Blar i NGU Open Archive på forfatter "Andresen, Joh. C."
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En nyfunden flek af primordial i Hennungbygden, Grans præstegjeld
Andresen, Joh. C. (NGU (1), Journal article, 1891)Forkortet: The annexed map shows the locality who is situated about 60 kilometres to the north of Christiania. The alum-shist contains agnostus pisiformis. The overlying mass of the eruptive diabase-porphyrite has probably ...