 | | Journal (article/letter/editorial) | | on zircon) and 1980 ± 10 Ma (U–Pb method on baddeleyite). In addition, the first data were obtained for...Pechenga structure (1941 ± 3 Ma, U–Pb method on baddeleyite) and the peridotites of the Allarechka ore field...tundra (2507–2493 Ma, U–Pb data for zircon and baddeleyite; Bayanova et al., 1999). Age estimates were also...fragments of fine-grained amygdaloidal rocks of an andesite composition were found in the clastic material...(Fig. 3). Note that the fragments of amygdaloidal andesite from the lava breccia (Table 3) are almost identical |  | | Journal (article/letter/editorial) | | r. c o m / l o c a t e / g r U–Pb dating of baddeleyite and zircon from the Shizhaigou diorite in the...Paleoproterozoic SIMS geochronology Extension environment Baddeleyite a b s t r a c t The Xiong'er volcanism marks...Paleoproterozoic. Precise U–Pb ages of zircon and baddeleyite from the Shizhaigou diorite which intruded the...mean 207Pb/206Pb ages are 1789 ± 3.5 Ma for baddeleyite and 1780 ± 11 Ma for zircon from Shizhaigou diorite...volcanics mainly focused on the basaltic andesite, andesite and rhyolitic rocks (Jia, 1985; Zhao et al |  | Klausen, M.B., Söderlund, U., Olsson, J.R., Ernst, R.E., Armoogam, M., Mkhize, S.W., Petzer, G. (2010) Petrological discrimination among Precambrian dyke swarms: Eastern Kaapvaal craton (South Africa) Precambrian Research, 183 (3) 501-522 doi:10.1016/j.precamres.2010.01.013 | Journal (article/letter/editorial) | | Introduction The ability to precisely separate baddeleyite from mafic dykes (e.g. Heaman and LeCheminant...preferentially sampled for combined geochronological (baddeleyite extraction), petrographical and geochemical studies...ESEtrending dykes were sampled in Swaziland and a quarry near Piet Retief (Simonotti, 2007). A contact metamorphic...dykes from the KZN area straddle the basaltic andesite field, and (3) radiating E- to SE-trending dykes...calcalkaline and primarily ∼2.95 Ga SE-trending basaltic andesite dykes (Fig. 6). While some alkalis may have leached |  | | Journal (article/letter/editorial) | | as sub-alkaline tholeiitic basalt or basaltic andesite. Geochemical variations suggest evolution of mantle...Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany DOI: 10.1127/njma/2020/0215 eschweizerbart_xxx...9 Ma; U-Pb baddeleyite 2215.2 ± 2 Ma; U-Pb baddeleyite 2211.7 ± 0.9 Ma; U-Pb baddeleyite 2215.9 ± 0.3...3 Ma; U-Pb baddeleyite 2220 ± 2 Ma; U-Pb baddeleyite 2216.6 ± 0.7 Ma; U-Pb baddeleyite ≥ 2210 ± 2 Ma;...Ma; U-Pb baddeleyite which cover a huge area (~500 km long and ~130 km wide) belong to the ca. 2.22 Ga |  | | Book | | manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A... Europe: Cornwall, England; Rheinland-Pfalz, Germany. Asia: Yekaterinburg (Sverdlovsk), Ural Mountains...rocks. Arsenic, Sankt Andreasberg, Lower Saxony, Germany * 5 x 7 x 1 cm Wyoming; salt deposits in Louisiana...Wolfsburg and Sankt Andreasberg, Lower Saxony, Germany. Asia: Akatani Mine, Japan. Sulfur, Cianciana...very rare in nuggets and even Passau, Bavaria, Germany; Piedmont, Italy. indicates that it is composed |  | Santos, João Orestes S., Van Breemen, Otto B., Groves, David I., Hartmann, Léo A., Almeida, Marcelo E., McNaughton, Neal J., Fletcher, Ian R. (2004) Timing and evolution of multiple Paleoproterozoic magmatic arcs in the Tapajós Domain, Amazon Craton: constraints from SHRIMP and TIMS zircon, baddeleyite and titanite U–Pb geochronology. Precambrian Research, 131 (1) 73-109 doi:10.1016/j.precamres.2004.01.002 | Journal (article/letter/editorial) | | Craton: constraints from SHRIMP and TIMS zircon, baddeleyite and titanite U–Pb geochronology João Orestes...Geological mapping, integrated with U–Pb zircon, baddeleyite and titanite SHRIMP and TIMS geochronology, shows...magmatism (banded tonalite, meta-basalt and meta-andesite, Cuiú–Cuiú Complex; 2040–1998 Ma) and turbiditic...Orosirian; U–Pb SHRIMP geochronology; Zircon; Baddeleyite 1. Introduction During the Orosirian, several...SHRIMP and TIMS U–Pb data on zircon, titanite and baddeleyite for eight samples of granitoids (six), gabbros |  | | Journal (article/letter/editorial) | | precisely dated, using U-Pb analyses of zircon and baddeleyite. Zircons were extracted from pegmatoid segregations...respectively (95% confidence errors). U-Pb analyses of baddeleyite from these samples are in general agreement with...older, possibly due to 222R,n loss. The age of an andesite flow from the Lake Shore Traps, 1000 m above the...successions using U-Pb analyses of zircon a n d / o r baddeleyite provides an excellent test of the accuracy of...likely to contain accessory zircon a n d / o r baddeleyite. Pegmatoid rocks were sampled from the Copper |  | Chashchin, V. V., Bayanova, T. B., Levkovich, N. V. (2008) Volcanoplutonic association of the early-stage evolution of the Imandra-Varzuga rift zone, Kola Peninsula, Russia: Geological, petrogeochemical, and isotope-geochronological data. Petrology, 16 (3) 279-298 doi:10.1134/s0869591108030041 | Journal (article/letter/editorial) | | characterized in most detail in the area of the Rizhguba quarry (Melezhik, 1976) and traced by structural-prospecting...Kuksha subformation was observed at the Rizhguba quarry, where schists rest on weathered metabasalts (Fedotov...lower subformation were established in the Rizhguba quarry and in drillcore samples (Fig. 3). They are connected...changed upsection by metabasalts and metabasaltic andesite. The schists after picrobasalts host thick massive...(Chashchin, 1999). The recent U−Pb zircon and baddeleyite dating of the gabbronorites of the Monche Tundra |  | | Journal (article/letter/editorial) | | kimberlite crystMlisation path intersected the baddeleyite-zireon reaction at 55.7 kilobars. Two traehybasalts...at a depth of 75 kilometres; at greater depths andesite will have a basaltic precursor. In general, lavas...t*Mg~SiO~ . (3a) (4) Zr0~ + S i 0 2 = Z r S i O 4 baddeleyite glass zircon and log .nqma_ A G0/2.303 R T +...Nixon et al. report zircon with an outer rim of baddeleyite (Zr02) so t h a t the crystallisation p a t h...sat!on p a t h where zircon was replaced b y baddeleyite. Representative mineral data taken from ~ i x |  | Liao, Alice C.-Y., Shellnutt, J. Gregory, Hari, Kosiyathu R., Denyszyn, Steven W., Vishwakarma, Neeraj, Verma, Chandra B. (2019) A petrogenetic relationship between 2.37 Ga boninitic dyke swarms of the Indian Shield: Evidence from the Central Bastar Craton and the NE Dharwar Craton. Gondwana Research, 69. 193-211 doi:10.1016/j.gr.2018.12.007 | Journal (article/letter/editorial) | | NE Dharwar Craton (Karimnagar). A single U-Pb baddeleyite age from a boninitic dyke near Bhanupratappur...In this paper we present a new high precision baddeleyite ID-TIMS U-Pb age of a boninitic dyke from the...dykes, which have weighted-mean IP zircon or baddeleyite U-Pb ages of 1883.0 ± 1.4 Ma, 1883.5 ± 4.4 Ma...Bhanupratappur, dated by Shellnutt et al. (2018) using baddeleyite U-Pb TIMS method, discovered that it is the same...11 ACCEPTED MANUSCRIPT 4.1. Geochronology Baddeleyite were separated using a method modified after |  | | Journal (article/letter/editorial) | | Potsdam, D-14473 Potsdam, C 123, Telegrafenberg, Germany Received 4 March 2003; accepted 21 July 2003 Abstract...the Saxothuringian Zone of the Variscan orogen, Germany, were investigated by electron microprobe. These...lamprophyre samples comes from the Henneberg granite quarry near Lehesten (Franken- Fig. 1. Sketch map of...the Franconian-Thuringian Schiefergebirge. This quarry exposes a small granitic to granodioritic intrusion...trachyandesite, (T) trachyte, (BA) basaltic andesite, (A) andesite, (D) dacite, (R) rhyolite. (B) Alumina-alkali |  | | Journal (article/letter/editorial) | | chevkinite-Ce, monazite-Ce, and rhabdophane(?). Baddeleyite and REEzirconolite are typical of alkalic syenite...the carbonate liquid liquid. (e) Zirconolite–baddeleyite aggregate in the interstitial glass matrix. (f)...and REE, whereas less liquid. (e) Zirconolite–baddeleyite aggregate in the interstitial glass matrix. (f)...Th and REE, whereas aragonite, embedded Bdy—baddeleyite, Cal—calcite, Hed—hedenbergite, Kfs—eldspar,...Qz—quartz, Zrn—zirconolite. Arg—aragonite, Bdy—baddeleyite, Cal—calcite, Hed—hedenbergite, Kfs—eldspar, |  | Teixeira, Wilson, D'Agrella-Filho, Manoel S., Hamilton, Mike A., Ernst, Richard E., Girardi, Vicente A.V., Mazzucchelli, Maurizio, Bettencourt, Jorge S. (2013) U–Pb (ID-TIMS) baddeleyite ages and paleomagnetism of 1.79 and 1.59Ga tholeiitic dyke swarms, and position of the Rio de la Plata Craton within the Columbia supercontinent. Lithos, 174. 157-174 doi:10.1016/j.lithos.2012.09.006 | Journal (article/letter/editorial) | | www.elsevier.com/locate/lithos U–Pb (ID-TIMS) baddeleyite ages and paleomagnetism of 1.79 and 1.59 Ga tholeiitic...U–Pb (ID-TIMS) baddeleyite age of 1588 ± 11 Ma. New precise U–Pb (ID-TIMS) baddeleyite dating of both...la Plata Craton, for which a U–Pb (ID-TIMS) baddeleyite age of 1790 ± 5 Ma was previously reported. Consequently...supercontinent. We present new U–Pb (ID-TIMS) dating of baddeleyite from the Tandil tholeiitic dyke swarm which occurs...Craton) for which a U–Pb (ID-TIMS) 1790 ± 5 Ma baddeleyite age and earlier paleomagnetic work was previously |  | Cox, Grant M., Halverson, Galen P., Denyszyn, Steven, Foden, John, Macdonald, Francis A. (2018) Cryogenian magmatism along the north-western margin of Laurentia: Plume or rift?. Precambrian Research, 319. 144-157 doi:10.1016/j.precamres.2017.09.025 | Journal (article/letter/editorial) | | edu.au Abstract Here we present a new U-Pb baddeleyite ID-TIMS age of 713.7 ± 0.9 Ma on the shoshonitic...glaciation. Here we present a new 206Pb/238U ID-TIMS baddeleyite age of 713.7 ± 0.9 Ma on the Tatonduk Suite,...plagioclase then biotite. Geochronology Five baddeleyite crystals were analyzed from sample TI11-010 (Fig...5C), a coursegrained dyke (Fig. 4 and 6). The baddeleyite crystals were euhedral, small (longest dimension...and 250 ppm. Th/U ratios are typically low in baddeleyite, and these analyses indicated Th/U ratios between |  | Pandey, Om Prakash, Mezger, Klaus, Upadhyay, Dewashish, Paul, Debajyoti, Singh, Ajay Kumar, Söderlund, Ulf, Gumsley, Ashley (2021) Major-trace element and Sr-Nd isotope compositions of mafic dykes of the Singhbhum Craton: Insights into evolution of the lithospheric mantle. Lithos, 382. 105959pp. doi:10.1016/j.lithos.2020.105959 | Journal (article/letter/editorial) | | The dykes range in composition from basalt to andesite and have transitional tholeiitic to calc-alkaline...by Kumar et al. (2017). They reported Pb-Pb baddeleyite thermal extraction – thermal ionization mass...recently by Srivastava et al. (2019) yielded a U-Pb baddeleyite IDTIMS (isotope dilution-TIMS) age of 2256 ±...6 Ma. Shankar et al. (2014) reported a Pb-Pb baddeleyite TE-TIMS age of 1765 ± 1 Ma for the Pipilia Swarm...cross-cutting relationships, and their U-Pb/Pb-Pb baddeleyite ages. These are (1) ca. 2.80 Ga NNE-SSW to NE-SW |  | Elming, Sten-Åke, Shumlyanskyy, Leonid, Kravchenko, Svetlana, Layer, Paul, Söderlund, Ulf (2010) Proterozoic Basic dykes in the Ukrainian Shield: A palaeomagnetic, geochronologic and geochemical study—The accretion of the Ukrainian Shield to Fennoscandia. Precambrian Research, 178 (1) 119-135 doi:10.1016/j.precamres.2010.02.001 | Journal (article/letter/editorial) | | regarded as a VGP. An U–Pb age of 1722 ± 12 Ma of baddeleyite from the Khmelnik dyke, which yields a well-defined...map of the Novograd-Volynskyy area with the Susly quarry shown by a hatched rectangle. Note the differently...which appear as cross cutting dykes in the Susly quarry. a 2.1–2.0 Ga ocean-continent interface. To the...were collected and in the Tomashgorod (Psheli) quarry three dykes (sites 4–6) were sampled. The big Tamashgorod...Viry and Susly two dykes were sampled from each quarry (sites 10, 11, and 12, 13, respectively). The sampling |  | | Journal (article/letter/editorial) | | RATES AND DEPTHS OF MAGMA ASCENT ON EARTH U-Th baddeleyite geochronology and its significance to date the...Osservatorio Vesuviano, Naples 80026, Italy Abstract Baddeleyite is a frequently found accessory mineral in silica...enriched in uranium, while having low initial lead, baddeleyite has long been a prime target for U-Pb geochronology...rocks. The difficulties in retrieving small baddeleyite grains from volcanic samples and the lack of...detailed understanding of baddeleyite occurrence, however, have limited baddeleyite chronology largely to |  | | Journal (article/letter/editorial) | | their age was determined by U–Pb methods on baddeleyite and zircon (244.8 ± 2.7 Ma), and it appears likely...traps; sub-alkaline and mafic intrusions; U–Pb baddeleyite ages 1. Introduction The Norilsk ore district... Norilsk and Daldykan complexes, as well as baddeleyite and zircon U–Pb ages and Sr–Nd–Pb–Os isotopes...ISO), HF (40% hydrofluoric acid: GR, ISO, Merck, Germany), HCl (37% hydrochloric acid: max. 0.0000005% Hg...Spain). Boric acid H3 BO3 (GR for analysis: Merck, Germany) was used for the preparation of its 0.1 M solution |  | Malobela, T., Mapani, B., Harris, M., Cornell, D.H., Karlsson, A., Jonsson, A.K., Lundell, C., Kristoffersen, M. (2019) Age and geological context of the Barby Formation, a key volcanic unit in the Mesoproterozoic Sinclair Supergroup of southern Namibia. South African Journal of Geology, 122 (4) 519-540 doi:10.25131/sajg.122.0038 | Journal (article/letter/editorial) | | Lu-Hf microbeam analyses were made of zircon and baddeleyite grains from four samples. A felsic tuff sample...km-thick stratigraphic section gives a 207Pb/206Pb baddeleyite age of 1217 ± 2 Ma. The Spes Bona Syenite which...top of the Barby Formation has a 207Pb/206Pb baddeleyite age of 1217 ± 3 Ma and an indistinguishable LA-ICP...sections. It consists of porphyritic basaltic andesite, andesite, trachyandesite and rhyolite with associated...basalt and Hauchabfontein Suite 1260 - 1200 andesite. Barby Fm. basalt rhyolitic rocks Gabbro-felsic |  | | Journal (article/letter/editorial) | | presents new data on the Hf-isotope systematics of baddeleyite and the Nd-isotope compositions of calcite carbonatites...data, obtained as a result of U–Pb dating of baddeleyite (250.8 ± 1.2 Ma) and Th–U–Pb dating of thorianite...the Siberian Craton have been recognized [12]. Baddeleyite has a unique feature of preserving isotope–geochemical...results of the Lu–Hf isotopic systematics of baddeleyite from carbonatites of the Guli massif are discussed...size. Accessory minerals are represented by baddeleyite, thorianite, zirconolite, and pyrochloregroup |  | Zhang, Shuan-Hong, Zhao, Yue, Li, Xian-Hua, Ernst, Richard E., Yang, Zhen-Yu (2017) The 1.33–1.30 Ga Yanliao large igneous province in the North China Craton: Implications for reconstruction of the Nuna (Columbia) supercontinent, and specifically with the North Australian Craton. Earth and Planetary Science Letters, 465. 112-125 doi:10.1016/j.epsl.2017.02.034 | Journal (article/letter/editorial) | | High-resolution secondary ion mass spectrometry (SIMS) baddeleyite dating shows that emplacement of these sills...(e.g., LBGMR, 1965); however, recent zircon/baddeleyite dating of several sills emplaced into the Xiamaling...They were mounted in epoxy resin together with baddeleyite standards and polished to expose the cores of...representative baddeleyite grains are shown in Supplementary Fig. A6. 3.2. Baddeleyite SIMS U–Pb/Pb–Pb...U–Pb/Pb–Pb dating Baddeleyite SIMS dating was performed in two independent sessions using a Cameca IMS 1280HR |  | Srivastava, Rajesh K., Jayananda, M., Gautam, Gulab C., Gireesh, V., Samal, Amiya K. (2014) Geochemistry of an ENE–WSW to NE–SW trending ∼2.37 Ga mafic dyke swarm of the eastern Dharwar craton, India: Does it represent a single magmatic event?. Geochemistry, 74 (2) 251-265 doi:10.1016/j.chemer.2013.07.007 | Journal (article/letter/editorial) | | recent years, some high precision U–Pb ages on baddeleyite are reported for this swarm (Halls et al., 2007;...± 1 Ma/U–Pb/baddeleyite 2365.4 ± 1.0 Ma/U–Pb/baddeleyite 2365.9 ± 1.5 Ma/U–Pb/baddeleyite 2368.6 ± 1.3...3 Ma/U–Pb/baddeleyite 2368.5 ± 2.6 Ma/U–Pb/baddeleyite 2367.1 ± 3.1 Ma/U–Pb/baddeleyite Halls et al...minerals 1879 ± 5 Ma/Ar–Ar/whole rock 1894 Ma/U–Pb/baddeleyite Near Kalyandurg Near Hampi Chatterjee and Bhattacharji...Karimnagar and Hyderabad 5 and, with help of U–Pb baddeleyite ages, they confirmed the findings of French and |  | Smirnov, Aleksey V., Evans, David A.D., Ernst, Richard E., Söderlund, Ulf, Li, Zheng-Xiang (2013) Trading partners: Tectonic ancestry of southern Africa and western Australia, in Archean supercratons Vaalbara and Zimgarn. Precambrian Research, 224. 11-22 doi:10.1016/j.precamres.2012.09.020 | Journal (article/letter/editorial) | | dykes. Nemchin and Pidgeon (1998) reported a baddeleyite U–Pb age of 2418 ± 3 Ma for the westernmost extension...of 2410.3 ± 2.1 Ma (French et al., 2002). A baddeleyite U–Pb age of 2410.6 + 2.1/−1.6 Ma was also obtained...is the inverse baked contact test from Narrogin quarry (Site 1) near the western end of the Binneringie...The inverse baked contact test at the Narrogin quarry (Site 1; see text). Diamond shows the mean ChRM...of exposed Archean terrains. Integrated U–Pb baddeleyite dating and paleomagnetic study from earliest |  | Shellnutt, J.G., Hari, K.R., Liao, A.C.-Y., Denyszyn, S.W., Vishwakarma, N., Deshmukh, S.D. (2019) Petrogenesis of the 1.85 Ga Sonakhan mafic dyke swarm, Bastar Craton, India. Lithos, 334. 88-101 doi:10.1016/j.lithos.2019.03.015 | Journal (article/letter/editorial) | | variable compositions from basalt to basaltic andesite (SiO 2 = 46.3 wt% to 55.3 wt%; Mg# = 37 to 70)...dyke yielded a weighted- mean 207 Pb/206 Pb baddeleyite age of 1851.1 ± 2.6 Ma. The Sr and Nd isotopes...been dated using high precision U-Pb methods on baddeleyite (ZrO 2 ) or zircon (ZrSiO 4 ) T yielded Paleoproterozoic...this paper, we present a new high precision baddeleyite ID-TIMS (isotope dilution IP T thermal ionization...Analytical Methods ED 4.1. Geochronology PT Baddeleyite crystals from sample SD/4 were separated using |  | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | | Racha-Lochkhumi-Kvemo Svaneti Region Kekelia et al. (2008) DE01 Germany Alberoda, Schlema-Hartenstein District, Erzgebirge...Obermoschel, Rhineland-Palatinate Krupp (1984), Krupp et al. (1989) DE03 Other Hg deposits, Rhineland-Palatinate...Krupp (1984), Krupp et al. (1989) DE04 Glasberg Quarry, Odenwald, Hesse Kissan et al. (1993), Pfaff et...personal communications) CH01 Switzerland Lengenbach Quarry, Imfeld, Wallis Hoffmann and Knill (1996), Schroll...Russia U.S.A. U.S.A. Germany Germany Czech Rep Czech Rep Czech Rep Czech Rep Russia Germany Uzbekistan Uzbekistan |
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Andesite quarry, Kreimbach-Kaulbach, Lauterecken-Wolfstein, Kusel, Rhineland-Palatinate, Germany