In such cases, archaeologists may employ , with the older layer beneath the latest.This technique helps the archaeologist arrange the site in a vertical temporal sequence, which may then be compared to sites of similar age or type.
This section contains a two-part series of step-by-step ESOL lesson plans by Frances Marnie designed for beginner-level students with little or no knowledge of English.
The first part consists of ten units covering basic survival English, while the second part consists of ten further units, each focusing on an aspect of everyday life in more detail.
Suppose the inhabitants of a previous site dug a large hole.
The top of the heap of excavated dirt would date the oldest.
Scientists base absolute dating on measurable physical or chemical changes or on written records of events.
Continue Reading In the field of archeology, the term "absolute" is somewhat misleading.
This is the concept of --or the Law of Superposition.
Stratigraphic sequences in the field, however, are sometimes unreliable.
Learn about different types of radiometric dating, such as carbon dating.