Crossdating - The Basic Principle of Dendrochronology Crossdating is the most basic principle of dendrochronology. Crossdating is a technique that ensures each individual tree ring is assigned its exact year of formation. This is accomplished by matching patterns of wide and narrow rings between cores from the same tree, and between trees from different locations. In the example illustrated to the right, we will attempt to date the construction of the Puebloan ruin C on the left. First, increment cores are extracted from living trees A to develop a living tree chonology for the nearby area.
Last Edited March 4, 2015 For those researchers working in the field of human history, the chronology of events remains a major element of reflection. Archaeologists have access to various techniques for dating archaeological sites or the objects found on those sites. Crossdating is an important principle in dendrochronology. It consists in comparing and matching two or more series of ring widths measured on different trees. The partial overlap of sets of trees that died at different times allows the construction of average chronological sequences courtesy Groupe de recherche en dendrochronologie historique; illustration C.
history of dendrochronology
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