petrofabrics
/ˈpɛtrəʊˌfabrɪks/Geology
noun
1The branch of geology concerned with the texture and microscopic structure of rocks, especially as guides to the movements to which they have been subjected.
2The texture and microscopic structure of a rock or rocks.
Origin
1930s. From petro- + fabric, after German Gefügekunde der Gesteine.