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iron mining introduction

Iron Mining Introduction

minerals education coalition,taconite is a low-grade iron ore, containing up to 30 magnetite and hematite. type. element (minerals/ores of). mineral classification. oxide. chemical formula..iron-ore deposits of the iron mountain district, washington ,reserves available for open-pit mining are 150,000 to 200,000 tons, of which only about 20,000 tons are measured ore. introduction. scope of this .

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