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@doktrock@toad.social
2025-09-17 22:07:43

#Soil section from Naefurholt,
Rangšrvellir, South #Iceland (Jarovegssniò viò Næfurholt
š Rangšrvöllum) shows ash layers, mostly from Hekla and Katla, going back to time of settlement. National Museum in Reykjavík. #volcano

A vertical section of soil with dark layers. These are labeled by the volcano / year which deposited them.