Question

Where do minerals occur in igneous and metamorphic rocks? 1 mark

Answer 1

In igneous and metamorphic rocks: The smaller occurrences are called veins and the larger occurrences are called lodes. They are usually formed when minerals in liquid/molten and gaseous forms are forced upwards through cavities towards the earth's surface. Examples: tin, copper, zinc, lead, etc.

Answer 2

in igneous and metamorphic rocks the minerals may occur in faults , cracks and cervices..etc.. (the smaller ones are called veins and the larger ones are called lodes.)