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A marked point where a mineral has been found.
Also known as: Mineral showing symbol, Mineralisation point symbol
On a geological map a mineral occurrence is drawn as a small symbol at the point where a particular mineral has been recorded, usually annotated with which one.
Marks a point at which a named mineral has been observed.
Contexts: Maps
Records an observation and not a resource: an occurrence says a mineral is present, nothing about whether there is enough of it to be worth working.
Contexts: Maps
A small open square or circle at the observation point with an abbreviation beside it naming the mineral.