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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
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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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SOAPSTONE! Book on its archaeology and history!
Book: The Stones of Nidaros Cathedral
Book: QuarryScapes
Tag Archives: soapstone
Soapstone in the Far South of Norway (II): The Østre Vimme Multiperiod Quarry With Very Soft Soapstone
Østre Vimme is another of the several old soapstone quarries in the Aust-Agder region of Southern Norway. It was worked in the Iron Age for «standard» vessels, but it has at least three production phases, for which there may be a specific reason: Parts of the quarry feature very talc-rich and soft soapstone, implying that the stone was also easy to carve for small items like spindle whorls, sinkers and lamps. Hence, it would have been a valuable resource for a long time. Softness may be the result of a special geology. Dutch geologists have suggested that this is a deposit not derived from alteration of ultramafic rocks, which is by far most common mode of formation in Norway. Rather, it may derive from alteration of dolomitic limestone. There is only on other known soapstone deposit in Norway with such an origin. Here’s an account of this exciting quarry, also including a discussion of whether soapstone vessels from the quarry were exported to Denmark in the 9th century CE. Continue reading
Soapstone in the Far South of Norway (I): The Sparsås Iron Age Quarry
The region of Aust-Agder in Southern Norway hosts a range of Iron Age soapstone vessel quarries. One of them, the Sparsås quarry in Froland, is exceptionally well-preserved and one of the most “classic” quarries I have ever visited in Norway. With unfinished vessel blanks still attached to the quarry faces and a highly organised layout of the spoil heaps, it once must have been worked in an efficient way, providing vessels and other items for regional use and, quite probably, for export to Denmark and beyond. Here’s an account of the research history, geology and layout of the quarry. A hypothesis is also offered: This was a short-lived quarry, operated for a generation or so within the 9th or 10th century CE. Continue reading
Partner in the Borgund Kaupang Project – on the rise and fall of a medieval town
My company is proud partner in the Borgund Kaupang Project (2019-2023), on the rise and fall of a “lost” medieval town. The project is coordinated by the University of Bergen and financed by the Norwegian Research Council. Together with Alf Tore Hommedal, my task is to source building materials such as marble, soapstone and lime for mortar and to interpret the whole building process, from quarries to churches. Thanks a lot to project manager Gitte Hansen, Therese Nesset and a great international team for a fine kick-off meeting in Ålesund last week! Continue reading
Posted in Marble, New projects, Norway, Old quarries
Tagged Borgund Kaupang, Borgundkaupangen, life in the middle ages, lime, lime mortar, marble, Middle Ages, soapstone
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Historien om et saghus i Gudbrandsdalen: Produksjon av kleberstein som ildfaststein til smelteovner
Bergverkshistorien er full av særegne beretninger. Hva med Einar Sagflaten? Han startet som kleberarbeider som 15-åring og holdt det gående i 43 år i et helt spesielt saghus for stein: Det fortsatt velbevarte saghuset på Sagflaten ved Sel i Gudbrandsdalen. Einar drev på i kulda og kleberføyka til helsa sa stopp og saghuset ble flyttet i 1982. Da hadde han skåret tusenvis av kleberblokker som skulle ut på lange reiser verden over, til Bilbao og Calcutta og Marokko. Der skulle blokkene brukes til å lage smelteovner for celluloseindustrien. Det handler om kleber som ildfaststein. Bli med på en reise gjennom enorme forandringer i steinindustrien – i løpet av bare 40 år. Det blir også en svipptur til kleberindustrien USA og ikke minst til de gamle jernverkenes masovner. For også her trengtes det ildfaststein. Continue reading
Posted in Norway, Old quarries
Tagged furnace, ildfaststein, industrial history, industrihistorie, Kleberstein, Otta, refractory, Sagflaten, smelteovn, soapstone
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Værnes: Norges mest komplette sandsteinskirke fra middelalderen
Den er dekorert med elementer av kleberstein og klorittskifer, men ellers er det sandstein så langt øyet kan se: Værnes er Norges mest komplette sandsteinskirke fra middelalderen! Den rager i størrelse og volum av brukt sandstein langt over middelalderbyggverk i tilsvarende stein i andre deler av landet! Her er et sammendrag av min artikkel til boken «Værnes kirke – en kulturskatt i stein og tre» som ble utgitt for et par uker siden (november 2016). Det er Grubleseminaret som står bak, med Morten Stige og Kjell Erik Pettersson som fantastiske redaktører av boken! Continue reading
Posted in Archaeology, New publications, Norway, Old quarries
Tagged chlorite schist, Norway, quarry, sandstone, soapstone, Værnes kirke
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Tusen år med brytning av kleberstein tok nettopp slutt. En historie om mekanisering og globalisering. Og om å gjenoppdage gammelt håndverk
Det er ytterst vanskelig å skaffe kleberstein til restaurering av Norges middelalderkirker. Til og med avisene har fått det med seg. Ved Nidarosdomen, Stavanger domkirke og i Bergen klør man seg i hodet: Det finnes ingen kleberbrudd i drift i Norge! De har blitt offer for globalisering. Hva er redningen? Kan man lære av hvordan kleberstein ble tatt ut manuelt i gamle dager? Kan man låne kunnskap fra et tilgrensende fagområde, nemlig bruk av kalkmørtel? De gamle bygningene trenger også sårt til god kalkmørtel! Problemet har vært at kunnskap om gammel kalkproduksjon har lagt nede i mer enn 50 år. Men nå produseres det brent kalk som aldri før i små «middelalderovner». Håndverket har blitt aktivt vekket til live gjennom eksperimentell virksomhet. Støttet av kulturminnevernet. Kan vi også vekke det gamle steinbryterhåndverket til live igjen? Til glede for restaurering? Continue reading
New open-access book: Soapstone in the North. Quarries, Products and People. 7000 BC – AD 1700
NEW BOOK: Hansen, G. & Storemyr, P. (eds.) 2017. Soapstone in the North: Quarries, Products and People. 7000 BC – AD 1700. UBAS University of Bergen Archaeological Series, 9, 408 p. Abstract: “Soapstone is a remarkable rock. While it is soft and very workable, it is also durable and heat-resistant, and with a high heat-storage capacity. These properties have been recognised and valued around the world since prehistoric times, and soapstone has been used for a multitude of purposes, ranging from everyday household utensils to prestigious monuments and buildings. This book addresses soapstone use in Norway and the North Atlantic region, including Greenland. Although the majority of the papers deal with the Iron Age and Middle Ages, the book spans the Mesolithic to the early modern era. It deals with themes related to quarries, products and associated people and institutions in a broad context. Recent years have seen a revival of basic archaeological and geological research into the procurement and use of stone resources. With its authors drawn from the fields of archaeology, geosciences and traditional crafts, the anthology reflects cross-disciplinary work born of this revival.” Continue reading
Posted in Archaeology, New publications, Norway, Old quarries
Tagged artefacts, Greenland, Iron Age, Kleberstein, Mesolithic, Middle Ages, North Atlantic, Norway, old quarries, provenance, soapstone
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Per Storemyr Geoarchaeology & Conservation 