 | | Journal (article/letter/editorial) | | Stuttgart, Juni 2004 A contribution to the study of kotoite: data on three Romanian occurrences Ştefan Marincea...Marincea, Ş. (2004): A contribution to the study of kotoite: data on three Romanian occurrences. – N. Jb. Miner...Samples of kotoite from three boron-bearing magnesian skarns in Romania (Baiţa Bihor, Pietroasa and Cacova...Paleocene age with dolomite sequences. The grains of kotoite are typically rounded and coated by thin seams...apfu Mn at Baiţa Bihor, 0.016 to 0.017 apfu Fe and 0.003 to 0.004 apfu Mn at Pietroasa and 0.046 to 0.063 |  | | Journal (article/letter/editorial) | | boron-bearing deposits in magnesian skarns from Romania Ştefan Marincea, Delia-Georgeta Dumitraş PII: DOI:...boron-bearing deposits in magnesian skarns from Romania, Ore Geology Reviews (2019), doi: https://doi.org/10...boron-bearing deposits in magnesian skarns from Romania Ştefan Marincea*, Delia-Georgeta Dumitraş Department...Geological Institute of Romania, 1 Caransebeş Str., RO-012271, Bucharest, Romania, *e-mail: marincea@igr...identified in five magnesian skarns from Romania, at Băiţa Bihor, Pietroasa, Cacova Ierii, Maşca Băişoara and |  | | Journal (article/letter/editorial) | | Suanite in two boron-bearing magnesian skarns from Romania: data on a longtime ignored mineral species Ştefan...magnesian skarn deposits from Romania, namely those from Băiţa Bihor and Pietroasa. In both occurrences, the...minerals include calcite, dolomite, magnesite, kotoite, ludwigite, fluoborite, fluorite, chondrodite,...crystallographic constants of a representative sample from Pietroasa (181) are: Dx = 2.905 g/cm3, α = 1.601(1), β (calc...same constants measured for a sample from Băiţa Bihor (1397) are: Dx = 2.919 g/cm3, α = 1.600 (2), β (calc |  | | Journal (article/letter/editorial) | | Geological Institute of Romania, 1 Caransebes Str., RO-78344, Bucharest, Romania Abstract: Ludwigite samples...boron-bearing magnesian skarns in Romania (Ocna de Fier, Masca-Baisoara and Pietroasa) were used to determine the...below 15 % of the M4 sites (Aleksandrov, 1982). In Romania, ludwigite has been reported from magnesian skarns...(Tschermak, 1874), Pietroasa (Rafalet, 1963), Masca-Baisoara (Ionescu et al., 1971), Baita Bihor (Stoicovici...1992) mentioned the occurrence of ludwigite at Pietroasa, but in all cases little attention was given to |  | Bilohuščin, Vladimír, Uher, Pavel, Koděra, Peter, Milovská, Stanislava, Mikuš, Tomáš, Bačík, Peter (2017) Evolution of borate minerals from contact metamorphic to hydrothermal stages: Ludwigite-group minerals and szaibélyite from the Vysoká – Zlatno skarn, Slovakia. Mineralogy and Petrology, 111 (4) 643-658 doi:10.1007/s00710-017-0518-y | Journal (article/letter/editorial) | | during the retrograde stage of metasomatism where kotoite (Mg3B2O6) and suanite (Mg2B2O5) are common early...However, there is no evidence for the presence of kotoite or suanite (even as relicts); instead, only Fe3+bearing...stage are inferred from the Ocna de Fier skarn, Romania (Marincea 1999a). Similar P-T conditions for the...Aleksandrov SM (2007) Endogenous transformations of kotoite in calciphyres at magnesian-skarn deposits of boron...marble and skarn from Crestmore quarry, Riverside County, California and Cascade slide, Adirondack Mountains |  | González-Pérez, Igor, Fanlo, Isabel, Ares, Gonzalo, Gervilla, Fernando, González-Jiménez, José María, Acosta-Vigil, Antonio, Arranz, Enrique (2023) The Unconventional Peridotite-Related Mg-Fe-B Skarn of the El Robledal, SE Spain. Minerals, 13 (3) 300 doi:10.3390/min13030300 | Journal (article/letter/editorial) | | magnetite, and magnetite, with minor amounts of kotoite (Mg3 (BO3 )2 ), szaibelyite (MgBO2 (OH)), accessory...(1) type (Mg-B) is Fe-poor, containing basically kotoite (Mg3 (BO3 )2 ), suanite Mg2 ((B2 O5 )), and szaibelyite...magnetite, magnetite, and szaibelyite, with minor kotoite and schoenfliesite (MgSn4+ (OH)6 ). However, their...scarce wightmanite (Mg5 (BO3 )O(OH)5 ·2H2 O)), kotoite, periclase, schoenfliesite, hydrous Mgcarbonates...magnet- ite, magnetite, and szaibelyite, with minor kotoite and schoenfliesite (MgSn4+(OH)6). HowThis zone |  | | Book | | Udubaşa (1938, Ocnele Mari, Romania) Director of the Geological Institute of Romania, Bucharest; President...President of the Mineralogical Society of Romania; Member of the Commission for New Minerals and Mineral Names...and about 100 articles - one-third outside of Romania. Rudolf Duda (1944, Vojany, Slovakia) Head of the...Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine...Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine | | | Book | | eum. Kosice. SLK; GIR = Geological Institute of Romania, Bucharest, ROM; GM= Gold Museum, Brad, ROM : GYV...data. Bogdan Marinescu (Geological lnstilllte of Romania): Necolai Terteleac (De. ign-Art-Foto. Bucharest):...Gheorghe llinca. Mihai Tatu (Geological lnstillltc of Romania, Bucharest): Marian Lupule cu (Univcr. ity of Bucharc... hodrushitc homo~itc kurpatitc kldielkotoite kok!D.itc komchte lcr:lutitc 1.renncritc libethenitc...(Olcncvo) UKR Baia Soric (Fdsob:iny;i) ROM Bfuta Bihor (Rczb:lnva) ROJ\t (co-type locality) Zcr:ll'tcc |  | | Journal (issue) | | Zacaminte) Founded 1910 by the Geological Institute of Romania VOL. ISSN 1220-5648 87 No. 1 CONTENT Gheorghe...tradition/heritage: the museum mines and geoparks in Romania ………................... 7 Mircea GEORGESCU The...mineralization related to Late Cretaceous magmatism in Romania ….................... 15 A. Feyzi BİNGÖL, Mesut...economic outlook of Jiu Valley hard coal deposit, Romania ............................................ 41...Mts., Romania ……....... 47 - continued on the back cover - Geological Institute of Romania Society |
|
