| 释义 |
vogesite Petrogr.|ˈvəʊdʒɪzaɪt|
[ad. G. vogesit (C. H. F. Rosenbusch Mikrosk. Physiogr. (1887) II. 315), f. Vogesen, G. name of the Vosges Mountains in N.E. France: see -ite1.]
A lamprophyre consisting essentially of phenocrysts of hornblende (or augite) in a groundmass containing potash feldspar.
1891F. H. Hatch Introd. Stud. Petrol.: Igneous Rocks v. 97 A second type of syenitic lamprophyre, containing hornblende instead of mica, is termed vogesite by Rosenbusch. 1937A. Johannsen Descr. Petrogr. Igneous Rocks III. 37 The vogesites are greenish, grayish, or black melanocratic rocks when fresh, and reddish or brownish when weathered. 1976Nature 5 Aug. 462/2 The vogesite lava is composed of approximately 85–90% olivine and augite. |