Category Archives: Weathering history

Cleopatra’s Needle: Tracing obelisk weathering with old photos

Posted on December 12, 2010 by Per Storemyr

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 Alexandria, Ancient Egypt, Aswan, Cleopatra's Needle, granite, Heliopolis, historic photos, London, Luxor, New York, obelisk, Paris, weathering | 11 Comments

Stone weathering at the westernmost coast of Norway

Posted on November 15, 2010 by Per Storemyr

As probably one of only very few monuments globally, the ruined Selja medieval abbey off the westernmost coast of Norway is built from a metamorphic olivine stone (dunite) rich in talc. The combination of a hard olivine matrix and soft … Continue reading →

Posted in Archaeology, Monument conservation, New projects, Norway, Ruins, Weathering history | Tagged conservation, historic photos, Norway, olivine, salt, Selja, weathering | 2 Comments

New publications 2009-2010

Posted on October 21, 2010 by Per Storemyr

Though published some months ago, I would like to briefly present four of my most recent publications. Two derives from the EU QuarryScapes project, two from a conference last year in Trondheim about new research at Nidaros Cathedral.