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Archaeology-test 2
definition terms for 2nd exam
54
Archaeology
Undergraduate 3
03/24/2010

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Term
excavation
Definition
controlled digging, designed to allow recording of artifact proveniences in three dimensions
Term
vertical excavation
Definition
excavation method which emphasizes digging relatively small horizontal areas of a site to the bottom of the cultural deposits
Term
horizontal excavation
Definition
excavatoin method with emphasizes digging relatively large horizontal areas of a site to the bottom of the cultural deposits
Term
stratum
Definition
visible layer
Term
balk
Definition
wall of earth left between units during excavation to preserve a portion of the strata for reference and later recording
Term
natural level
Definition
an excavation level that includes dirt from only one stratum
Term
arbitrary level
Definition
an excavation level that is of arbitrary thickness (i.e. 10cm, 6 inches)
Term
point provenience (piece-plotting)
Definition
plotting provenience precisely for each individual artifact
Term
unit/level provenience
Definition
recording artifact provenience by the excavation unit and level from which the artifacts were recovered
Term
flotation
Definition
separating light-weight materials, esp. floral remains, from soil using flowing water on chemicals to float the materials to the surface.
Term
tool
Definition
an object used to supplement the body in dealing with the environment
Term
cryptocrystalline
Definition
a rock that is very fine-grained, with mineral cysts that are too small to be seen with the unaided eye.
Term
obsidian
Definition
volcanic glass
Term
flint
Definition
cryptocrystalline rock formed in cavities in chalk
Term
chert
Definition
cryptocrystalline rock formed in cavities in limestone
Term
flintknapping
Definition
removing large discrete pieces (flakes) from a piece of fine-grained stone using percussion or pressure
Term
flake
Definition
a relatively thin and flat piece of stone removed from a core by percussion or pressure
Term
core
Definition
a piece of stone from which flakes have been removed.
Term
hammerstone
Definition
a piece of stone used to strike flakes from a core.
Term
flake scar
Definition
the concave mark left on a core when a flake is removed from it
Term
striking platform
Definition
a flat place on the core and the top of the flake, where a blow was struck to remove a flake
Term
bulb of percussion
Definition
a thick place on the top inside of a flake, representing the point of greatest force that traveled through the flake when it was struck off the core
Term
hard-hammer percussion
Definition
a method of removing flakes from a core by striking the core with a stone hammer
Term
soft-hammered percussion
Definition
a method of removing flakes from a core by striking the core with a hammer made of antler, bone, or wood
Term
baton
Definition
a soft hammer used in flintknapping
Term
pressure flaking
Definition
a method of removing flakes from a core by applying pressure to the edge of the core
Term
prepared core trajectory
Definition
a series of steps by which to produce flakes that are all similar in size and shape
Term
blade
Definition
a flake that is at least twice as long as it is wide
Term
mircrobalde
Definition
a small balde
Term
biface
Definition
a flaked stone artifact taht has had flakes removed from two sides
Term
biface trajectory
Definition
a series of steps by which bifaces are produced
Term
preform
Definition
an unfinished biface, usually indicated by it being thick, with sinuous edges, often with cortex not completely removed
Term
cortex
Definition
weathered outer surface of a piece of rock
Term
ground stone
Definition
course-grained stone shaped, either by use or by manufacture, by pecking, grinding, and/or polishing
Term
pecking
Definition
removing grain-size pieces from a rock by pounding it with another rock
Term
grinding
Definition
removing grain sized pieces from a rock by rubbing it with a course abrasive
Term
polishing
Definition
removing grain-size pieces from a rock by rubbing it with a fine abrasive
Term
use-wear
Definition
traces of wear, such as small flake scars, striations, or polish, resulting from tool use
Term
breakage patterns
Definition
kinds of tool breakage resulting from interaction with the environment during manufacutre or use
Term
residue analysis
Definition
identification of mineral, plant, and animal residues left on tools from use
Term
resharpening(rejuvenation)
Definition
reworking a tool to renew a dull or broken portion
Term
replication
Definition
making, using, and analyzing wear, breakage, residues, etc. on the tools in order to better understand archaeological examples
Term
ceramics
Definition
artificially bonded non-metallic earth elements
Term
sherd
Definition
a broken piece of a pottery vessel
Term
temper
Definition
non-plastic material added to the clay in pottery making
Term
paste
Definition
the clay used in pottery making, after cleaning and preparation
Term
coiling
Definition
a method of shaping pottery by making coils of clay, stacking them on top of one another, then welding the coils together using the fingers and tools
Term
modeling
Definition
a method of shaping pottery by forming the shape with the fingers
Term
molding
Definition
a method of shaping pottery by placing the clay in a mold
Term
slipping
Definition
applying a liquid clay coat to the surface of a ceramic item after drying but before firing
Term
painting
Definition
applying mineral or organic pigment to the surface of a ceramic item, after drying and either before or after firing
Term
oxidation
Definition
a chemical process by which oxygen is removed from the air during firing; the oxygen bonds with minerals (often iron) in a ceramic; oxidation of iron produces red to light brown colors
Term
reduction
Definition
a chemical process by which oxygen is removed from the ceramic during firing, producing gray to black colors
Term
effigy
Definition
a ceramic shape in the form of an animal, human, or some other object
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