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...School of distance education module iv excavation and dating techniques this chapter explores the major methods method is a destructive but most systematic scientific documentation archaeological sites it time consuming expensive field activity requires group archaeology experts include director co directors trench supervisors assistance trained labours sampling from different disciplines like geology pedology study soil petrology rocks paleo botany archaeo zoology etc also essential part mainly three groups have developed for material remains relative absolute derivative previous chapters we learned explorations that help archaeologists to find out surface based on surveys they will proceed with trial pits in order understand potential site consequently archaeologist start extensive area retrieve buried object past societies excavations are yielding evidences two main information human activities at particular period changes those very broadly can say contemporary take place horizonta...