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Dating Archaeological Sites and Artifacts

How old is it? Over the 150 years of the discipline of scientific archaeology, researchers have used many different ways to determine how old an artifact or archaeological site is. Here's a selection of these techniques.

RCYBP - Radio Carbon Years Before the Present

RCYBP (Radio Carbon Years Before the Present and abbreviated in many different ways) is a shorthand reference to the uncalibrated date recovered from carbon 14 dating.

Seriation Tools

Two seriation tools in MS Excel format, from Carl Lipo and Tim Hunt, free for the download under a creative commons license.

AMS (Accelerator Mass Spectrometry) Radiocarbon Dating

AMS radiocarbon dating is a form of radiocarbon dating that is more precise and requires less carbon than conventional radiocarbon methods.

Archaeomagnetic Dating

Archaeomagnetic dating is a method of assigning a date to a fireplace or burned earth area using the earth's magnetic field.

C14-L

An electronic discussion list for researchers and others involved in radiocarbon and other radioisotopes used in dating, and in scientific dating issues in general.

Cal-Pal

A radiocarbon calibration package developed by the University of Cologne to "support research on hominid behavioural response to pleistocene climate change."

Chronological Analysis

Archaeologists use the term 'chronological analysis' to refer to the analysis of an object, set of objects, archaeological site or set of sites in terms of its temporal characteristics

Chronological Methods

This piece of courseware is from George Michaels and Brian Fagan at UC Santa Barbara, and it's a wonderful primer on various dating methods in archaeology, complete with notes, movies, and bibliographic references. Hope it stays available to the rest of us.

Dating Stone Henge

A team of archaeologists and other scientists working together to make some scientific measurements on this ancient monument in England.

Dendrochronology

Dendrochronology is the name given to the archaeological dating technique which uses the growth rings of long-lived trees as a calendar.

Fluoride Dating Service Center

From Mark Schurr at the University of Notre Dame, a website announcing their new dating service; also includes information about how the technique works.

Luminescence Dating

Luminescence dating is a relatively new method of dating archaeological sites and materials.

Mean Ceramic Date

A mean ceramic date is a method of determining the age of a historical artifact assemblage using the average dates of the pottery sherds collected from the site.

Obsidian Hydration Analysis

A good page from University of California at Santa Barbara, explaining how OHA works; even includes a little Quicktime movie.

Obsidian Hydration

The dating technique called obsidian hydration is a favorite of archaeologists, both because it is relatively secure and because it is relatively inexpensive.

Ox-Cal

By Christopher Bronk Ramsay of Oxford, a program to provide radiocarbon calibration and analysis of archaeological and environmental stratigraphy.

Oxidizable Carbon Ratio Dating

Is a dating method which uses the rate of biochemical pedogenesis, or soil growth, to determine the age of buried sediments. From Douglas Frink

Paleomagnetic Dating

Paleomagnetic dating (also called archaeomagnetic dating) is a method of assigning a date to a fireplace or burned earth area using the earth's magnetic field.

Potassium-Argon Dating

The potassium-argon method of dating artifacts and sites, like radiocarbon dating, relies on measuring radioactive emissions.

Racemization Dating

Racemization dating is a process which uses the measurement of the decay rate of carbon protein amino acids to date once-living organic tissue.

Radioarbon Dating Method

Radiocarbon dating uses the amount of Carbon 14 (C14) available in living creatures as a measuring stick.

Radiocarbon Dating

Understanding radiocarbon dating isn't difficult---it just sounds that way. From the Research Laboratory for Archaeology at Oxford University.

Seriation

The technique of dating archaeological sites and materials by seriation was invented by William Flinders-Petrie.

Seriation: A Step by Step Discussion of the Dating Technique

Seriation, also called sequence dating, was one of the first methods of scientific relative archaeological dating, invented by the archaeologist Sir William Flinders Petrie in 1899. Here's how it works.

Timing is Everything

This five part series on archaeological dating methods gives you the five-minute tour on everything from seriation to oxidized carbon ratios. Give it a whirl!

U.S. Nuclear Data Program

Data, data browsers, viewers, and articles useful in various fields of archaeology such as luminescence dating.

Explore Archaeology

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