 | | Journal (article/letter/editorial) | | Rare Earth Mining and Exploration in North America The Mountain Pass deposit, California Anthony N.... Mariano1 and Anthony Mariano Jr.2 1811-5209/12/0008-0369$2.50 T DOI: 10.2113/gselements.8.5.369 he...(REEs) in North America are abundant and diverse in mineralogy and geology. The Mountain Pass carbonatite...tonnage of REEs, amenability to mineral processing and extraction of the REEs must be definitively established...geochemical, and petrological characterizations are a vital requirement in mineral exploration and are particularly |  | | 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) | | 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) | | suite, an example of Ediacaran-Cambrian deformed alkaline rocks in the Araguaia Belt, Central Brazil. Implications...Botelho and E.L. Dantas, Monte Santo suite, an example of Ediacaran-Cambrian deformed alkaline rocks in...acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not...will undergo additional copyediting, typesetting and review before it is published in its final form,...may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain |  | 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 |  | | 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 |
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