Anthropology carbon dating
It is generally a raised area above the rest of the city where the most important sacred and secular buildings are brought together.
The buildings on the Athenian Acropolis were important for trade and worship.
Aerial Reconnaissance - The technique of searching for sites and features, both cultural and natural, from the air, often using aerial photography or the human eye.
In academic, historical, and archaeological circles, A. Dates are determined by a variety of processes, including chemical analyses (as in radiocarbon dating and thermoluminescence), data correlation (as in dendrochronology), and a variety of other tests. Acheulean - A stone tool industry, in use from about 1.6 million years ago until 125,000 years ago.
- "Abbreviation for the term Anno Domini Nostri Jesu Christi (or simply Anno Domini) which means ""in the year of our Lord Jesus Christ."" Years are counted from the traditionally recognized year of the birth of Jesus. E.)." Absolute Dating - Collective term for techniques that assign specific dates or date ranges, in calendar years, to artifacts and other archaeological finds.
For all but one of the sites, the re-dating yielded consistent results to the previously published dates.
But Arroyo Seco 2 had older dates, calibrated to as old as 14,000 years ago.
And in fact show three different occupation periods, one around 14,170 to 13,840 years ago, another around 13,710 to 13-350 years ago, and a final one around 13,210 to 12,950 years ago.