Relative dating methods in archaeology

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Even when the absolute dates are available, we have to supplement the information with relative dating.

The various methods of relative dating are; This method depends on the common observation that the height of the habitational area increases as the people continue to live at the same place.

Basing on this principle, the cultural assemblages found in different layers can be assigned a chronological personality. In practice it is found that the mounds are disturbed9 by all sorts of pits and dumps.

For example, if the cultural contents of the lower deposit are Mauryan in character, appropriately this deposit may be assigned a date between 400-200 B. Similarly, if the cultural equipment of the upper deposit are of the Sunga period, this deposit has to placed between 200-73 B. Quite often, the archaeologist decided the change of stratum on the basis of the feed of the deposit.

For example Mauryan terracottas, Roman amphorae, Harappan pottery, NBP , PGW,etc.

For example, beads closely resembling those from the temple repositories at Cnoss and dating from C.1600 B.

C were found in a late context (Period V) at Harappa. By noting the association of these beads it has been possible to trace a archaeological datum line across Indian sub-continent and Mesopotamia.

At that time the radioactive disintegration takes over in an uncompensated manner. only half the C-14 will remain after the half-life period.

In the disintegration process the Carbon-14 returns to nitrogen emitting a beta particle in the process.

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