The mineral chemistry of hydrothermally altered and Springer Link
wall rocks at the Stollberg Fe Pb Zn Mn( Ag) deposit,Bergslagen.Swedenrich skarn iron ores and sulphide ores in Bergslagen,south central1.9 Ga old volcano sedimentary formation (Lundqvist,1979)calc alkaline volcanic trends with I type granitoids have been em phasized.(The petrogenetic grid (Fig.
Iron Ore Natural Resources Government of Newfoundland and.
Mineral Commodities of.Newfoundland and Labrador.Iron Ore.Foreword.This is thetype iron formations formed on continental margins,with ~1.88 Ga,during this second major phase of iron deposi tion.nificant manganese (1 to 2.5%),which can restrict sale of ore in Grid shows individual 1:50K map sheets.Contact Us