 | | Journal (article/letter/editorial) | | looking northwest acro88 the cliff’s of Glen Cove to South Park and the Tarryall Mountains. Researchers have...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...1978; Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter |  | | Report (chapter) | | the LIBRARY South Platte District, Colorado · by Wm. B. Simmons and E. Wm. Heinrich Colorado Geological...Denver, Colorado I 1980 Front cover: Wide Angle photograph of the Oregon No. 2~ pegmatite, South Platte...Platte pegmatite district, Colorado. This striking example graphically illustrates the exceptionally welldeveloped...structural zonation of the pegmatites of this district. A fifty foot high column (40 feet across at the...the bottom of the pit. The quartz core of the pegmatite was left standing in relief as the enveloping |  | Hanson, S. L., Falster, A. U., Simmons, W. B., Brown, T. A. (2012) Allanite-(Nd) from the Kingman Feldspar Mine, Mojave Pegmatite District, Northwestern Arizona, USA. The Canadian Mineralogist, 50 (4) 815-824 doi:10.3749/canmin.50.4.815 | Journal (article/letter/editorial) | | KINGMAN FELDSPAR MINE, MOJAVE PEGMATITE DISTRICT, NORTHWESTERN ARIZONA, USA Sarah L. HANSON§ Geology Department... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER, William B. SIMMONS and TJ...Drive, New Orleans, Louisiana 70148, USA Abstract The Kingman pegmatite, located in the Cerbat Range in northwestern...Paleoproterozoic granitic rocks. This post-orogenic pegmatite was intruded into these granites during the middle...along the recrystallized rim. As the Kingman pegmatite is not associated with a parental granite and |  | | Journal (article/letter/editorial) | | on analysis of samarskite-(Yb) from the Little Patsy pegmatite annealed under a weakly reducing atmosphere...collected from a granitic pegmatite in Centennial Cone, Jefferson County, Colorado (U.S.A.). Table 1 lists...sample, and with values from powdered monazite, thorite, uraninite, and zircon samples crushed to comparable...temperature (K) RT 873 Zircon RT 873 Uraninite RT 873 Thorite RT 873 Figure 1. Photo of fully metamict samarskite...samarskite (SCC) from Centennial Cone, Colorado, U.S.A. The specimen is 4 cm in length. About half of the |  | Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | | Alps, Italy, pegmatite dikes are unique in the scenario of a tertiary alpine pegmatite field because...considered magmatic pulses that led to emplace the pegmatite field in the Central Alps. As an example, the...[11–15]. Arvogno pegmatite dikes (Figure 1) are unique within the tertiary alpine pegmatite field [16,17]...The Arvogno pegmatite dikes (Figure 1) are within thepegmatites tertiary alpine pegmatite field showing...Geological Sketch The tertiary, oligocenic, Alpine pegmatite field [16,17] is located in the Central Alps, |  | Ge, Xiangkun, Fan, Guang, Li, Guowu, Shen, Ganfu, Chen, Zhangru, Ai, Yujie (2017) Mianningite, ([], Pb, Ce, Na) (U4+, Mn, U6+) Fe3+ 2(Ti, Fe3+)18 O38, a new member of the crichtonite group from Maoniuping REE deposit, Mianning county, southwest Sichuan, China. European Journal of Mineralogy, 29 (2) 331-338 doi:10.1127/ejm/2017/0029-2600 | Journal (article/letter/editorial) | | crichtonite group from Maoniuping REE deposit, Mianning county, northwest Sichuan, China 4 XIANGKUN GE1,*, GUANG...group from the Maoniuping REE deposit, Mianning county, Sichuan province, China. It was found in fractures...bastnäsite-(Ce), parisite-(Ce), maoniupingite-(Ce), thorite, pyrochlore-group minerals and chlorite. Mianningite... The Maoniuping deposit is located in Mianning county, Sichuan province, China, and is the third largest...Obo deposit, China, and the Mountain Pass deposit, USA (Yang et al., 2000, 2001). Recently, two new minerals |  | | Journal (issue) | | Zoned eosphorite from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .........................Frondel Fluocerite-(Ce) and other minerals from the Little Patsey quarry ........... 429 by M . I. Jacobson...catalogs from 1982 and earlier. These are probably of little use now to the average collector, but we’d like...cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...PUBLISHING P.O. Box 37072, Tucson, Arizona 85740 USA Richard A. Bideaux, General Partner (602) 297-4862 |  | | Journal (issue) | | Zoned eosphorite from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .........................Frondel Fluocerite-(Ce) and other minerals from the Little Patsey quarry ........... 429 by M . I. Jacobson...catalogs from 1982 and earlier. These are probably of little use now to the average collector, but we’d like...cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...PUBLISHING P.O. Box 37072, Tucson, Arizona 85740 USA Richard A. Bideaux, General Partner (602) 297-4862 |  | | Book | | ........................................... 82 South Africa ...... ... ................................is a fue l for reactors to produce electricity, mining operati ons. Robert Lau f presents here a highly...softvva re, using data files from the Boulder, Colorado; Pau la Piilonen, Candian Museum of An1erican...structures in three dimensions for a richer Mountain Mining; Leonard Himes and Michael Jacob, appreciation...Czech Republic) and elsewhere in the Erzgebirge district. Those n1ines had been \VOrked for silver and |  | | Journal (issue) | | in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...paleoclimate controls of lithium-cesium-tantalum (LCT) pegmatite genesis, exhumation, and preservation……………………...rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………...REIMER, W. Mineralogical study of the Gonçalo Li-pegmatite deposit, Portugal……………………………………..23 FALSTER,...tz assemblage in the Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia, Africa...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some |
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Little Patsy pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA