Artifacts prehistoric copper

Prehistoric Copper Artifacts in the Eastern United States... 

Goad SI, Noakes J (1978) Prehistoric copper artifacts in the Eastern United States, in Archaeological Chemistry II, (ed. Carter GF) p. 335, Washington, Amer. Chemical Society... 

Gersch, H. K., Robertson, J. D., Henderson, A. G., Pollack, D., and Munson, C. A. (1998). PIXE analysis of prehistoric and protohistoric Caborn-Welbom phase copper artifacts from the lower Ohio River Valley. Journal of Radioanalytical and Nuclear Chemistry 234 85-90. 

The number of artifacts analyzed, although small, is a representative sample of copper from a specific regional and temporal prehistoric population. By limiting the areal distribution of the artifacts chosen for analy-... 

In Europe and the Middle East, the appearance of copper artifacts in the archaeological record is significant enough that the term Chalcolithic - or Copper Age -was added to the tripartite stone-bronze-iron age system. Other regions such as the upper peninsula of Michigan, which has an abundance of native copper, also recognize ancient Copper cultures (Fig. 3.7). Copper must have been an attractive and useful material to prehistoric peoples. The earliest examples of copper are in the form of pendants and jewelry. 

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