and Cucumis (a cucumber type) in layers dating to around 9,800 to 8,500 years BCE. None of the recovered specimens differed from their wild phenotypes. He suggested that these may have been used as foods, condiments, stimulants, for lighting and that the leguminous plants in particular "point to a very early use of domesticated plants". He later wrote that "Whether they are definitely early cultigens remains to be established... What is important, and what we can say definitely, is that the remains indicate the early, quite sophisticated use of particular species which are still culturally important in Southeast Asia". In 1972 W.G. Solheim, as the director of the project of which Spirit Cave was part, published an article in Scientific American discussing the finds from Spirit Cave. While Solheim noted that the specimens may "merely be wild species gathered from the surrounding countryside", he claimed that the inhabitants at Spirit Cave had "an advanced knowledge of horticulture". Solheim's chronological chart suggests that "incipient agriculture" began about 20,000 years BCE in Southeast Asia. He also suggests that ceramic technology was invented at 13,000 years BCE although Spirit Cave does not have ceramics evident until after 6,800 years BCE. Although Solheim concludes that his reconstruction is "largely hypothetical", his overstatement of the results of Gorman's excavation has led to inflated claims of Hoabinhian agriculture. These claims have detracted from the significance of Spirit Cave as a site with well-preserved evidence of human subsistence and palaeoenvironmental conditions during the Hoabinhian. Lithics Gorman discussed cultural levels with respect to lithic artifacts and identified two layers at Spirit Cave. Course-grained quartzite was the most abundant stone found in both layers. The remains included large unifacially worked pebble cores aka sumatraliths, grinding stones, and retouched/utilized flakes. Cultural level two consisted of new types of artifacts including flaked and polished quadrangular adzes and small ground/polished slate knives. He used the findings at Spirit Cave to argue the notion that the Hoabinhian culture was a techno-complex due to a response to similar ecological adaptations.
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