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GL5 Resources 2004 Q3 Bulk Materials

GL5 Resources 2004 Q3 Bulk Materials. With reference to one named non-metallic mineral of industrial value : ( a)Describe the geological processes responsible for its formation. ( b ) Outline the stages in its processing from extraction to finished product. GL5 Resources 2004 Q3 Bulk Materials.

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GL5 Resources 2004 Q3 Bulk Materials

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  1. GL5 Resources 2004 Q3 Bulk Materials With reference to one named non-metallic mineral of industrial value : (a)Describe the geological processes responsible for its formation. (b) Outline the stages in its processing from extraction to finished product.

  2. GL5 Resources 2004 Q3 Bulk Materials (a)Examples sand and gravel, clays(incl. kaolin), limestones, gypsum, talc, slate etc. Origins described : sedimentary / igneous / metamorphic processes which may include reference to "purity" (if relevant) and accumulation of sufficient bulk for the deposit to be economic. e.g. Kaolin - (hydrothermal) chemical breakdown of (granite) feldspars. Igneous environment. Limestone - warm, shallow, clear, marine waters. Accumulation of skeletal material (bioclastic / chalk). Water movement for oolitic.

  3. GL5 Resources 2004 Q3 Bulk Materials (b)Stages to include (?) : (e.g.) Kaolin : water jetting settling tanks used in paper, bone china etc. Limestone : drilling blasting crushing roasting to lime for (e.g.) cement. cutting / (polishing) to building stone.

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