It is generally a raised area above the rest of the city where the most important sacred and secular buildings are brought together. More flakes were knocked off from both sides of a stone and there is evidence that the maker had a preconceived notion of the tool’s final form.Īcropolis – The “high point” or citadel of an ancient Greek city, like the Acropolis in Athens. This tool-making technology was a more complex way of making stone tools than the earlier Oldowan technology. It was characterized by large bifaces, particularly hand axes. See Relative Dating.Īcheulean – A stone tool industry, in use from about 1.6 million years ago until 125,000 years ago.
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. is generally replaced by the term Common Era (C.E.).”Ībsolute Dating – Collective term for techniques that assign specific dates or date ranges, in calendar years, to artifacts and other archaeological finds. In academic, historical, and archaeological circles, A.D. – “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.