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Welcome!
I work with the geoarchaeology of old stone: quarries, monuments, rock art. And I try to figure out about their weathering, and conservation using traditional crafts. I also burn lime the traditional way. Many of my domestic services are managed through FABRICA, a registered Norwegian company established with good partners. On this website I publish articles on geology and cultural heritage. For the joy of old stone! Per Storemyr
Visit FABRICA’s website!

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Recent posts
- Soapstone in the Far South of Norway (II): The Østre Vimme Multiperiod Quarry With Very Soft Soapstone
- Soapstone in the Far South of Norway (I): The Sparsås Iron Age Quarry
- Tafoni-forvitring i larvikitt på Rakke ved Stavern
- Bioerosion of shells on the beach – and in old Norwegian lime mortars
- Madam Jørgensens 230 år gamle feltspatgruve i Narestø
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Tag Archives: Grünenfels
The Mauerzahn at Grünenfels castle ruin (CH) revisited after massive snowfall
Ten days ago winter arrived in the Swiss Alps with massive snowfall. Subsequent temperature increase and intensive rainfall led to major floods, avalanches and destruction of infrastructure such as villages and roads. Such events sometimes also affect old buildings and … Continue reading
Posted in Ruins, Switzerland, Weathering history
Tagged Graubünden, Grünenfels, ruin, Surselva, Switzerland, weathering
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A Mauerzahn at Grünenfels castle ruin (CH): Surviving 2011?
Switzerland has a wealth of medieval castle ruins. In the Canton of Graübunden they are particularly numerous with, for example, the valley of Vorderrheintal (Surselva) displaying no less than about 50 ruins. Some are almost gone, others are kept in … Continue reading
Posted in Ruins, Switzerland, Weathering history
Tagged Graubünden, Grünenfels, historic photos, ruin, Surselva, Switzerland, weathering
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