flaked stone projectile point impact fractures

Raw material impact strength and flaked stone projectile ...

Raw material impact strength and flaked stone projectile point performance. Byl Bryce. Chris Loendorf. Theodore J. Oliver. ..., preferred direction of fracture (Shackley, 2005:185). ... Lynn, 2015b. Flaked-stone projectile point serration: a controlled Plateau. Archaeology Southwest, Tucson. experimental study of blade margin design. ...

Flaked Stone Projectile Point Impact Fractures.

MISCELLANEOUS PROJECTILE POINTS WITH IMPACT FRACTURES FLAKED STONE PROJECTILE POINT IMPACT FRACTURES. Stone tools are often identified by their wear patterns. Archaeologists refer to this area of study as "use wear analysis." Some tools are more easily identified than others, especially those that were heavily used.

area, FLAKED LITHIC TOOLS FROM RECENT …

flaked stone assemblages. Among these late sites formal tools are generally restricted to small ~ed . prOjectile pOints, while large points and other well­ two shaped, intensively worked flaked stone tools are per . rare or absent. The artifact assemblages generally kes . appear to be composed of locally available cobble . sed

Prehistoric Stone Tools Categories and Terms

 · Arrowheads / Projectile Points: Most people exposed to American western movies recognize the stone tool called an arrowhead, although archaeologists prefer the term projectile point for anything other than a stone tool fixed to the end of a shaft and shot with an arrow. Archaeologists prefer to use ''projectile point'' to refer to any object affixed to a pole or stick of some kind, which has ...

(PDF) Extending Experimental Control: The Use of Porcelain ...

For experiments which deal directly with To maintain a close comparison with flaked stone projectile interpreting forms of use-wear such as impact fractures, any points, the lateral edges of each were consistently pressure- anomalies caused by irregularities in testing material might be flaked after firing, taking care not to adjust the desired ...

Extending Experimental Control | Advances in ...

One of the biggest problems faced by archaeologists engaged in flaked stone experiments is that of control. Controls are universally accepted as a way of ensuring reliability of experimental results used to interpret the archaeological record. ... such as projectile point impact fractures. The varied nature of these two studies aptly ...

ANTH 550 Flashcards | Quizlet

Fracture irregularly and will not produce a sharp edge ... If you only find the top of projectile point its a biface. Parts of a projectile point. Hafting element on proximal end Base-proximal end Ear ... (perfect circle out of middle of the stone Artifact- lots of flakes, common or uncommon material to the area-uncommon was brought by people ...

Raw material impact strength and flaked stone projectile ...

 · This study focused on the effects of raw material impact strength on the performance of small side-notched triangular flaked stone projectile points. Through controlled experimentation, this research provides an objective evaluation of raw material …

Assessment of complex projectiles in the early Late ...

 · Hutchings WK. When is a point a projectile? Morphology, impact fractures, scientific rigor, and the limits of inference. In: Iovita R, Sano K, editors. Multidisciplinary approaches to the study of Stone Age weaponry. Dordrecht: Springer; 2016, p. 3–12. 9. Newman K, Moore MW. Ballistically anomalous stone projectile points in Australia.

Dalton Tools, Page 1

Dalton people made many different styles of projectile points and knives. It''s obvious that the smaller points were being propelled through the air because many of of them have impact fractures. Most of the tools from Olive Branch are in the form of simple tools made on flakes.

Mount Rainier National Park: Environment, Prehistory ...

 · For this project, fine-grained flaked tools included primarily projectile points, miscellaneous bifaces, unifaces, and used flakes. For the sake of analysis replication, some of these are worth defining. Projectile point Finished bifaces with a hafting element or other biface fragments with impact fractures.

How Did People Make Flaked Stone Tools?

The flake is the most basic element in flintknapping, and a flake is struck from a rock called a core. A flake generally has very sharp edges, making it useful for cutting, scraping, and carving. Some flakes are worked into projectile points for an atlatl or bow. Flintknappers primarily use two techniques to remove flakes: percussion (striking ...

Interpreting Broken Arrow Points | American Antiquity ...

 · Controlled ballistics tests of ground, percussion-flaked, and pressure-flaked projectile point impact durability: Implications for archaeological method and theory. Journal of Archaeological Science: Reports, Vol. 24, Issue., p. 677.

Table 59. Projectile Point Analysis Data, Sand Canyon ...

Table 59. Projectile Point Analysis Data, Sand Canyon Pueblo: Manufacturing and Use Data Structure 308 129 2 arrow point unfinished biface (pressure flaking, notching) bipolar flake absent impact fracture none indeterminate blade large/medium side-notched 1448 17 …

ANTH 182M Flashcards | Quizlet

1) broken base: at hafting element, weak spot of projectile 2) Snap & Step fractures: at edge of projectile 3) Basal shear: one edge of base broken off 4) Crushing: dulling the point of projectile 5) Shallow step hinge: at end of projectile (slanted fracture) flute

Raw material impact strength and flaked stone projectile ...

Abstract Archaeologists have previously proposed several different measures of flaked stone raw material "quality", but this variable has proven difficult to quantify, and the precise characteristics that improve performance remain unclear. This paper presents the results of controlled experiments that were designed to test projectile points made from stones with varying impact strength.

(PDF) Wear Traces and Projectile Impact: A Review of the ...

Experimental and archaeological researchers have identified a variety of fracture or breakage types associated with stone implements used as projectile points. The mechanics of formation of the ...

Experimental assessment of proximal-lateral edge grinding ...

 · Archaeologists recognize countless styles of flaked stone projectile points in the archaeological record, but few are as well recognized as the Clovis fluted projectile point. This specimen has a number of interesting morphological and technological features, but one prominent question of its functional morphology involves the lateral edges of the proximal (basal) portion of the point, where ...

Hickory Bluff Stone Tool Manufacture and Use

Table 13.22 Edge Damage and Alternate Beveling for Selected Projectile Points Catalog No. Point Type Impact Fracture Edge Fracturing Alternate Bevel Knapping Direction 9-1-A Woodland Wide Blade None None None 93-2-C Untyped Stemmed None Step None 265-1

What''s the Point: Making an Impact

 · Projectile points are made by the process of striking flakes. Every flake is a wave of energy that travels through the stone to create a fracture. Controlling this fracture allows a toolmaker to shape the rock into a projectile point. The surface of the projectile point bears the scars of these flakes, which show how the point was made.

FURTHER INSIGHTS INTO PALEOINDIAN USE OF THE POWARS II …

 · This kind of impact damage appears on two other points from Powars II, suggesting that it could be a common, if poorly understood, way for stone projectiles to fracture. A final form of distal fracture ( Figure 5 c) removed the distal tip and resulted in a burin-like spall on a blade edge that traveled over half of the distance toward the basal ...

(PDF) Extending Experimental Control: The Use of Porcelain ...

PDF | One of the biggest problems faced by archaeologists engaged in flaked stone experiments is that of control. Controls are universally accepted as a... | Find, read and cite all the research ...

When Is a Point a Projectile? Morphology, Impact Fractures ...

 · When Is a Point a Projectile? Morphology, Impact Fractures, Scientific Rigor, and the Limits of Inference ... Boscato, P., Ranaldo, F., & Ronchitelli, A. (2009a). Stone tools for the hunt: Points with impact scars from a Middle Paleolithic site in southern Italy. ... J. C. (1988). Projectile point fracture patterns and inferences about tool ...

FUNCTIONAL DETERMINATION OF PROJECTILE POINT …

FUNCTIONAL DETERMINATION OF PROJECTILE POINT USAGE IN MESOLITHIC GREASBY ... quantitative analysis of impact fracture patterns produced by projectile point function . ... unretouched flakes have been known to serve as arrowheads. The Final Palaeolithic graveyard at Jebel Sahaba, Sudan, has yielded over 90 pieces of unretouched flakes and chips ...

Experiments in Fracture Patterns and Impact Velocity with ...

 · Abstract. Recent anthropological and archaeological studies in western Eurasia indicate that long-range projectile hunting was innovated by modern humans, and that complex projectile technology, such as using spearthrowers or bows (Shea and Sisk 2010), was an important component of behavioral modernity.The morphometric analysis of stone tips, including tip cross-sectional area …

RESULTS OF INVESTIGATIONS

chipped stone artifacts, a hammerstone, and on-site outcrops of Hozomeen chert bedrock exhibiting hammer impact marks (conchoidal fracture scars) from quarrying of tool stone. Table 3. Projectile Point Metric Data, 45WH631 Oject Name Catalog Number Length (mm) Width (mm) Thickness (mm) Olcott series biface NOCA 22185 65.5 22.86 9.66

This study examines the influence of trade on the ...

Archaeological excavations at CCO-297 yielded a rich flake stone assemblage (Table 1). The assemblage is characterized by a relatively high number of formal tools. Projectile points, bifaces and formed flake tools (FFTs) comprise nearly one-quarter (23.3 percent) of the entire flaked stone …

Table 59. Projectile Point Analysis Data, Sand Canyon ...

Print Version (PDF): Print on legal-size paper, landscape orientation (6 pages).: Table 59. Projectile Point Analysis Data, Sand Canyon Pueblo: Manufacturing and Use Data: Study Unit: PD: FS: Use Type: Reduction Type: Blank Type

Wear Traces and Projectile Impact: A Review of the ...

damage that accrue upon flaked stone artifacts employed ... fractures, where chips or flakes were detached from the distal end of the point. ... striations on projectile points with impact damage is also largely parallel to the long axis of the point (i.e., in the direction of impact).

Flaked stone technologies Research Papers

Raw material impact strength and flaked stone projectile point performance Archaeologists have previously proposed several different measures of flaked stone raw material " quality ", but this variable has proven difficult to quantify, and the precise characteristics …

Flaked-stone projectile point serration: A controlled ...

 · 1. Introduction. Until relatively recently, prehistorians largely analyzed stone projectile points using the assumption that patterns they could measure among artifacts were a reflection of differences among sociocultural groups (Mason, 1894, Whittaker, 1994).Little attention was paid to quantifying functional characteristics of projectile technology, and the role that performance plays in ...

3D engineering simulations for evaluating arrowheads: an ...

Raw material impact strength and flaked stone projectile point performance. February 2018 · Journal of Archaeological Science. ... Projectile impact fractures and launching mechanisms: Results of ...

Wound ballistics: The prey specific implications of ...

 · The flaked stone projectile points were modeled after the tear-dropped shaped biface known as the Chindadn point that is typically associated with the Alaskan Nenana Complex at sites such as Swan Point (Holmes, 2011), Healy Lake (), Chugwater (Lively, 1996), and Walker Road (Goebel et al., 1991).Obsidian is well represented in lithic artifact assemblages in central Alaskan sites that date from ...

Experimental studies of prehistoric projectile points: a ...

WOODS J.C. (1987) – Manufacturing and use damage on pressure-flaked stone tools, MA thesis, Idaho State University. WOODS J.C. (1988) – Projectile point fracture patterns and inferences about tool function, Idaho archaeologist, 11, 3-7. 4.2. American Prehistory / osseous points BUC N. (2011) – Experimental series and use-wear in bone tools.

Raw material impact strength and flaked stone projectile ...

Impact strength Projectile point performance Flaked stone arrowheads abstract Archaeologists have previously proposed several different measures of flaked stone raw material "quality", but this variable has proven difficult to quantify, and the precise characteristics that improve performance remain unclear.

Lithics-Net Lithics Glossary

Dart Point A flaked projectile point designed for use as a tip for a throwing stick dart. Typically Dart Points are larger than 24mm in length and weigh more than 15 grams. ... which was used in removing flakes during the manufacture of a flaked stone projectile, tool, blade or ... Impact Fracture see Fracture, Impact;

Clovis and Folsom Functionality Comparison Andrew J ...

An impact fracture produces thin flakes classified as feather termination flakes with an edge all around and are the same type of flake that flintknappers use in producing a biface (Odell 2003:57). Impact fractures typically occur at the distal end of the point and examples are prevalent in points found in the archaeological record.

Flaked-stone projectile point serration: A controlled ...

A variety of flaked stone projectile point attributes can affect impact durability, which is the relationship between projectile impact force and point breakage. We examine the role of isometric ...

Flaked-stone projectile point serration: A controlled ...

 · Flaked-stone projectile point serration: A controlled experimental study of blade margin design. ... Projectile impact fractures and launching mechanisms: results of a controlled ballistic experiment using replica levallois points. J. Archaeol. Sci., 48 (2014), pp. 73-83.

L A : C S T W F A

a stone could naturally fracture into, for example, a projectile point is extremely small. But prehistoric people often fashioned tools expediently by quickly striking a few flakes off a handy cobble. How can we tell if such cobbles are tools? This issue is especially 3