 | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Journal (article/letter/editorial) | | PEGMATITES KEYSTONE AREA+ APSOURI Detailed mapping of the Hugo, Peerless, Dan Patch, Bob Ingersoll and lesser...lesser pegmatites in the Keystone area, supported by critical study of the relations between their minerals...over-emphasized. The spodumene "Iogs" at the Etta mine are not products of replacement. (4) The common...visits and mapping, concurrent with the progress of mining, are essential to uncover significant data, otherwise...heretofore been reported from the Michigan iron mining districts. The first of these, stilpnomelane, occurs |  | | Journal (article/letter/editorial) | | 1515 COMPOSITIONAL AND STRUCTURAL VARIATIONS IN COLUMBITE-GROUP MINERALS FROM GRANITIC PEGMATITES OF THE...numerous rare-element granitic pegmatites that carry columbite-group minerals (CGM) as the principal (Nb,Ta)-bearing...fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist of columbite-(Fe), commonly...pegmatites from the Oxford field carry columbite-(Fe), columbite-(Mn) and tantalite-(Mn) with low Ti and...field. Limited concurrent fractionation of Mn from Fe and Ta from Nb observed in the Brunswick pegmatite |  | | Journal (article/letter/editorial) | | Magmatic-hydrothermal processes recorded by muscovite and columbite-group minerals from the Bailongshan rare-element...Magmatic-hydrothermal processes recorded by muscovite and columbite-group minerals from the Bailongshan rare-element...Magmatic-hydrothermal processes recorded by muscovite and columbite-group minerals from the Bailongshan rare-element...and trace element compositions of muscovite and columbite- group oo minerals (CGM) from the newly discovered...metasomatism caused the 2 Journal Pre-proof release of Fe, Mn, B, Rb and Cs from primary muscovite, and induced |  | Garate-Olave, Idoia, Roda-Robles, Encarnación, Gil-Crespo, Pedro Pablo, Pesquera, Alfonso, Errandonea-Martin, Jon (2020) The Tres Arroyos Granitic Aplite-Pegmatite Field (Central Iberian Zone, Spain): Petrogenetic Constraints from Evolution of Nb-Ta-Sn Oxides, Whole-Rock Geochemistry and U-Pb Geochronology. Minerals, 10 (11) 1008 doi:10.3390/min10111008 | Journal (article/letter/editorial) | | oxides from Tres Arroyos correspond to columbite-(Fe), columbite-(Mn) and cassiterite. Niobium-Ta oxides...oxides show a marked increase in the Mn/(Mn+Fe) ratio from the barren aplite-pegmatites up to the Li-rich...probable factors controlling fractionation of Mn/Fe and Ta/Nb reflected in Nb-Ta oxides may be attributed...9 Ma, determined by LA-ICP-MS U-Pb dating of columbite-tantalite oxides, reinforces the linkage of the...and the cited parental monzogranite. Keywords: columbite-tantalite group minerals; cassiterite; aplite-pegmatite; |  | Cao, Rui, Gao, Yongbao, Chen, Bin, Bagas, Leon, Yan, Shengchao, Huang, Chao, Zhao, Hui (2023) Pegmatite magmatic evolution and rare metal mineralization of the Dahongliutan pegmatite field, Western Kunlun Orogen: Constraints from the B isotopic composition and mineral-chemistry. International Geology Review, 65 (7) 1224-1242 doi:10.1080/00206814.2021.1899062 | Journal (article/letter/editorial) | | Tarim Basin to the north and Tibetan Plateau to the south (Figure 1a). The orogen has a complex tectonic history...terranes are commonly known as the North Kunlun, South Kunlun, Tianshuihai, and Karakorum terranes (Figure...(Animaqin-Kangxiwa-Mazha Suture), JS (Jinsha Suture), SQS (South Qilian Suture), GLS (Ganzi-Litang Suture), ATF (Altyn...environment following the col lision between the South Kunlun and Tianshuihai ter ranes (Zhang et al....SA No. 90–1 pegmatite dike yield a LA-ICP-MS columbite(Fe) U–Pb age of 212 ± 2 Ma and a LA-ICP-MS cassiterite |  | Mohammad, Yousif, Kareem, Hiwa, Anma, Ryo (2016) The Kuradawe Granitic Pegmatite From the Mawat Ophiolite, Northeastern Iraq: Anatomy, Mineralogy, Geochemistry, and Petrogenesis. The Canadian Mineralogist, 54 (4) 989-1019 doi:10.3749/canmin.1600028 | Journal (article/letter/editorial) | | rutile, chlorapatite, chlorite, Sc-bearing columbite-(Fe), uraninite, U-rich thorite, and xenotime-(Y)...setting. The pegmatite is classified as beryl-columbite subtype of the LCT family. The restricted occurrence... West Chester, PA, USA), orthoclase (K), rutile (Ti), Mn metal (Mn), Fe metal (Fe), Zr metal (Zr; SPI)...minerals are tourmaline, muscovite, andalusite, and columbite. Andalusite occurs as clusters of small rounded...heterogeneous in composition, particularly with respect to Fe and Mg (Table 3). The FeO contents increase coreward |  | | Journal (issue) | | Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA, A.,...Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para... J., RODA-ROBLES, E., VILLASECA, C., SIMMONS, W. Fe-Mn-(Mg) distribution in primary phosphates and silicates...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA...pegmatites with mixed LCT-NYF characteristics of the South Sangilen pegmatite belt, Tyva Republic, Russia… |  | | Journal (issue) | | .......................... 454 DAY THE BILBAO MINE, ZACATECAS, MEXICO. By Lotti-s W. Van ce ....................................491 TES ON THE ECTON MINE, MONT. CO., PENN. By A. J. Boucot ........492 GILLETTE...Helen Stobbe ...... 496 GE PETRIFIED TREE FOUND IN SOUTH DAKOT A .............................. 502 EST ROCK...dragging ob- 452 jccts across it. (6) On the south coast of the Island of Kauai in the Hawaiian group...the southeastern border of the Kalahari desert in South Africa there is an area of singing sand which is |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also...198 *210 216 *220 225 *229 231 Fe 0.32 reaJ Rem. A nal. , is Fe 0.32, Si02 0.28. for F2O3 read...Group tabulation, after 2656 Pentlandite for (Fe, Ni)S read (Fe, Ni)9S8. — . . NOTES AND NEWS under Artif... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in |  | | Thesis/Dissertation | | http://www.duo.uio.no/ Abstract In the Kragerø area in South Norway, tourmaline is commonly found in Sveconorwegian...the Kragerø pegmatite field - Bamble pegmatite district.................. 41 Lindvikskollen pegmatite...... 43 Other investigated pegmatites from the South Norwegian pegmatite province .....................Ramfoss pegmatite of the Kongsberg-Modum pegmatite district ................................................Spro pegmatite of the Østfold-Halland pegmatite district. ............................................ |  | | Book | | grouped like the petals of a flower. Cleveland County, Oklahoma. Minerals Past and Present (75 percent)...locality is limited to a small district near Muzo in Colombia, South America. Minerals containing specific...Golden Fleece is an early recognition of placer mining. Gold was used by the ancient Babylonians, Assyrians...turquoise mines on the Sinai Peninsula, 1 where mining was conducted with the use of stone tools and other...REFERENCES 1. S. H. Ball, "Historic Notes on Gem Mining," Economic Geowgy, Vol. 26, 1931, pp. 681-738. |
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Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA