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What type of rock is used for radiometric dating

This technique uses the same minerals and rocks as for K-Ar dating but restricts measurements to the argon isotopic system which is not so affected by metamorphic and alteration events. The decay of 147Sm to 143Nd for dating rocks began in the mid-1970s and was widespread by the early 1980s....

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Dating techniques of the earth

Some atoms eventually change from one element to another by a process called radioactive decay....

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Methods of dating archaeological sites

Occasionally whole vessels are found, particularly where they have been used as grave goods or cremation 'urns'....

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Dating hatfield hertfordshire

Reflecting a wealth of myriad influences, the Historic Sites in England are as diverse as this island nation's history....

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