 | | Journal (article/letter/editorial) | | syenites (and phonolites) containing minerals such as eudialyte and rinkite, that is complex silicates...silicates of Zr, Ti, the rare earth elements (REE), and F and other volatiles. There are, however, cases of transition...Li, Be, Nb, Ta, REE, Zr, Th, etc. and of volatiles, first of all F and C1. This gives rise to a wealth...Lovozero and Khibina complexes of the Kola peninsula, about 250 in Mont Saint-Hilaire, Quebec, Canada, and...the Ilfmaussaq complex, South Greenland. These rocks have very long melting intervals and solidus temperatures |  | | Journal (article/letter/editorial) | | Russian Federation Institute of Precambrian Geology and Geochronology, MakaroÕa Emb, 2, St. Petersburg, 199034...intrusion is located 50 km southwest of the Khibina complex, central Kola Peninsula. It forms a lense-like...southern bank of the Imandra lake. Rb–Sr Ž379 " 21 Ma. and Sm–Nd Ž383 " 58 Ma. isochron ages of the intrusion...intrusion coincide with the age of the Khibina and Lovozero complexes. A characteristic feature of the Niva...extremely high agpaicity and enrichment in Sr, Ba, Y, Zr, Nb, Rb, LREE, and volatiles. The mineral association |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER The Axum–Adwa basalt–trachyte complex: a late magmatic activity at the periphery of the...Heidelberg 2013 Abstract The Axum–Adwa igneous complex consists of a basalt–trachyte (syenite) suite emplaced...activity. 40 Ar/39Ar and K–Ar ages, carried out for the first time on felsic and basaltic rocks, constrain...constrain the magmatic age of the greater part of the complex around Axum to 19–15 Ma, whereas trachytic lavas...quartz trachyte lavas east of Adwa to normative (and modal) nepheline syenite subvolcanic domes (the obelisks |  | | Journal (article/letter/editorial) | | sapphirine and surinamite groups (sapphirine supergroup) E. S. GREW1, U. HÅLENIUS2, M. PASERO3 AND J. BARBIER4...Chemistry, McMaster University, Hamilton, Ontario, Canada L8S 4M1 [Received 3 September 2008; Accepted 13...isostructural with sapphirine-1A, sapphirine-2M, and surinamite are closely related chain silicates that...nomenclature problems because of the large number of sites and potential constituents, including several (Be, B...nomenclature for the sapphirine group (formerly aenigmatite group) makes extensive use of precedent, but |  | | Journal (volume) | | L L E T I N 1 9 0 · 2001 The Ilímaussaq alkaline complex, South Greenland: status of mineralogical...with list of minerals GEOLOGICAL SURVEY OF DENMARK AND GREENLAND MINISTRY OF THE ENVIRONMENT 1 Geology...Greenland Survey Bulletin 190 Keywords Agpaite, alkaline, crystallography, Gardar province, geochemistry...kakortokites in the southern part of the Ilímaussaq alkaline complex, South Greenland. The central part of the...layered kakortokite series and the overlying transitional kakortokites and aegirine lujavrite on Laksefjeld |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | James Dwight Dana and Edward Salisbury Dana EIGHTH ENTIRELY REWRITTEN EDITION AND GREATLY ENLARGED ...ROCHESTER ACADEMY OF SCIENCE, ROCHESTER, NEW YORK And with Illustrations by ERIC DOWTY SHAPE SOFTWARE...All rights reserved. Published simultaneously in Canada. Reproduction or translation or any part of this...This publication is designed to provide accurate and authoritative information in regard to the subject...of James Dwight Dana and Edward Salisbury Dana. — 8th ed., entirely rewritten and greatly enl. / by Richard |
|
