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Patrick Schmidt (ORCID:0000-0002-8727-6127)
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Heat treatment in the South African Middle Stone Age: temperature induced transformations of silcrete and their technological implications
P Schmidt, G Porraz, A Slodczyk, L Bellot-Gurlet, W Archer, CE Miller
Journal of Archaeological Science 40 (9), 3519-3531, 2013
1622013
Crystallographic and structural transformations of sedimentary chalcedony in flint upon heat treatment
P Schmidt, S Masse, G Laurent, A Slodczyk, E Le Bourhis, C Perrenoud, ...
Journal of Archaeological Science 39 (1), 135-144, 2012
1252012
The MSA sequence of Diepkloof and the history of southern African Late Pleistocene populations
G Porraz, JE Parkington, JP Rigaud, CE Miller, C Poggenpoel, C Tribolo, ...
Journal of Archaeological Science 40 (9), 3542-3552, 2013
1172013
A previously undescribed organic residue sheds light on heat treatment in the Middle Stone Age
P Schmidt, G Porraz, L Bellot-Gurlet, E February, B Ligouis, C Paris, ...
Journal of human evolution 85, 22-34, 2015
812015
What causes failure (overheating) during lithic heat treatment?
P Schmidt
Archaeological and Anthropological Sciences 6, 107-112, 2014
732014
Birch tar production does not prove Neanderthal behavioral complexity
P Schmidt, M Blessing, M Rageot, R Iovita, J Pfleging, KG Nickel, ...
Proceedings of the National Academy of Sciences, 2019
722019
Detailed FT near-infrared study of the behaviour of water and hydroxyl in sedimentary length-fast chalcedony, SiO 2, upon heat treatment
P Schmidt, A Badou, F Fröhlich
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 81 (1 …, 2011
722011
Why Was Silcrete Heat-Treated in the Middle Stone Age? An Early Transformative Technology in the Context of Raw Material Use at Mertenhof Rock Shelter, South Africa
P Schmidt, A Mackay
PloS one 11 (2), e0149243, 2016
712016
A shape to the microlithic Robberg from Elands Bay Cave (South Africa)
G Porraz, M Igreja, P Schmidt, JE Parkington
Southern African Humanities 29, 203–47, 2016
702016
Early Evidence for the Extensive Heat Treatment of Silcrete in the Howiesons Poort at Klipdrift Shelter (Layer PBD, 65 ka), South Africa
A Delagnes, P Schmidt, K Douze, S Wurz, L Bellot-Gurlet, NJ Conard, ...
PloS one 11 (10), e0163874, 2016
682016
Detecting and quantifying heat treatment of flint and other silica rocks: a new non‐destructive method applied to heat‐treated flint from the Neolithic Chassey culture …
P Schmidt, V Léa, P Sciau, F Fröhlich
Archaeometry 55 (5), 794-805, 2013
672013
The investment in time needed for heat treatment of flint and chert
P Schmidt, C Paris, L Bellot-Gurlet
Archaeological and Anthropological Sciences 8, 839-848, 2016
512016
Moganite detection in silica rocks using Raman and infrared spectroscopy
P Schmidt, L Bellot-Gurlet, V Léa, P Sciau
European Journal of Mineralogy 25 (5), 797-805, 2013
462013
A comparative study of the thermal behaviour of length-fast chalcedony, length-slow chalcedony (quartzine) and moganite
P Schmidt, A Slodczyk, V Léa, A Davidson, S Puaud, P Sciau
Physics and Chemistry of Minerals 40, 331-340, 2013
462013
A hitherto unrecognised band in the Raman spectra of silica rocks: influence of hydroxylated Si–O bonds (silanole) on the Raman moganite band in chalcedony and flint (SiO2)
P Schmidt, L Bellot-Gurlet, A Slodczyk, F Fröhlich
Physics and Chemistry of Minerals 39 (6), 455-464, 2012
432012
Temperature dependent crystallographic transformations in chalcedony, SiO 2, assessed in mid infrared spectroscopy
P Schmidt, F Fröhlich
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 78 (5 …, 2011
422011
The mechanical properties of heat-treated rocks: a comparison between chert and silcrete
P Schmidt, G Buck, C Berthold, C Lauer, KG Nickel
Archaeological and Anthropological Sciences, 2018
412018
Update on the 2011 excavation at Elands Bay Cave (South Africa) and the Verlorenvlei Stone Age
G Porraz, VC Schmid, CE Miller, C Tribolo, CC Cartwright, ...
Southern African Humanities, 33–68, 2016
362016
Le silex du Bergeracois: état de la question
P Fernandes, A Morala, P Schmidt, MR Seronie-Vivien, A Turq
Quaternaire Continental d’Aquitaine: Un Point Sur Les Travaux Récents …, 2012
342012
Detailed near-infrared study of the ‘water’-related transformations in silcrete upon heat treatment
P Schmidt, C Lauer, G Buck, CE Miller, KG Nickel
Physics and Chemistry of Minerals, 2016
312016
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