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Lamprophyres
Following their recognition by GUmbel (1874), lamprophyres were treated for an entire century as little more than obscure curiosities. Although this situation has changed recently, with a flowering of publications and active workers, lamprophyres remain almost the only group of igneous rocks which have not yet received attention in a dedicated monograph. In five exploratory reviews (1977-1987), the writer aimed to set out what was known about these rocks. The lUGS Subcommission on igneous rock systematics had meanwhile presented its nomenclatural framework (Streckeisen 1979). All this has now been overtaken by a recent explosion of interest, epitomized not least by lamprophyres' greater prom...
American State Papers
Class I. Foreign relations. 6 v. 1st Cong.-20th Cong., 1st sess., April 30, 1789-May 24, 1828.--class II. Indian affairs. 2 v. 1st Cong.-19th Cong., May 25, 1789-March 1, 1827.--class III. Finance. 5 v. 1st Cong.-20th Cong., 1st sess., April 11, 1789-May 16, 1828.--class IV. Commerce and navigation. 2 v. 1st Cong.-17th Cong., April 13, 1789-Feb. 25, 1823.--Class V. Military affairs. 7 v. 1st Cong.-25th Cong., 2d sess., Aug. 10, 1789-March 1, 1838.--class VI. Naval affairs. 4 v. 3d Cong.-24th Cong., 1st sess., Jan 20, 1794-June 15, 1836.--class VII. Post Office department. 1 v. 1st Cong., 2d sess.-22d Cong., Jan. 22, 1790-Feb. 21, 1883.--class VIII. Public lands. 8 v. 1st Cong.-24th Cong., July 1, 1790-Feb. 28, 1837.--class IX. Claims. 1 v. 1st Cong., 2d sess.-17th Cong., Feb. 5, 1790-March 3, 1823.--class X. Miscellaneous. 2 v. 1st Cong.-17th Cong., April 17, 1789-March 3, 1823
