单词 | tillite |
释义 | tillite Geol.|ˈtɪlaɪt| [ad. G. tillit (A. Pencke 1906, in Geogr. Zeitschr. XII. 608): see till n.2, -ite1.] A sedimentary rock composed of glacial till compacted into hard rock.
1907E. Blackwelder in B. Willis et al. Res. in China (Carnegie Inst. Publ. No. 54) I. i. xii. 267 (heading) Basal quartzite and glacial tillite. [Note] Tillite, a term recently proposed for consolidated till. 1944A. Holmes Princ. Physical Geol. xxi. 500 Tillites of the same age have been found in the north of Angola, in the eastern Congo, in Uganda, and in Madagascar. 1977A. Hallam Planet Earth 87 (caption) Striations on smaller rock bodies may be used to identify those as tillites (glacial till converted to rock) rather than tilloids, which are superficially similar. |

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