Tag Archives: granite

Fire on the rocks! New paper on firesetting in ancient Egyptian stone quarrying

It started with Egyptologist and engineer Reginald Engelbach almost a hundred years ago. By the early 1920s he found evidence that fire would have been used in extraction of the famous Unfinished Obelisk at the Aswan granite quarries. But he … Continue reading

Posted in Ancient Egypt, Archaeology, New publications, Old quarries | Tagged , , , , , , | 6 Comments

Cleopatra’s Needle: Tracing obelisk weathering with old photos

Historic photos are essential for research on monument weathering. With free internet access to archives, such photos are now easier to find than previously. Below, I will show the case of Cleopatra’s Needle, a famous Ancient Egyptian obelisk transferred to … Continue reading

Posted in Ancient Egypt, Archaeology, Monument conservation, Weathering history | Tagged , , , , , , , , , , , , | 11 Comments