Notes 9-27-10 - site f.ii E.G layer of ash from a volcanic...

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9/27/10 1. Stratigraphy – the study of layering archaeological deposits a. Uses the layering of archaeological deposits themselves to answer relative dating questions b. A layer of sediment may be called a stratum (plural: strata), “strat”, level, or horizon c. Strata are the matrices (singular: matrix) in which artifacts or features are found d. Profile: drawing of the strata observed on the wall of an excavation unit (i.e., pit or trench) e. Stratigraphy dating e.i. Older: bottom, younger: top e.i.1. “Law of superposition” e.ii. Artifacts from the same stratum are more closely associated with one another than they are with artifacts from different strata e.ii.1. “Law of association” f. Marker horizons: widespread, rapidly deposited strata f.i. Can be used to compare different sites in a region or different parts of a
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Unformatted text preview: site f.ii. E.G. layer of ash from a volcanic eruption, layer of silt from a widespread flood, layer of mud from a mudslide, larger area of fill, burned layer g. Archaeological survey g.i. Locating and identifying archaeological sites in an area (may or may not involve digging) h. Rules of excavation (from WOBST) h.i. Don’t excavate h.i.1. Because excavation destroys the site h.i.2. Study artifacts that have already been excavated h.i.3. Remote sensing: satellite photo h.i.4. Aerial laser-scanning (LIDAR) imaging through forest cover h.i.5. Magnetometer h.i.6. Ground-penetrating radar (GPR) h.i.7. Surface collection h.ii. No two excavations are exactly alike i. Deciding how to excavate is important...
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