Spot dating archaeology

If a picture is "worth a thousand words" as the expression goes, then artifacts tell even more.Their beauty, rarity, and history unlock the secrets of their ancient owners.Multiple fills of soil in a ditch, for example, could imply multiple contexts.By separating a site into basic, discrete units, archaeologists are able to create a chronology for activity on a site and not only describe it, but allow for its interpretation as well.Accurately dating an archaeological site requires the application of different methods of dating : relative and absolute ( Archeology , 2006Archaeological science has been able to provide the absolute dates for archaeological HYPERLINK "http /en .wikipedia /wiki /Strata " strata and HYPERLINK "http /en .wikipedia /wiki /Artifact_ (archaeology artifacts .Some methods for dating are as follows : HYPERLINK "http /en .wikipedia /wiki /Radiocarbon_dating " Radiocarbon dating which is used for dating organic materials HYPERLINK "http /en .wikipedia /wiki /Dendrochronology " Dendrochronology which is used in dating trees , but also very important for calibrating radiocarbon dates HYPERLINK "http /en .wikipedia /wiki /Thermoluminescence_dating Thermoluminescence dating used for dating inorganic material including ceramics HYPERLINK "http /en .wikipedia /wiki /Optically_Stimulated_Luminescence Optically Stimulated Luminescence used for absolutely dating and relatively profiling buried land surfaces in vertical and horizontal stratigraphic sections , most often by measuring photons discharged from Quartz grains within sedimentary bodies , although Feldspars are also able to be measured through this technique , complications caused by internally induced dose rates often mean Quartz-based analyses are favoured in archaeological applications HYPERLINK "http /en .wikipedia /wiki /Electron_spin_resonance " Electron spin resonance and HYPERLINK "http /en .wikipedia /wiki /Potassium-argon_dating " Potassium-argon dating used for dating fossilized HYPERLINK "http /en .wikipedia /wiki /Hominidae " hominid remains ( Archeology , 2006Dating materials can be made by a direct study of an HYPERLINK "http /en .wikipedia /wiki /Artifact_ (archaeology " artifact or deduced by HYPERLINK "http /en .wikipedia /wiki /Archaeological_association " association with other materials found .

Many disciplines of archaeological science are concerned with dating evidence.Dating material drawn from the archaeological record can made by a direct study of a artifact or may be deduced by association with materials found in the context the item is drawn from or inferred by its point of discovery in the sequence relative to datable contexts.Dating is carried out mainly post excavation but to support good practice some preliminary dating work called spot dating is usually run in tandem with excavation.Some degree of dating objects by their position in the sequence can be made with known datable elements of the archaeological record or other assumed datable contexts deduced by a regressive form of relative dating which in turn can fix events represented by contexts to some range in time.For example the date of formation of a context which is totally sealed between two datable layers will fall between the dates of the two layers sealing it.

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One issue in using stratigraphic relationships is that the date of artifacts in a context does not represent the date of the context, but just the earliest date the context could be.

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