site stats

Decortication flake

WebSecondary decortication flakes (33%) and interior flakes (56%) were most often selected for retouch or use. A large number of other flakes also exhibit retouch along at least one edge. Because retouch is confined to the flake edges, flake morphology is evident on these tools. Similarly, a few scrapers, characterized by formalized retouch, are ... WebEarly Reduction Flake Flake Fragment Flake Shatter Pressure Flake applied force is directed in a straight line through the core , the preparation of a flat platform is the first stage in the manufacture of a tool. This means that the spherical surface of a stream cobble must be eliminated through decortication to arrive at workable striking ...

THE EARLY ARCHAIC OCCUPATION OF THE LAPHROAIG SITE, …

WebDecortication Flakes (Other Keyword) 1-4 (4 Records) Archeological Investigations of Arches National Park, Utah (1991) DOCUMENT Full-Text Karen Kramer. This report … WebOne small secondary decortication flake with edge preparation. Uniform flake removals along the lateral edge of the dorsal surface. Ventral surface edge preparation failed and … impurity\\u0027s rd https://amadeus-hoffmann.com

Flake - Oxford Reference

WebStudy with Quizlet and memorize flashcards containing terms like Chipped Stone, Crypto-Crystalline Silicates, Silicified Sedimentary Rocks and more. Webdecortication flakes" White 1961:5). The examination of 1,195 primary and secondary flakes of Onondaga chert for cortical surfaces produced one hundred and ninety specimens (15.9%) exhibiting cortex, most being tabular cortex (81%) indicating extraction from or near the outcrop source. Notable is the incidence (19%) of WebThe meaning of DECORTICATION is the act or process of removing the outer coverings (such as bark or husks) from something (such as fiber or seed). How to use … impurity\\u0027s rc

Glacial Till Chert

Category:Preservation Plan Report – Coatings Facility Area - US EPA

Tags:Decortication flake

Decortication flake

ALTICA, COAPEXCO, AND THE ROLE OF MIDDLEMEN IN …

WebJan 1, 1977 · This chapter reviews the analysis of excavations conducted at Bodie Hills in Mono county of California for locating the local trade and exchange patte…

Decortication flake

Did you know?

Websecondary decortication flakes, and (2) bi-facial thinning flakes. The decortication process was defined on the basis of the presence and amount of cortex on the dorsal surface of each flake. If the selected lithic material was nodular, the decortication flakes were thick, slightly concave-convex in long section, and expanding in plan view. If, Websecondary decortication flakes, and (2) bi-facial thinning flakes. The decortication process was defined on the basis of the presence and amount of cortex on the dorsal …

WebUtilized flake analysis: definition of attributes and attribute states. Attributes: (in order in which they were recorded) 1. Blank Description: Refers to one of four gross levels of flake membership (primary decortication, secondary decortication, processual, and retouch) and the condi tion of individual flakes; complete, midsection, prox WebIt is a secondary decortication flake (debitage). The platform has a single facet. The length of the flake is 31 mm; the width, 38 mm; and the thickness, 9 mm. Edge wear is steep, …

WebA decortication flake contains any amount of exterior weathered surface such as an outer cobble section. Cortical flakes are indicative of primary tool manufacture that took place at the site, and suggest the type parent material that was utilized. A … WebOct 1, 2002 · Consequently, describing and identifying this source material is very difficult: (1) if an unmodified surface on a chunk or flake of chert (primary or secondary decortication flake) is available, and (2) if that surface is water worn (battered and rounded), and (3) if that surface displays water deposited iron oxide coatings (limonite), …

WebDecortication is a surgical procedure that removes the restrictive layer of fibrous tissue overlying an organ. It is mostly performed to remove the fibrous layer over the lung, …

WebDistinguishing between those two technologies solely on the basis of decortication flakes would be prohibitively challenging, but it can reasonably be assumed that a high proportion of decortication flakes in the absence of blade production debris would indicate that a site was either (1) solely involved in the process of decortication or (2 ... impurity\u0027s rdWebflakes (30.1 percent). Combined, they account for 79.9 percent of all debitage, yet only 42.7 percent of the weight. Since only one primary decortication flake and one secondary decortication flake were recovered, it is impos - sible to accurately determine whether the cortex is nodular or tabular and, hence, wheth- impurity\\u0027s rbWebIt will begin with an introduction to lithic raw materials, fracture mechanics, and basics of stone toolknapping. It will cover analytical methods associated with core reduction, tool production, debitagestudies, formation processes, use-wear analysis, groundstone studies, and theoretical perspectives on lithics. impurity\\u0027s reWebJan 1, 1985 · Natural regeneration, floristic composition, forest structure, and diversity of all tree species with a DBH ≥ 10 cm were investigated in four sites of a tropical lowland limestone and non-limestone... impurity\u0027s rbWebDecortication was found to result in a significant reduction in the level of fiber, ash, fat and protein in the three sorghum cultivars. The effect of decortication on the nutritive value … lithium ion rv battery bankWebBoth end-struck and corner-struck flakes could be either utilized and irregularly retouched (Fig. 3 b,d) or regularly retouched as a side scraper (Fig. 3 c,e). Five main blank types can be identified: primary block decortication flakes, secondary end-struck flakes, secondary corner-struck flakes, tertiary end-struck flakes of blades, and core ... lithium ion rv batteriesWebPrimary flakes (also called decortication flakes) are large, thick flakes struck off a nodule when removing the cortex and preparing it for working. Secondary flakes (also called … impurity\u0027s re