Microcracks in rock (Petrology 💎)

Microcracks in rock, also known as microfractures and cracks, are spaces in rock with the longest length of 1000 μm and the other two dimensions of 10 μm. In general, the ratio of width to length of microcracks is between 10−3 to 10−5. Due to the scale, microcracks are observed using microscope to obtain their basic characteristics. Microcrack ...

https://en.wikipedia.org/wiki/Microcracks_in_rock

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