: the correlation of distinctive traits between two or more sites or levels in different localities for purposes of chronology specifically : the establishment of the date of an archaeological site or level by comparing its distinctive traits with those of another site or level of known date that is assumed to be of
What is cross dating in archaeology?
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.
What is cross date?
intransitive verb. : to show by close similarity of spacing, cell structure, and related criteria that certain of the annual rings of two or more different trees or pieces of wood were produced in the same year.
What is a cross stock?
The term cross has three primary definitions in finance: The first type of cross is when a broker receives a buy and sell order for the same stock at the same price, and subsequently makes a simultaneous trade between two separate customers at that price.
What does dead cross mean?
The death cross occurs when a short-term moving average (typically 50-day SMA) crosses over a major long-term moving average (typically 200-day SMA) to the downside and is interpreted by analysts and traders as signaling a definitive bear turn in a market.
How do the archaeologists date their finds?
Archaeologists use that assumption, called the law of superposition, to help determine a relative chronology for the site itself. Then, they use contextual clues and absolute dating techniques to help point to the age of the artifacts found in each layer. Relative dating has its limits.