| 释义 |
wyomingite, n.|waɪˈəʊmɪŋaɪt|
[f. Wyoming, name of a state of the western U.S. + -ite1.]
1. Petrogr. A porphyritic volcanic rock, usu. of a light brown colour, which consists of roughly equal amounts of leucite and ferromagnesian minerals, and contains phenocrysts of phlogopite.
1897W. Cross in Amer. Jrnl. Sci. IV. 120 The only rock type from this locality [Leucite Hills] described by Zirkel or Emmons is, according to the experience of both Kemp and myself, much less abundant than the next variety to be discussed. From reasons to be more fully presented later on, I believe that this rock should receive a special name, and hence it is proposed to call it wyomingite, from the State in which it occurs. 1913J. P. Iddings Igneous Rocks II. 265 Wyomingite..is a light brown aphanite with small phenocrysts of brown phlogopite. 1938A. Johannsen Descr. Petrogr. Igneous Rocks IV. i. 357 The wyomingite..at the Boar's Tusk..occurs in the form of a volcanic plug. 1967Contrib. Mineral. & Petrol. XV. 24 Many of the wyomingite lavas have an extremely fine-grained vesicular groundmass..which contains very little glass. 1985E. A. K. Middlemost Magmas & Magmatic Rocks xii. 210/1 Typical lamproites include cedricite, fitzroyite, mamilite, orendite, wolgidite and wyomingite.
2. With capital initial. A native or inhabitant of Wyoming.
1930Wyoming State Tribune 12 May 4 It is open only at Fort Warren for young Wyomingites who reside elsewhere than in the five counties heretofore mentioned. 1976Billings (Montana) Gaz. 5 July 1-d/5 We tried to show the nation that Wyomingites could lead if we wanted to and if we got up and did it. 1986Sodaro & Adams Frontier Spirit viii. 173 For miles around, Wyomingites would gather for any special occasions. |