Point counting (geology) (Geology ⛰️)

In geology, point counting is a method to determine the proportion of an area that is covered by some objects of interest. In most cases the area is a thin section or a polished slab. The objects of interest vary between subdisciplines and can for example be quartz or feldspar grains in sedimentology, any type...

https://en.wikipedia.org/wiki/Point_counting_(geology)

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