| 释义 |
amphibolite, -yte Min.|æmˈfɪbəlaɪt|
[f. as prec. + -ite.]
= Hornblende-rock or Diabase.
1833Lyell Elem. Geol. (1865) 593 Amphibolite—is a trap of the basaltic family. 1868Dana Min. 240 Hornblende-rock or amphibolyte, consists of massive hornblende of a dark greenish-black or black colour, and has a granular texture. Ibid. 343 If the hornblende and labradorite constitute a homogeneous fine-grained compact mass, the rock is called amphibolyte or diabase.
Add: Hence amphiboˈlitic a., of the nature of amphibolite; resembling amphibolite in composition.
1903A. Geikie Text-bk. Geol. (ed. 4) II. 804 A conformable series of sericitic, amphibolitic, chloritic, and other schists. 1952Norsk Geol. Tidsskr. XXX. 128 The final product of metamorphism is a crystalloblastic, amphibolitic rock, including biotite, garnet and diopside. 1989Nature 20 July 223/1 A foliated orthogneiss consisting of tonalitic and amphibolitic layers alternating on a centimetre scale. |