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EVANTH Final: Dating/Ecology
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18 Terms
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1
Absolute/chronometric dating
provides an actual chronological date
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2
physical correlation
linking of geological layers based on physical characteristics
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3
features
products of human activity that cannot be removed as a single entity
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4
context
spatial and temporal associations of artifacts/features in a site
\
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5
Relative dating
provides a relative ordering of sites
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6
site survey
process of discovering archaeological site location
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7
Artifacts
physical objects modified by humans
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8
Archaeological sites
location of past human activity
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9
Ecofacts
natural materials that give environmental information and are NOT identified by humans
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10
What is the half life of 14C and what can does it decay to? What can it date?
5730 years, N-14 anything that is 1000 to 70,000 years old
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11
The Law of Faunal Succession
strata that contain fossils of the same animals are of the same age
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12
stratigraphy
study of the sequential layering of deposits
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13
Principle of super positioning
lower layers are deposited before upper layers
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14
Terrestial quadrupeds
reduced tail, short, digits, posteriorly extended process, robust radius, short digits, long, similar length, forelimb/hindlimb
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15
What factors have a negative effect on terrestiality?
frugivory, terrestrial predators, brachiation, population density, habitat
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16
What factors have a positive effect on terrestiality?
quadrupedal, group size, body mass, max temperature, primate richness, distance from roads
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17
Arboreal quadrupeds
long tail, deep ulna, grasping foot, short similar length, forelimb, hindlimb
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18
Suspensory arborealists
Long curved fingers, longer forelimbs, shorter olecranon process, dorsally placed scapula, often no tail, mobile hip joint
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