Gebel Manzal el-Seyl, Quarry

Gebel Manzal el-Seyl is Early Dynastic volcanic tuff quarry .

Sources:

1. https://per-storemyr.net/2012/12/28/ten-quarries-of-ancient-egypt-6-gebel-manzal-el-seyl-volcanic-tuff-quarry
2.  James A. Harrell, V. Max Brown and Masoud Salah Masoud,  An Early Dynastic Quarry for Stone Vessels at Gebel Manzal el-Seyl, Eastern Desert. Journal of Egyptian Archaeology, vol. 86 - 2000, pp.  33-42
3. James A. Harrell, A stone vessel quarry at Gebel Umm Naqqat: Egyptian Archaeology, vol. 24 -2004, pp. 34-36