tachylitetachylyten.
/ˈtakɪlʌɪt/ Mineralogy.
‘A black basaltic glass, formerly regarded as a homogeneous mineral’ (A. H. Chester Dict. Names Minerals). tachylyte basalt, a variety of basalt having glassy selvages, and a highly microlithic basis.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap > basalt > other basaltic
bluestone1849
palagonite1851
tholeiite1866
tachylite1868
anamesite1876
dhu stone1879
hyalomelan1879
tephrite1879
shoshonite1895
pseudotachylite1917
ankaramite1926
oceanite1926
1868 J. D. Dana Syst. Mineral. (ed. 5) 245 The species may be the same with tachylyte.
1879 F. Rutley Study of Rocks x. 113 A proceeding analogous to that which seems to have taken place in some tachylytes.
1888 G. A. J. Cole in Q. Jrnl. Geol. Soc. 44 300 On some additional occurrences of Tachylite.
1888 G. A. J. Cole in Q. Jrnl. Geol. Soc. 44 300 This tachylite adhered more firmly to the contact rocks than to the mass from which it was developed.
Derivatives
tachyˈlitic adj. (also tachyˈlytic) of the nature of, composed of, or containing tachylite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap > basalt > other basaltic
palagonitic1867
tachylitic1888
tephritic1889
nephelinitic1909
spilitic1911
tholeiitic1922
shoshonitic1937
ankaramitic1971
1888 G. A. J. Cole in Q. Jrnl. Geol. Soc. 44 303 The vein..showed thin tachylitic selvage.
This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022).
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n.1868