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- Happy New Year to clients, partners and followers! With photos from work and excursions in 2018
- Burning sea shells to make quicklime
- Novel micro-images of lime mortar destruction by frost weathering
- Tjenester for kulturminnevernet: Hva gjør en geoarkeolog for steinbygninger, steinbrudd og bergkunst?
- The limekiln at Hyllestad, Western Norway: Rebuilding a new, “historic” kiln for burning lime
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SOAPSTONE! New book on its archaeology and history!
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Tag Archives: Trondheim
This week I attended the international conference “Rediscovering Traditional Mortars” in Trondheim. The conference was hosted by the Nidaros Cathedral Workshop and it was part of the annual conferences organised by the British Building Limes Forum and its Nordic counterpart.
I was lucky to be invited to keep two lectures, one on the experimental lime burning in Hyllestad earlier this year, and the Baker Memorial Lecture during the gala dinner. A very great honour to keep this traditional lecture for more than 230 delegates! I concentrated the lecture on the use of Portland Cement during the restoration of Nidaros Cathedral from 1869 on. Read on to get a glimpse of all the problems it has caused! Continue reading
The use of slate has traditions back to the Neolithic in Norway. Stone that were easy to split could be used for anything from the erection of fine burial chambers to the production of knives – phenomena that have been … Continue reading
Quarrying of soft stone has been done with remarkably uniform methods over the last 5000 years. From Ancient Egypt to modern Norway – soft stone, like sandstone, limestone and soapstone, was nearly always taken from bedrock using chisels or picks. … Continue reading
Denne historien er en liten del av min bok “Nidarosdomens grunnfjell” (2015). Les mer om boken her. Tenk deg at du for nesten 1000 år siden er engelsk byggmester og har fått i oppdrag å reise en av Norges aller … Continue reading
Experimental archaeology in old building stone quarries is a rare activity. But not so for Norwegian stone carver Eva Stavsøien. She asked herself how soapstone was extracted in the Middle Ages. Bringing handmade pickaxes, she went to an abandoned quarry … Continue reading
Over the last few weeks I’ve been back in Norway for projects on conservation of medieval castle ruins, as well as on provenance of medieval and more modern building stone. Here are some impressions!*
Stone to the northernmost of Europe’s great cathedrals was provided from no less than 50 different quarries across Norway and to some extent from elsewhere in Europe. But there are great differences between the medieval building period (11th to 14th … Continue reading
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.