tescheniten.
/ˈtɛʃɪnʌɪt/ Geology.
A name given to certain eruptive rocks, occurring at Teschen in Silesia and elsewhere, intercalated and intrusive in the Cretaceous formation. Used by different geologists with very varying extension.
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the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > other igneous
clay-stone1777
variolite1781
pyroxenite1845
aplite1862
anorthosite1863
teschenite1866
yellow ground1883
kimberlite1887
sanidinite1887
websterite1890
essexite1891
monzonite1895
missourite1896
theralite1898
heronite1899
kentallenite1900
carbonatite1924
wonderstone1936
1866 P. H. Lawrence tr. B. von Cotta Rocks Classified ii. i. 148 Teschinite... Is the name given..to a rock whose mass is chiefly felsitic, and in which hypersthene forms long black needles.
1888 F. Rutley Rock-forming Minerals 115 A constant constituent of the rocks termed Teschenites.
This entry has not yet been fully updated (first published 1911; most recently modified version published online December 2020).
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n.1866