 | | Journal (article/letter/editorial) | | GEOLOGICAL SETTING OF PROTEROZOIC REE-RICH GRANITIC PEGMATITES OF THE NORTH-CENTRAL AND SOUTHWESTERN US William...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements ranging...southwestern trend from Wisconsin through Colorado to Arizona. Four widely geographically spaced pegmatite districts |  | | Journal (article/letter/editorial) | | Madison St., Adrian, Michigan 49221, USA ABSTRACT Pegmatites containing rare elements can be grouped...classification includes pegmatites that are enriched in lithium, cesium, and tantalum (LCT pegmatites) and those that...rare-earth-elements (REE), and fluorine (NYF pegmatites). A small number of pegmatites do not fall neatly into these...characteristics of both groups (mixed LCT þ NYF pegmatites) and (2) those that lack one of the chemical...post-collisional tectonic settings, whereas NYF pegmatites form in anorogenic and postorogenic settings |  | | Book (edition) | | MINERALOGY OF ARIZONA,FOURTHEDITION V e a o_ of li rizo TI RAYMOND W. GRANT RONALD B. GIBBS...CALLAHAN THE UNIVERSITY OF ARIZONA PRESS TUCSON f -- The University of Arizona Press www.uapress.arizona...arizona.edu © 2022 by The Arizona Board of Regents All rights reserYed. Published 2022 ISBN-13: 978-0-8165-4358-8...Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...Grant, Raymond \X'.,author. Title: Mineralogy of Arizona/ Raymond W. Grant [and 4 others] ; maps and illustrations |
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