Artifacts may or may not have been made or used at

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Artifacts may or may not have been made or used at the time the stratum accumulated redeposition intrusion ("intrusive" artifacts) curation "Natural stratigraphy" or cultural stratigraphy vs. arbitrary strata (or arbitrary levels) Uh-oh… inverted stratigraphy Basketloads Where was the ground level? Cancha de Yacango tomb example Cancha de Yacango strata cut example What if the radiocarbon dates are out of order? Cultural vs. natural stratigraphy Algodonal example with erosion and talus deposition Jericho example Where was the ground surface at different times? What was the order of construction of walls, cutting of trenches, etc.? Linking plan views to stratigraphy Stratigraphic relationships of features that are not on top of one another Sectioning features to get the internal profile Cancha de Yacango example: profiles to answer specific questions
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Introduction to Archaeology F 2002 / Owen: Relative dating: Stratigraphy and index fossils p. 2 arbitrary levels to answer specific questions Keeping cultural strata together Why do we dig out the contents of a pit before digging around it? Taking the site apart in the reverse order that it formed in Index fossil concept Linking contemporary strata by their contents rather than by their physical relationships Not nearly as precise Useful to correlate strata at different sites We'll build on this notion next time…
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