| 释义 |
tachylite, -lyte Min.|ˈtækɪlaɪt|
[ad. Ger. tachylit (Breithaupt 1826), f. Gr. ταχύ-ς swift + λυτός soluble, in reference to its easy fusibility.]
‘A black basaltic glass, formerly regarded as a homogeneous mineral’ (Chester Dict. Min.).
tachylyte basalt, a variety of basalt having glassy selvages, and a highly microlithic basis.
1868Dana Min. 245 The species may be the same with tachylyte. 1879Rutley Stud. Rocks x. 113 A proceeding analogous to that which seems to have taken place in some tachylytes. 1888G. A. J. Cole in Q. Jrnl. Geol. Soc. XLIV, 300 On some additional occurrences of Tachylite. Ibid., This tachylite adhered more firmly to the contact rocks than to the mass from which it was developed.
Hence tachyˈlitic, -ˈlytic a., of the nature of, composed of, or containing tachylite.
1888G. A. J. Cole in Q. Jrnl. Geol. Soc. XLIV. 303 The vein..showed thin tachylitic selvage. |