petrotectonicsn.
/ˌpɛtrə(ʊ)tɛkˈtɒnɪks/, U.S. /ˌpɛtroʊˌtɛkˈtɑnɪks/ Geology.
The branch of geology concerned with the structure of rocks, esp. as a guide to the movements to which they have been subjected; = petrofabrics n. 1.
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the world > the earth > earth sciences > geology > [noun] > tectonics
geotectonics1858
petrotectonics1933
tectonics1976
1933 Amer. Jrnl. Sci. 225 433 (heading) Petrotectonics.
1933 Amer. Jrnl. Sci. 225 439 Sander uses the word petrotectonics to express the branch of the investigation that deals with the relation of the oriented microscopic fabric of deformed rocks to their tectonic history.
1937 Q. Jrnl. Geol. Soc. 93 581 The science of Gefügekunde, variously translated as petrofabrics, petrotectonics, or structural petrology, is understood to comprise a study of all the spatial data, macroscopic and microscopic, which go to form a complete vector-picture so far as this is legible in the make-up of the rock.
1974 Nature 10 May 107/3 Evidence supporting the composite nature of Asia has been adduced from palaeomagnetism, palaeontology, geology and petrotectonics.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1933