Accueil >  Term: oxidizable carbon ratio (OCR) dating
oxidizable carbon ratio (OCR) dating

An experimental dating technique based on the fact that organic carbon in soil humus and charcoal progressively convert to oxidizable carbon over time. The ratios of these two forms of carbon vary directly with the age of the material. This technique requires an inexpensive chemical analysis procedure. The effective time range for OCR dating has not yet been established.

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