Microphoto of lime mortar based on impure Ringsaker limestone. Fired at tempearture too low to produce slag. The dark elongated fragments are burnt slate/schist components. Photo by Per Storemyr
Microphoto of lime mortar based on impure Ringsakr limestone. Fired at tempearture too low to produce slag. The dark elongated fragments are burnt slate/schist components. Photo by Per Storemyr
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Per Storemyr Geoarchaeology & Conservation 
