Search Results - "Langejans, Geeske H. J."

Modelling and measuring complexity of traditional and ancient technologies using Petri nets by Fajardo, Sebastian, Kleijn, Jetty, Takes, Frank W, Langejans, Geeske H J

“…Technologies and their production systems are used by archaeologists and anthropologists to study complexity of socio-technical systems. However, there are…”
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Podocarpaceae and Cupressaceae: A tale of two conifers and ancient adhesives production in South Africa by Chasan, Rivka, Veall, Margaret-Ashley, Baron, Liliana Iwona, Aleo, Alessandro, Kozowyk, Paul R. B, Langejans, Geeske H. J

“…Research on ancient adhesives from the South African Stone Age is expanding, driven by excellent preservation conditions of adhesives and the potential to…”
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Scaling Palaeolithic tar production processes exponentially increases behavioural complexity by Kozowyk, Paul R. B., Fajardo, Sebastian, Langejans, Geeske H. J.

“…Technological processes, reconstructed from the archaeological record, are used to study the evolution of behaviour and cognition of Neanderthals and early…”
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Measuring ancient technological complexity and its cognitive implications using Petri nets by Fajardo, Sebastian, Kozowyk, Paul R. B., Langejans, Geeske H. J.

“…We implement a method from computer sciences to address a challenge in Paleolithic archaeology: how to infer cognition differences from material culture…”
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Identifying Palaeolithic birch tar production techniques: challenges from an experimental biomolecular approach by Kozowyk, Paul R. B., Baron, Liliana I., Langejans, Geeske H. J.

“…The intentional production of birch bark tar by European Neanderthals as early as 190,000 years ago plays an important role in discussions about the…”
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Reply to: Problems with two recent Petri net analyses of Neanderthal adhesive technology by Fajardo, Sebastian, Kozowyk, Paul R. B., Langejans, Geeske H. J.

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The dynamic lives of osseous points from Late Palaeolithic/Early Mesolithic Doggerland: A detailed functional study of barbed and unbarbed points from the Dutch North Sea by Aleo, Alessandro, Kozowyk, Paul R B, Baron, Liliana I, van Gijn, Annelou, Langejans, Geeske H J

“…Osseous barbed and unbarbed points are commonly recovered from the Dutch North Sea and other Mesolithic sites of northern Europe. Interpreted as elements of…”
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Middle Paleolithic complex technology and a Neandertal tar-backed tool from the Dutch North Sea by Niekus, Marcel J. L. Th, Kozowyk, Paul R. B., Langejans, Geeske H. J., Ngan-Tillard, Dominique, van Keulen, Henk, van der Plicht, Johannes, Cohen, Kim M., van Wingerden, Willy, van Os, Bertil, Smit, Bjørn I., Amkreutz, Luc W. S. W., Johansen, Lykke, Verbaas, Annemieke, Dusseldorp, Gerrit L.

“…We report the discovery of a 50,000-y-old birch tar-hafted flint tool found off the present-day coastline of The Netherlands. The production of adhesives and…”
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Modelling and measuring complexity of traditional and ancient technologies using Petri nets by Sebastian Fajardo, Jetty Kleijn, Frank W Takes, Geeske H J Langejans

“…Technologies and their production systems are used by archaeologists and anthropologists to study complexity of socio-technical systems. However, there are…”
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REPLY TO SCHMIDT ET AL: Interpretation of Paleolithic adhesive production: Combining experimental and paleoenvironmental information by Kozowyk, Paul R. B., Langejans, Geeske H. J., Dusseldorp, Gerrit L., Niekus, Marcel J. L. Th

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Remains of the day-preservation of organic micro-residues on stone tools by Langejans, Geeske H.J.

“…Here I report on the decay processes of microscopic organic residues left on stone tool surfaces after their use. Residue analysis on ancient stone tools…”
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Discerning use-related micro-residues on tools: testing the multi-stranded approach for archaeological studies by Langejans, Geeske H.J.

“…In this paper I explore how post-depositional contaminants and non-use related ancient residues may be distinguished from use-related residues directly…”
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Middle Stone Age pièces esquillées from Sibudu Cave, South Africa: an initial micro-residue study by Langejans, Geeske H.J.

“…In this paper I present the results of a micro-residue study conducted on ten pièces esquillées (scaled pieces) from Sibudu Cave, South Africa. These artefacts…”
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Understanding preservation and identification biases of ancient adhesives through experimentation by Kozowyk, Paul R. B., van Gijn, Annelou L., Langejans, Geeske H. J.

“…Adhesive production is one of the earliest forms of transformative technology, predating ceramics and metallurgy by over 150,000 years. The study of the…”
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Correction to: Understanding preservation and identification biases of ancient adhesives through experimentation by Kozowyk, Paul R. B., van Gijn, Annelou L., Langejans, Geeske H. J.

“…The original version of this article, unfortunately, contained errors. Author found out that there is an error in the funding declarations of the article…”
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Middle Stone Age shellfish exploitation: Potential indications for mass collecting and resource intensification at Blombos Cave and Klasies River, South Africa by Langejans, Geeske H.J., van Niekerk, Karen L., Dusseldorp, Gerrit L., Thackeray, J. Francis

“…Middle Stone Age (MSA) shellfish remains were studied for indications of changes in subsistence adaptations. Optimal Foraging Theory was applied to the MSA…”
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MICRO-RESIDUE ANALYSIS ON EARLY STONE AGE TOOLS FROM STERKFONTEIN, SOUTH AFRICA: A METHODOLOGICAL ENQUIRY by LANGEJANS, GEESKE H.J.

“…I report here on a micro-residue study of Early Stone Age artefacts from Sterkfontein, South Africa. A total of 33 artefacts was analysed. One part of the…”
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Modelling and measuring complexity of traditional and ancient technologies using Petri nets by Fajardo, Sebastian, Kleijn, Jetty, Takes, Frank W, Langejans, Geeske H. J

“…PLOS ONE. 2022;17(11): e0278310 Technologies and their production systems are used by archaeologists and anthropologists to study complexity of sociotechnical…”
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TERRESTRIAL GASTROPODS FROM BLOMBOS CAVE, SOUTH AFRICA: RESEARCH POTENTIAL by LANGEJANS, GEESKE H.J., DUSSELDORP, GERRIT L., HENSHILWOOD, CHRISTOPHER S.

“…The Pleistocene is characterised by a variable climate and precipitation regimes that were periodically subjected to drastic changes (e.g. Shackleton 1982;…”
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Complicating the debate: Evaluating the potential of gas-chromatography-mass spectrometry for differentiating prehistoric aceramic tar production techniques by Chasan, Rivka, Baron, Liliana Iwona, Kozowyk, Paul R.B., Langejans, Geeske H.J.

“…Birch bark tar was used extensively throughout human history. While later ceramic-based production technologies are known, prehistoric aceramic techniques…”
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