Question

What are the mode of occurence and formation of minerals?​

Answer 1

Minerals occur in the earth's crust as: Veins and lodes in igneous and metamorphic rocks. Beds or layers in sedimentary rocks. Alluvial or placer deposits on valley floors.

Minerals can form on the surface through evaporation of solutions containing dissolved minerals. Minerals can form beneath the surface when dissolved elements and compounds leave a hot water solution or when materials melted in magma/ lava then cools & hardens.

Answer 2

The mode of occurence and formation of minerals are -

(1)Igneous, or magmatic, in which minerals crystallize from a melt.

(2)Sedimentary, in which minerals are the result of sedimentation, a process whose raw materials are particles from other rocks that have undergone weathering or erosion.

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