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heat treatment
a process by which the flintknapping properties of stone tool raw material are improved by subjecting the material to heat
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flake
a thin, sharp sliver of stone removed from a core during the knapping process
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core
a piece of stone that is worked ("knapped"). Cores sometimes serve merely as sources for raw materials; they also can serve as functional tools
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flute
distinctive channel on the faces of Folson and Clovis projectile points formed by removal of one or more flakes from the point's base
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channel flake
the longitudinal flake removed from the faces of Folson and Clovis projectile points to create the flute
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microwear
minute, often microscopic, evidence of use damage on the surface and working edge of a flake or artifact; can include some striations, pitting, microflaking, and polish
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ethnoarchaeology
the study of contemporary peoples to determine how human behavior is translated into the archaeological record
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slash-and-burn
a horticultural method used frequently in the tropics wherein a section of forest is cut, dried, and then burned, thus returning nutrients to the ground. This permits a plot of land to be farmed for a limited number of years
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faunal assemblage
the animal remains recovered from an archaeological site
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kill sites
places where animals were killed in the past
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zooarchaeologist
an archaeologist who specializes in the study of the animal remains recovered from archaeological sites
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faunal analysis
identification and interpretation of animal remains from archaeological sites
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element
in faunal analysis, a specific skeletal part of the body - for example, humerus or sternum
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taxon
in faunal analysis, the classification of a skeletal element to a taxonomic category - species, genus, family, or order
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size classes
a categorization of faunal remains, not to taxon, but to one of the five categories based on body size
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comparative collection
a skeletal collection of modern fauna of both sexes and different ages used to make identifications of archaeofaunas
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number of identified specimens (NISP)
the raw number of identified bones (specimens) per species
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minimum number of individuals (MNI)
the smallest number of individuals necessary to account for all identified bones
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axial skeleton
the head, mandibles, vertebrae, ribs, sacrum, and tail of an animal skeleton
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appendicular skeleton
all parts of an animal excluding the axial skeleton
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seasonality
an estimate of what part of the year a particular archaeological site was occupied
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puna
Native American (Quechua) term for the treeless, windswept tablelands and basins of higher Andes
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ch'arki
Native South American (Quechua) term for freeze-dried llama and alpaca meat
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macrobotanical remains
nonmicroscopic plant remains recovered from an archaeological site
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paleoethnobotanist
an archaeologist who analyzez and interprets plant remains from archaeological sites in order to understand past interactions between human populations and plants
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coprolite
desiccated feces, often containing macrobotanical remains, pollen, and the remains of small animals
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palynology
the study of fossil pollen grains and spores to reconstruct past climates and human behavior
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pollen diagram
a chart showing the changing frequencies of different identified pollens through time from samples taken from archaeological or other sites
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Clovis
the earlist well-established Native American culture, distributed throughout much of North America and dating 10,900 to 11,200 BC
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phytoliths
tiny silica particles contained in plants. Sometime these fragments can be recovered from archaeological sites even after the plants themselves have decayed
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wood rats (pack rats)
rodents that build nests of organic materials and this preserve a record, often for thousands of years, of changing plant species within the local are of the nest
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Holocene
the pose-Pleostocene geological epoch that began about 10,000 radiocarbon years ago and continues today
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lipids
organic substances - including fats, oils, and waxes - that resist mixing with water, found in both plant and animal tissues
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bioarchaeology
the study of the human biological component evident in the archaeological record
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osteology
the study of bone
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burial population
a set of human burials that came from a limited region and a limited time period. The more limited the region and the time period, the more accurate will be inferences drawn from analysis of the burials
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charnel house
a structure used by eastern North Americans to lay out the dead where the body would decompose. The bones would later be gathered and buried or cremated
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bundle burial
burial of a person's bones, bundled together, after the flesh has been removed or allowed to decay off the bones
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haplogroup
genetic lineages defined by similar genes at a locus on a chromosome
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molecular clock
calculations of the time since divergence of two related populations using the presumed rate of mutation in mtDNA and the genetic differences between the two populations
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gene
the unit of chromosomes that control inheritance of particular traits
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mitochondrial DNA (mtDNA)
genetic material found in the mitochondria of cells; it is inherited only from the mother and appears to mutate at a rate of 2-4 percent per 1 million years
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molecular archaeology
the use of genetic information in ancient human remains to reconstruct the past
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nuclear DNA
genetic material found in a cell's nucleus; this material is primarily responsible for an individual's inherited traits
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bone collagen
the organic component of bone
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long bone cross sections
cross sections of the body's long bones (arms and legs) used to analyze bone shape and reconstruct the mechanical stresses placed on that bone - and hence activity patterns
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paleodemography
the study of ancient demographic patterns and trends
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mortality profiles
charts that depict the various ages at death of a burial population
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osteoarthritis
a disorder in which the cartilafe between the joints wear away, often because of overuse of the joint, resulting in osteophytes and eburnation
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osteophyte
a sign of osteoarthritis in which bones develop a distinct "lipping" of bone at the point of articulation
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eburnation
a sign of osteoarthritis in which the epiphyses of long bones are worn smooth, causing them to ake on a varnish-like appearance
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porotic hyperostosis
a symptom of iron deficiency anemia in which the skil takes on a porous appearance
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cribra orbitalia
a symptom of iron deficiency anemia in which the bone of the upper eye sockets takes on a spongy appearance
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Harris lines
horizontal lines near the ends of long bones indicating episodes of phsyiological stress
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enamel hypoplasias
horizontal linear defects in tooth enamel indicating episodes of physiological stress
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pubic symphysis
where two halves of the pubis meet in the groin area; the appearance of its articulating surface can be used to age skeletons
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paleopathology
the study of ancient patterns of disease, disorders, and trauma
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sciatic notch
the angled edge of both halves of the posterior (rear) side of the pelvis; measurement of this angle is used to determine sex in human skeletons. Although its width varies among population, narrow notches indicate a male and wider notches indicate a female
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epiphyses
the ends of bones that fuses to the main shaft or portion of the bone at various ages; most bones are fused by age 25. This fact can be used to age skeletons of younger individuals
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