 | Lenoir, J. -L., Li�geois, J. -P., K�ster, D., Utke, A., Matheis, G., Haider, A. (1994) Origin and regional significance of late Precambrian and early Palaeozoic granitoids in the Pan-African belt of Somalia. Geologische Rundschau, 83 (3) 624-641 doi:10.1007/bf01083233 | Journal (article/letter/editorial) | | Lenoir • D. Kfister • J.-R Li6geois • A. Utke A. Haider • G. Matheis Origin and regional significance...and metamorphism in the Mozambique Belt, combiA. Haider Department of Earth Sciences, Open University,...basement uplift. Late pegmatites and hydrothermal quartz veins are found intruding shear-opened joints and...the Inda Ad Group. Weakly oriented microgranular quartz dioritic enclaves are abundant. Rounded in shape...proportions of normally zoned plagioclase, microcline, quartz, brown biotite and hornblende. The primary mineralogy |  | Lenoir, J.-L., Li�geois, J.-P., K�ster, D., Utke, A., Matheis, G., Haider, A. (1994) Origin and regional significance of late Precambrian and early Palaeozoic granitoids in the Pan-African belt of Somalia. Geologische Rundschau, 83 (3) doi:10.1007/bf00194167 | Journal (article/letter/editorial) | | Lenoir • D. Kfister • J.-R Li6geois • A. Utke A. Haider • G. Matheis Origin and regional significance...and metamorphism in the Mozambique Belt, combiA. Haider Department of Earth Sciences, Open University,...basement uplift. Late pegmatites and hydrothermal quartz veins are found intruding shear-opened joints and...the Inda Ad Group. Weakly oriented microgranular quartz dioritic enclaves are abundant. Rounded in shape...proportions of normally zoned plagioclase, microcline, quartz, brown biotite and hornblende. The primary mineralogy |  | | Journal (issue) | | hou jullie zeker op de hoogte van de evolutie. A Am meerriikkaaaannssee ffoorrm maatteenn In Amerika..., London, pp. 218-219. O’Donoghue, M. (1987). "Quartz". Butterworths gem books, 110 pp. Rykart, R., (1995)...Wölzer Tauern Steiermark 9-10 Baryt aus dem Steinbruch am Steinberg, Mühldorf, Feldbach, Steiermark 11-22 Minerale...St.Michael ob Leoben, Steiermark 23-30 Vererzung im Steinbruch Haider, Wald am Schoberpass, Steiermark...Neuigkeiten aus dem Indischen Dekkan 63-64 schneekopfkugeln am Seebachfelsen bei Friedrichroda, Thüringen 100 |  | | Journal (article/letter/editorial) | | experimentally investigated for melts of albitic (Ab) and quartz-orthoclasic (Qz29Or71, in wt %) compositions with...water content the diffusivity of water in albitic, quartz-orthoclasic and haplogranitic (Qz28Ab38 Or34, Nowak...were dry and hydrous glasses of Ab (albite) and Qz(quartz)29Or(orthoclase)71 (in wt %) anhydrous compositions...these melts. The Dwater determined for albitic and quartz-orthoclasic compositions agree within experimental...(Qz28 Ab38Or34, labelled AOQ), albitic (Ab) and quartz-orthoclasic (Qz71 Or29) melts. Data for AOQ are |  | Liu, Lijie, Hou, Mingcai, Chen, Yue, Tang, Hongwei, Xiao, Christopher (2017) Late Cretaceous granitoids in Karakorum, northwest Tibet: petrogenesis and tectonic implications. International Geology Review, 59 (2) 151-165 doi:10.1080/00206814.2016.1214087 | Journal (article/letter/editorial) | | University of Technology, 1# Dong-San Road, Cheng-Hua District, Chengdu 610059, China Supplemental data for this...Yu et al. (2011), Zhao et al. (2008) Ma (2013), Haider et al. (2013), Yao et al. (2013), Zhai et al. (2007)...Yue 2010), Zhuogapu (Wang et al. 2014), Baingoin (Haider et al. 2013), Amdo (Bai et al. 2009), and Guogencuo...Granodiorite-porphyry Quartz diorite Andesite, rhyolite Granodiorite, granite, quartz-diorite Latite, quartz latite...Ma and Yue 2010 Yu et al. 2011 Yao et al. 2013 Haider et al. 2013 Zhao et al. 2008; Ma 2013 Bai et al |  | Yi, Jian-Kang, Wang, Qing, Zhu, Di-Cheng, Li, Shi-Min, Liu, Sheng-Ao, Wang, Rui, Zhang, Liang-Liang, Zhao, Zhi-Dan (2018) Westward-younging high-Mg adakitic magmatism in central Tibet: Record of a westward-migrating lithospheric foundering beneath the Lhasa–Qiangtang collision zone during the Late Cretaceous. Lithos, 316. 92-103 doi:10.1016/j.lithos.2018.07.001 | Journal (article/letter/editorial) | | University of Geosciences 29# Xue-Yuan Road, Haidian District Beijing 100083, China AC C Phone: (+86-10) 8232...Baingoin Batholith to the east (e.g., Xu et al., 1985; Haider et al., 2013; Zhu et ACCEPTED MANUSCRIPT al....NWSE trend RI and consists mainly of tonalite, quartz diorite, granodiorite, two- mica monzogranite,... SC and syenogranite (Xu et al., 1985; Haider et al., 2013; Zhu et al., 2016 ). Cretaceous volcano-sedimentary...biotite (Fig. 2c) in the dacitic dike samples and quartz (~5%) and altered plagioclase in the rhyolitic |  | | Journal (article/letter/editorial) | | iino Petrology © Springer-Verlag 1995 Printed in Austria Rb-Sr Isotope systematics of muscovite from Pan-African...central Nigeria and the Majayahan pegmatites and quartz veins of northeastern Somalia (Fig. 1). All three...Wamba pegmatites and the Majayahan pegmatites and quartz veins have been 74 D. KiJster Table 1. Geological...veins: steeply dipping veins, below 1 m thick. QUARTZ VEINS pegmatites: qtz, K-fsp, musc, albite, _+cassiterite...Majayahan (samples M2, M4 & M6) and from associated quartz veins at Dalan (samples D5 & D6). Pegmatitic muscovites |  | | Report (issue) | | acids. Eluviation results in the concentration of quartz and other resistant minerals in the A horizon....cationic surfactants with quartz in aqueous systems. In pure water, quartz has a negatively charged surface;...surface; the amount of charge on the quartz surface increases with increasing pH. Both cationic and anionic...anionic surfactant molecules can be adsorbed by quartz; however, anionic surfactant molecules are only...are directly adsorbed by the negatively charged quartz surface. Gaudin and Fuerstenau (1955b) determined |  | | Journal (article/letter/editorial) | | present in all sand specimens: calcium carbonate, quartz, feldspars, and green hornblende; mineral compositions...of subrounded transparent grains (Table 1) and quartz surface textures revealed by scanning electron...specimens (Table 2)—i.e., bioclastic calcium carbonate, quartz, feldspars (Na-oligoclase, microcline, and microcline...from approximately 75% to approximately 1% and quartz and subordinate feldspars increase from approximately...Carmignani et al., 1987; Dal Piaz and Sassi, 1988; Haider, 1993). Economic Aspects of the Silicate Red Sands |  | | Journal (article/letter/editorial) | | biotite–granite, biotite–hornblende–granite, quartz–monzonite and quartz–syenite. Pyroxene-bearing granitoids...granites are exemplified by hypersolvus aegirine quartz–syenites and arfvedsonite Žriebeckite. granites...between 715-650 Ma ŽMaboko et al., 1985; Lenoir and Haider, 1990; Muhongo and Lenoir, 1994. and is interpreted...reddish biotite granites and minor cpx-bearing quartz–monzonites, fine to coarse grained, equigranular...K-feldspar Žpartly with wiborgitic rapakivi texture., quartz, plagioclase Žoligocl.., biotite, hornblende, clinopyroxene |  | | Journal (article/letter/editorial) | | and Dept. Geology, Univ. Vienna, A-1090 Vienna, Austria Received 28 October 1994; accepted 3 November 1998...1991), show a general decline in rock fragments, quartz, feldspar and possibly dolomite in the 0.02±0.2...km2 of basin and Alpine areas in Lower and Upper Austria (>2000 samples: Kralik and Augustin-Gyurits, 1994)...Relationship between size-fraction and mineralogy. Quartz, feldspar and dolomite content increases, while...this is generally dominated by contaminantfree quartz, feldspar and carbonate minerals (Irion, 1991; |  | Blades, Morgan L., Collins, Alan S., Foden, John, Payne, Justin L., Xu, Xiaochen, Alemu, Tadesse, Woldetinsae, Girma, Clark, Chris, Taylor, Richard J.M. (2015) Age and hafnium isotopic evolution of the Didesa and Kemashi Domains, western Ethiopia. Precambrian Research, 270. 267-284 doi:10.1016/j.precamres.2015.09.018 | Journal (article/letter/editorial) | | granite. (d) Rocks in the Ethiopian Road Authority Quarry showing medium grained felsic granite intermingling...(e) The post tectonic Ganjii granite. (f) Meta-quartz arenite from Tere Dimtu village. which they suggested...(sanidine and orthoclase) and Na-plagioclase and quartz. Quartzo-feldspathic Gneiss (E13.03) is the oldest...mineral aggregate banding and alignment of the quartz and feldspars (Fig. 3(a–c)). Foliation strikes...subhedral, phaneritic grains. Dominant minerals are quartz, feldspar and biotite (distinct alignment/foliation); |  | | Journal (article/letter/editorial) | | ore and quartz 204–625; Polypropylene 280–9930; Silica sand 100–300; Iron ore, chromite, quartz, and coal...341; calcium carbonate 1000; black millet 187; quartz Particles diameter (µm) and shape 1.0 1.0 0...3 0 100 1000 Fig. 2. Size distribution of the quartz particles used in the experiments. 2. Experimental...cylindrical column (Dc = 0.138 m and H = 0.4 m). Quartz particles were used in the experiments and were...height. Fig. 2 shows the size distribution of the quartz particles as measured by a Mastersizer 2000 (Malvern |  | | Journal (article/letter/editorial) | | phenolases, was reported by Swaby and Ladd (1962), Haider et al. (1965), and Stevenson (1982). Flaig et al...(1978) usedillite, montmorilIonite, kaolinite, quartz, and an oxisol as catalysts in the synthesis of...phenols in soils (Flaig et al. , 1975; Martin and Haider, 1980). These three phenols have often been selected...Arthrobacter species: J. Bacteriol. 144, 1152-1158. Haider, K, Frederick, L. R., and Aaig, W. (1965) Reactions...eds., Wiley, New York, 409-429. Martin, J. P. and Haider, K (1980) Microbial degradation 209 and stabilization |  | | Journal (article/letter/editorial) | | escarpment; (2) Maromizaha quarry; (3) Ihasy River; (4) Soakambana quarry; (5) Sandrakatrana River; (6)...(6) Farimbona River; (7) Antongobato quarry; (8) Manambohitra. 118 A.S. Collins et al. / Precambrian...(S18◦ 55 04.1 E47◦ 25 54.5 ) and Maromizaha quarry (S18◦ 57 43.1 E48◦ 27 09.0 ). Both localities...compositionally layered garnet-hornblende-microcline-quartz gneiss, dipping gently (10◦ –30◦ ) to the west...10◦ –15◦ to the west and is defined by elongate quartz-feldspar aggregates and microcline porphyroclasts |  | | Report (issue) | | Mineral composition ................. 11 Easara District ................... 11 Location Kohala deposits...Ehuzdar District .................. 24 Gunga deposits ................. 24 Las Bela District ........ Kudni deposits ................. 33 Chagai District ................... 37 Koh-i-Sultan deposits...Hazara District ................. 2. Analyses of barite from Kaohhi deposits, Hazara District ........of barito ore, Faqir Mohammad deposits, Hazara District ................. 4. 16 28 Analyses of barite |  | Gourbet, Loraine, Mahéo, Gweltaz, Leloup, Philippe Hervé, Paquette, Jean-Louis, Sorrel, Philippe, Henriquet, Maxime, Liu, Xiaobing, Liu, Xiaohan (2017) Western Tibet relief evolution since the Oligo-Miocene. Gondwana Research, 41. 425-437 doi:10.1016/j.gr.2014.12.003 | Journal (article/letter/editorial) | | peneplanation (Hetzel et al., 2011; Rohrmann et al., 2012; Haider et al., 2013). These later studies are based on...grains (Artemisia) and angular quartz grains. Occurrence of angular quartz grains in the sandstones and...area, there are also trachy-andesitic pebbles, and quartz-rich sandstones occur more frequently. We interpret...Tibet, east of our study area (Hetzel et al., 2011; Haider et al., 2013), since the Oligocene in the Deosai...University of Geosciences Press, Wuhan (in Chinese). Haider, V.L., Dunkl, I., von Eynatten, H., Ding, L., Frei |  | | Journal (article/letter/editorial) | | gold colloid flocs; Klimpel and Hogg (1986) for quartz flocs; Gibbs (1985a) and Burban et at. (1990) for...relating the drag coefficient to the Reynolds number (Haider and Levenspiel, 1989). An expression developed...experiment results ofK1impel and Hogg (1985) for quartz floes. Another observation of Figure 1 is that...Table 2, the fractal dimensions (D = I. 7-2.1) for quartz floes were given by the investigators (Klimpel...Montmorillonite Activated sludge Activated sludge Pure quartz Clay-iron Clay-magnesium Color-aluminium Color-iron |  | | Journal (article/letter/editorial) | | Vienna, Austria Laboratory for Geochronology, Institute of Geology, University of Vienna, Austria With...Geochronology, Institute of Geology, University of Vienna, Austria 252 T. Kebede et al. Guttin K-feldspar megacrystic...megacrysts embedded in ®ne- to medium-grained matrix of quartz, biotite, fragmented feldspar (commonly plagioclase)...granular, composed of K-feldspar, plagioclase, quartz, and biotite with minor sphene, allanite, zircon...coarse-grained, composed of plagioclase, Kfeldspar, quartz, biotite, and hornblende with subordinate sphene |  | Gourbet, Loraine, Mahéo, Gweltaz, Shuster, David L., Tripathy-Lang, Alka, Leloup, Philippe Hervé, Paquette, Jean-Louis (2016) River network evolution as a major control for orogenic exhumation: Case study from the western Tibetan plateau. Earth and Planetary Science Letters, 456. 168-181 doi:10.1016/j.epsl.2016.09.037 | Journal (article/letter/editorial) | | occurred during Late Cretaceous–early Cenozoic times. Haider et al. (2013) reconstruct a similar exhumation...al. (2012) (mean AHe ages with a 1σ error), and Haider et al. (2013) (mean AHe ages with a 2σ error)....2009; Hetzel et al., 2011; Rohrmann et al., 2012; Haider et al., 2013) consistent with an internally drained...crustal xenoliths from Tibet. Science 287, 2463–2466. Haider, V.L., Dunkl, I., Eynatten, H., Von Ding, L., Frei...1016/j.jseaes.2013.03.005. Hetzel, R., Dunkl, I., Haider, V., Strobl, M., von Eynatten, H., Ding, L., Frei |  | | Journal (article/letter/editorial) | | Stoeser, D.B., Al-Khirbash, S., Ba-Bttat, M.A.O. and Haider, A. (2000) Precambrian basement character of Yemen...shear criteria are S-type asymmetrically folded quartz/pegmatite veins, rotated, pre-shearing foliation |  | | Journal (article/letter/editorial) | | et al. (2018). Major Element carbonate C 500 quartz Ca 0.5 Minor/Trace Element Mg 0.3 Mn 3 Y 4...[CuAl6(PO4)4(OH)8⋅4H2O], pyrite, and silica (mainly quartz) from the Nishâpûr turquoise deposit (Iran). Turquoise...al. (2018). pyrite) that is set in a gangue of quartz and carbonates (calcite, siderite and/or ankerite)...recognized through the LIBS imaging (i.e., Be and Al in quartz; Cd in sphalerite; Ag, Sb, and Bi in galena, and...LODs for the major and minor/trace elements in the quartz, carbonate, and sulfide phases of the ore sample |  | Heckman, Katherine, Vazquez-Ortega, Angelica, Gao, Xiaodong, Chorover, Jon, Rasmussen, Craig (2011) Changes in water extractable organic matter during incubation of forest floor material in the presence of quartz, goethite and gibbsite surfaces. Geochimica et Cosmochimica Acta, 75 (15) 4295-4309 doi:10.1016/j.gca.2011.05.009 | Journal (article/letter/editorial) | | incubation of forest floor material in the presence of quartz, goethite and gibbsite surfaces Katherine Heckman...goethite (a-FeOOH), (2) gibbsite (c-Al(OH)3), and (3) quartz (a-SiO2) sand (as a control). Changes in molecular...organic matter content (Greenland, 1971; Martin and Haider, 1986; Theng and Tate, 1989; Baldock and Skjemstad...their native microbial community in the presence of quartz, goethite and gibbsite surfaces. Water extractable...experiment were thoroughly characterized prior to use. Quartz sand was purchased from Fisher Scientific (Pittsburgh |  | Chen, Jian-Lin, Xu, Ji-Feng, Yu, Hong-Xia, Wang, Bao-Di, Wu, Jian-Bin, Feng, Yue-Xing (2015) Late Cretaceous high-Mg# granitoids in southern Tibet: Implications for the early crustal thickening and tectonic evolution of the Tibetan Plateau?. Lithos, 232. 12-22 doi:10.1016/j.lithos.2015.06.020 | Journal (article/letter/editorial) | | intrusions with minor porphyritic granodiorite, quartz diorite, and granite units located along the contact...euhedral–subhedral plagioclase, K-feldspar, biotite, and quartz, with accessory zircon, apatite, magnetite, and...Tibet was undergoing uplift at this time (e.g., Haider et al., 2013; Leier et al., 2007; Sun et al., 2015a)...in the North China craton. Nature 432, 892–897. Haider, V.L., Dunk, I., von Eynatten, H., Ding, L., Frei...org/10.1029/2001JB000328. Hetzel, R., Dunkl, I., Haider, V., Strobl, M., von Eynatten, H., Ding, L., Frei |  | Gulde, Max, Kortmann, Lukas, Ebert, Matthias, Watson, Erkai, Wilk, Jakob, Schäfer, Frank (2018) Robust optical tracking of individual ejecta particles in hypervelocity impact experiments. Meteoritics & Planetary Science, 53 (8) 1696-1704 doi:10.1111/maps.12958 | Journal (article/letter/editorial) | | they used unconsolidated target material, e.g., quartz sand (Cintala et al. 1999; Anderson et al. 2003)...(for a small sphere traveling at v ¼ 70 m s1 [Haider and Levenspiel 1989]), Ds ¼ 2:5 cm, the average...by meteoroid impact. NASA Technical Note D-1767. Haider A. and Levenspiel O. 1989. Drag coefficient and |
|
