Lab Quiz 2 Flashcards

1
Q

Why stone tools?

A
  • Stone tools, and the debris from the process of their manufacture, are among the most frequently found artifacts in arky sites
  • lithos artifacts provide info on tool making and activities closely related to the use of these tools
  • stone tools have been around longer than modern humans, and are prevalent in arky assemblages around the world
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2
Q

What archaeologists can learn from stone tools:

A
  • Technology: tools might preserve whole product they were used to make has vanished
  • activities practiced within a culture: clustering of specific stone tools at specific locations suggest that certain activities were restrict d to defined areas
  • function of a site: from activities determined
  • settlement pattern of a human group: movement of tool types
  • trade
  • ideology/ religion
  • maybe even the development of the human brain: with complexity and efficiency of tools
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3
Q

Classification

A

Lithos artifacts are classified into different types based on:

  1. Material
  2. Method of manufacture: chipped/ flaked, ground/pecked
  3. Form (shape, dimensions)
  4. Function (projectile point, Knife, scraper, Burin)
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4
Q

Materials with a fine grained texture are manufactured through a process of

A

Chipping or knapping because they will easy flake and crack (think of glass)

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5
Q

Materials with a coarse grain are manufactured through a process of

A

Abrading or grinding because the will not easily flake or crack

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6
Q

Manufacturing chipped stone

A
  • a piece of hard stone is needed, known as a core
  • flakes are removed by striking the edge of the core with a sharp, forceful blow. This is known as chipping or flaking. It requires the knowledge and ability..
  • the core itself can become a tool or the flakes can become tools
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7
Q

Methods of flaking

A
  • direct percussion
  • indirect percussion
  • pressure flaking
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8
Q

Direct percussion

A
  • involves striking the core directly with another object. Can be with a hard (stone) or soft (antler) hammer
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9
Q

Indirect percussion

A
  • involved the use of an object between the striking hammer stone and the rock being shaped
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10
Q

Pressure flaking

A

Used for the finishing stage of tool manufacture, or to reshape the tool when the edge gets broken or becomes dull

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11
Q

Stages of flake removal

A
  • primary flakes
  • secondary flakes
  • tertiary flakes
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12
Q

Primary flakes

A
  • flakes with cortex present on surface, but no flake scars
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13
Q

Secondary flakes

A

a flakes with diminishing traces of cortex. Have scars of previous flake removal

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14
Q

Tertiary flakes

A

No cortex present

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15
Q

Dorsal

A

Outer surface

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16
Q

Ventral

A

Inner surface

- has bulb (like belly)

17
Q

Other factors

A
  • flake scars
  • striking platform
  • bulb of percussion
  • ripples
18
Q

Distal end

A

Bottom

19
Q

Proximal end

A

Top, striking platform

20
Q

Ripples

A
  • curve back to where the force came from
21
Q

If a tool has been worked on both sides, it is referred to as

A

Biface
- takes a considerable amount of time to know and therefore tells us about the proficiency of the flintknapper and the function of the tool

22
Q

If a tool has only been worked on one side it is referred to as

A

Uniface

23
Q

Points and projectile points

A
  • clear, defined shape, consisting of a pointed tip

- usually thin, symmetrical, and biracial

24
Q

Three main types of points:

A

1) unnotched and I stemmed
2) stemmed
3) notched and stemmed

25
Q

Three main forms of points and projectile points

A

1) triangular
2. Lanceolate (straight near base, sides taper to pointed tip)
3) bipointed (both ends taper to a pint)

26
Q

Scrapers

A
  • identified by the steep angle that has been worked along one edge
  • endscrapers or sidescrapers, depending on whether the working edge is on the end of the flake or along the side of the flake
  • usually unifacial
27
Q

Drills

A
  • long and narrow bit at one end
  • usually biracial
  • can be used in a rotary motion to function as a perforator to create holes or groves
28
Q

Blades

A
  • longer than they are wide
  • usually unifacial and thin
  • from functioned as cutting implements
  • blade cores show the number of blades that were produced from one core
29
Q

Handaxe

A
  • large, the co, pear shaped axe like tools
  • moderately steep edge angles
  • usually bifacial
  • assumed to be chopping or multipurpose tools
  • may have been hatted and not held in the hand
30
Q

Manufacturing ground stone tools

A
  • groundstone tools can be manufactured variety techniques to wear away or abraded the surface, such as grinding and pecking
  • do not have flake scars or a bulb of percussion
  • tend to be much larger, heavier, and longer- lasting than chipped stone tools
  • in the Americas, common ground stone tools include a mano and metate for the processing of corn and other foods
31
Q

Bulb of percussion

A
  • a swelling usually visible just below the point of impact on a flake
32
Q

Core

A

A block of stone that is struck to detach flakes

33
Q

Cortex

A

Natural, weathered surface of raw material

34
Q

Debris

A

Residue from took production (irregular chunks without identifying features)

35
Q

Flake

A

Piece of stone with identifying features if removal by human hand

36
Q

Hafting

A

Process of placing the worked stone into a handle