Lithic raw materials sources
Web13 apr. 2024 · As a starchy and edible tropical plant, cassava (Manihot esculenta Crantz) has been widely used as an industrial raw material and a dietary source. However, the metabolomic and genetic differences in specific germplasms of cassava storage root were unclear. In this study, two specific germplasms, M. esculenta Crantz cv. sugar cassava … WebThe diverse geological make-up of the circum-Caribbean has resulted in a discontinuous distribution of the natural resources, such as lithics, clays, pottery temper materials, …
Lithic raw materials sources
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Web8 jun. 2024 · It does not require much wisdom to see that the Stone Age was therefore a period of human history when hunting and gathering communities used stone as raw material for making tools. Although it can neither be supported nor refuted that earlier tools could have been made from poor-preserving organic material, it is now known that in … Web3 apr. 2024 · Blades as a component of lithic assemblages hold significant importance to understanding the more recent part of human evolution, particularly with regard to the emergence and adaptations of Homo sapiens. The systematic production of elongated stone blanks provides several advantages, including a longer cutting edge and high efficiency …
Web15 sep. 2016 · We present the results of the study of lithic raw materials used in Upper Palaeolithic occupations preserved in caves, rockshelters and open-air sites from two different geological environments in Portugal. For the sites located in the Lusitanian Basin, flint or silcrete sources are easily available in close vicinity. The Côa Valley sites, … Web14 feb. 2024 · In the past, lithic sources provided hunter-gatherers with raw material and information as well. Differences in optical, physical, mechanical, and geographical …
WebLithic raw material differences are widely assumed to be a major determining factor of differences in stone tool morphology seen across archaeological sites, but the security of this assumption remains largely untested. Two different sets of raw material properties are thought to influence artifact form. WebAmong the sources identified, various volcanic geoforms were distinguished: lava flows (Loma Negra-Puripica), volcanic domes and craters (Jarellón-Laguna Blanca and possibly Machuca-Pelún), maars (Cerro Tujle), ignimbrite flows (Quebrada Zapar and Ignimbrites of Filo Delgado), possible hydrothermal deposits (Salar de Talabre-14 and -18) as well …
Web15 sep. 2024 · In this analysis, 22 sites have been included, each of which presents different proportions of these raw materials in their context, a set that, when analysed in terms of the diversity of each case, generated clear spatial groupings which were ratified by means of a principle component analysis.
Webraw materials/resources; (b) control of the pro duction processes; (c) ownership of the product; (d) organization of the production and distribu tion process; and (e) the social context of con sumption of lithic artifacts. Table 1 shows a tentative list of the variety of raw materials, manufacturing techniques, and uses of lithic resources. on z define * by a*b aWeb13 apr. 2024 · The participants unanimously approved proposition one by endorsing pollution sources in the commercial aviation supply chain during four stages of an aircraft life cycle, from mining and processing raw materials to aircraft manufacturing, flight operations, ground services, and aircraft decommissioning, each of which underlines the … onze11 banc compte businessWebRapid overbank sedimentation was likely a result of the remobilization of loess material deposited on the Yemeni Great Escarpment at the periphery of the adjacent Tihama coastal sand desert or of other sources. Fabric and size analyses of the lithic artifacts, together with spatial projections, indicate site modifications by floods. iowa birth certificate onlineWebOne subproject will determine the compositional characteristics of late pre-colonial and early colonial ceramic and lithic assemblages, and characterise potential raw material sources and provenance areas of finished objects. Particular focus will be laid on transformations in the utilisation of source areas and materials through time. onze 20 ao vivo multishowWebWhite quartz inclusions can form white clouds or bulls eye forms in the material, Banding may be present. Northwestern Ohio: Bayport Limestone formation: Berea Sandstone : Light gray to a buff: Ohio: Waverly Group: Bisher Chert AKA: Highland Chert, Lilley Chert: Ranges in color from a white to yellow including mottled tan and creams ... onz dortmund telefonnummerWeb3 okt. 2007 · The Vaucluse lithic raw material database is being entered into a Geographic Information System (GIS), and future work using the capabilities of the GIS should be … iowa birth certificate application formWebaccurately identify raw material sources have ranged from physical (Biró and Dobosi 1991 and this volume, Chapters 4 and 8) to virtual lithic source guides (Elburg and van der Kroft 2004; Féblot-Augustins et al. 2005). Microscopic and geochemical analyses have permitted attributions to be made with greater confidence and onz dortmund orthopäde