Geol. [f. Gr. εὐ- (see EU-) + τάξις arrangement + -ITE.
The name was given by Fritsch and Reiss, Geol. Beschreibung Tenerife (1868) 414.]
A rock consisting of layers of different kinds of lava lying regularly one above the other.
1879. Rutley, Study Rocks, xii. 233. The eutaxites of the Canary Islands are agglomeratic and banded lavas.
Hence Eutaxitic a., of the nature of eutaxite.
1884. G. H. Williams, in Amer. Jrnl. Sc., Ser. III. XXVIII. 261. The structure termed by Fritsch and Reiss Eutaxitic observed in acid lavas like trachyte and phonolite.