Archaeology dating metal

Detectors are used to locate and collect metal objects from either unstripped topsoil, archaeological layers and deposits, or even excavated spoil heaps.

The survey technique can provide excellent dating evidence to compliment artefacts found during the normal course of archaeological excavation.

They may protect the underlying metal or they may contain salts that will cause further corrosion after the object has been excavated (for more information on corrosion, see Notes 9/1 Recognizing Active Corrosion).

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For the best results, a consistent and systematic approach is required for an effective survey.

All finds are then 3D located using measured survey technology such as GPS or Total Stations.

" is one of the first and most frequent questions when an artifact is found.

Magnetite on iron looks very much like the dark patina that forms on copper.

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