What does relative chronology establish?
It orders deposits, artifacts, or events as earlier than, later than, or contemporary with one another, without assigning calendar dates or durations.
Study 1 Relative Chronology and Archaeological Sequencing with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What does relative chronology establish?
It orders deposits, artifacts, or events as earlier than, later than, or contemporary with one another, without assigning calendar dates or durations.
What is the principle of superposition?
In an undisturbed sequence, a lower deposit was generally laid down before the deposit above it.
How does a cut relate chronologically to the layers it cuts?
A cut interrupts earlier deposits, so the cut and its fill postdate the layers it cuts.
What does a Harris matrix show?
A Harris matrix diagrams relationships among individual contexts, helping organize which contexts are earlier or later without assigning dates in years.
How can site disturbance undermine stratigraphic interpretation?
Burrowing, roots, construction, erosion, or ploughing can mix or move materials, making a layer's apparent order misleading.
How do residual and intrusive artifacts differ?
Residual objects are older artifacts redeposited in a later context; intrusive objects entered an older layer from above.
What is typology in archaeology?
Typology groups artifacts by recurring features, such as shape, manufacturing technique, or decoration.
What does seriation do?
Seriation orders artifacts or assemblages by patterns of change, such as shifting frequencies of styles.
How can frequency seriation help order assemblages?
A style that rises in frequency and later declines can create a pattern that helps order assemblages.
What is cross-dating?
It uses an object or pattern with a known relative position in one context to help order another context where it also occurs.
What can cross-dating not establish on its own?
Without an independently dated anchor, cross-dating links one sequence to another but does not provide a calendar date.
Why combine several lines of chronological evidence?
Agreement among stratigraphy, artifact comparisons, and cross-dating increases confidence in the proposed ordering.
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