What is the use of radiometric dating
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co.
The site is situated about 220 km to the northwest of New Delhi on the New Delhi-Fazilka national highway and about 14 km northeast of the district headquarters on the Bhuna road in the Fatehabad district.
A circular structure of baked earth is probably a "tandoor"- a community kitchen still seen in rural India.
Presence of the baked bricks is seen used in the main drain provided on the width of the northern arm of the fortification wall to flush out the waste water from the houses.
The walls and floor of these pits were plastered with the yellowish alluvium of the Saraswati valley.
The artefacts of this period comprised a copper bangle, a copper arrowhead, bangles of terracotta, beads of carnelian, lapis lazuli and steatite, bone point, stone saddle and quern.
The streets, lanes and by-lanes were oriented in similar fashion.
The pottery assemblage shows a mixed bag of Early Harappan and Mature Harappan forms.
Radiocarbon samples which obtain their carbon from a different source (or reservoir) than atmospheric carbon may yield what is termed apparent ages.
The pottery of this period shows all the six fabrics of Kalibangan - I along with many of the Hakra Wares of the earlier period.
The artifacts of this period include a seal of quarter-foil shape made of shell, arrowheads, bangles and rings of copper, beads of carnelian, jasper, lapis lazuli, steatite, shell and terracotta, pendents, bull figurines, rattles, wheels, gamesmen, and marbles of terracotta, bangles of terracotta and faience, bone objects, sling balls, marbles and pounders of sandstone.
According to Rao, Hakra Ware has been found at Bhirrana, and is pre-Harappan, dating to the 8th-7th millennium BCE.
According to Rao, the excavation has revealed these cultural periods; Period IA: Hakra Wares Culture, Period IB: Early Harappan Culture, Period IIA: Early Mature Harappan and Period IIB: Mature Harappan Culture.
The important artifacts of the period consisted of Seals of steatite, bangles of copper, terracotta, faience and shell, inscribed celts of copper, bone objects, terracotta spoked wheels, animal figurines of terracotta, beads of lapis lazuli, carnelian, agate, faience, steatite, terracotta and stone objects. The houses were made of mud bricks (sun-baked bricks).