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Publikováno v:
Sedimentary Geology. 123:63-80
On the Baltic platform a lower Llanvirn (Ordovician) iron oolite can be traced for a distance of 1200 km from Norway to the east of Lake Ladoga in Russia. This oolite is usually thin (seldom exceeding 0.5 m) and is dominated by goethite (limonite) ty