A zone of secondary mineralization intersecting a main strike from a perpendicular or other angle
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Tag: <span>O</span>
A clear, diatomic gaseous element. Symbol, O
A crystal structure having 8 triangular sides
The compound of an element with oxygen produces an oxide of that element
A dark to black coloured highly siliceous volcanic glass
A chemical change caused by the introduction of oxygen
Where older rock beds have been moved over younger rock beds
Exposed rock or mineralization at surface
The period of geological time where the Earths crust folded sufficiently to create mountains