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	*Tanskanen, Heikki (ed.) (1986) The development of geological sciences in Finland. Bulletin de la Commission Géologique de Finlande* Vol. 336. Geological Survey of Finland**	Journal (volume)
	carried out his search in Finland and Kalm his in North America . At about the same time the first copper...duties. He diseovered the Sillböle iron ore deposits north of Helsinki and was a partner in the mining eompany...of the gold rush that could be expected in the north in 1870. The Mining Board erected an administration...sehists NW of Lake Ladoga Lapponian Lapponian iron-bearing formations and greenstones in Finnish Lapland Uneonformity...J. , 1980. Main features of the stratigraphy of North Finland. In: latulian geo logy Geologica l Survey

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Titanium-bearing Magnetite from Nyiragongo Volcano, Nyiragongo Territory, North Kivu, DR Congo

Titanium-bearing Magnetite from
Nyiragongo Volcano, Nyiragongo Territory, North Kivu, DR Congo