“…Additional imports from the Eastern Desert include red ochre, green malachite, siltstone, and Red Sea shells (Nerita, Corius, Anciflaria, Oliva, and Natica). 27 It seems unlikely that these trade goods would have been collected and traded while ocher desired items, such as copper and copper-bearing minerals, were ignored, supporting the Eastern Desert as a source of copper. This interpretation is based on chc assumption chat the archaeological record accurately reflects copper supplies and usage at this time in Egypt.…”