 | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 December 2015 PICK&PACK Vol 55 .... Number 10...Mark Lemesany COLORADO MINERALOGICAL SOCIETYPICK PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 December...Senior Center is located at 1514 North Hancock in Colorado Springs. For more information on any of the sub-groups...combined with the gem & mineral show); Boulder County Fairgrounds, Exhibit Building, 9595 Nelson Rd....Modreski on “Colorado Mineral Collecting” at 3 p.m. on Sunday. Thurs., Dec. 17, 6:00 p.m., Colorado Scientific |  | | Journal (article/letter/editorial) | | 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...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...along a southwestern trend from Wisconsin through Colorado to Arizona. Four widely geographically spaced...South Platte (SP), in Colorado, circa 1.6 Ga Trout Creek Pass (TCP), also in Colorado, and circa 1.5 Ga Mojave |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2015 PICK&PACK Vol 55 ...... Number 6 Inside...Jacobson Topic: Pegmatitic Rare-earth Minerals of Colorado: Species and Identification Refreshments provided...Friends of Mineralogy, Colorado Chapter. Mark has collected rare earth minerals in Colorado, Texas, Wyoming...Minerals of Colorado: Species and Identification Most of the pegmatitic rare-earth minerals in Colorado are found...Jefferson County; St. Peters Dome district, El Paso County, Trout Creek Pass district, Chaffee County, and |  | | Journal (article/letter/editorial) | | Eur. J. Mineral. 2002, 14, 141-150 Metamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced...structural-geometrical variations affecting the structure of aeschynite when heated in air, the heatinduced recrystallization...increase of heating temperature, other phases than aeschynite progressively crystallized (i.e. pyrochlore,...changes of the cation site-population. Key-words: aeschynite-(Y), Ti-Nb-Ta-oxides, rare earth elements, Rietveld...infrared spectroscopy. Introduction Minerals of the aeschynite series and the euxenite series (type-formula |
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Clora May Mine, Newett, Buena Vista, Chaffee County, Colorado, USA