 | | Report (issue) | | Group: 4=m 2=m 2=m: Crystal Data: crystals. As aggregates of submicron-size Physical Properties: Hardness...Z=2 X-ray Powder Pattern: Meteor Crater, Arizona, USA. 2.959 (100), 1.530 (50), 1.981 (35), 1.235 (25)...analysis of the mineral from Meteor Crater, Arizona, USA indicates essentially pure SiO2 : Polymorphism &...Cretaceous-Tertiary boundary, Raton, Colfax Co., New Mexico, USA. In Germany, at the NĆordlinger Ries crater, Bavaria...stishovite. Nature, 272, 714{715. (3) McHone, J.F., R.A. Nieman, C.F. Lewis, and A.M. Yates (1989) Stishovite at |  | | Journal (article/letter/editorial) | | models for the genesisof the deposit(Perkinsand Nieman, 1982; Stoffregen,1985, 1987), geochemical zoning...Summitvilleandesitedatedby K/ Ar at 26.6 _+1.2 Ma (Perkinsand Nieman, 1982). mappedat a scaleof i in. to 100 ft (1 cmto...open-pit area (Mehnert et al., 1973; Perkins and Nieman, mapping,hashelpedto clarifythe fractureandzon-...Lipman (1975), Mehnertet al. (1973), andPerkinsand Nieman(1982). Crossedhammers= locationof the Summitvilledeposit...enargiteandluzonite,whereassparseplatyhematite aggregates suggestpseudomorphic replacements of coarseore-stagecovellite |  | | Journal (article/letter/editorial) | | underplating of mafic magmas (Van Duin, 1992; Van Duin and Nieman, 1993). Field observations, magmatic and metamorphic...(Fig. 10): Turku (HoĢlttaĢ, 1986; Van Duin and Nieman, 1993; VaĢisaĢnen and HoĢlttaĢ, 1999; Johannes...VaĢisaĢnen and HoĢlttaĢ (1999) (VH) and Van Duin and Nieman (1993) (VDN). (c) Proposed PāT path for the SSAC:...SSAC: (A) high-grade domains (after Van Duin and Nieman, 1993; Johannes et al., 2003); (B) lowest-grade...considerations in the Turku migmatites (Van Duin and Nieman, 1993; Johannes et al., 2003) suggest that the |  | | Journal (article/letter/editorial) | | Optics, University of Rochester, Rochester, NY 14627, USA (hartschuh@chemie.uni-siegen.de) Published online...1999) and our group continued the study of J-aggregates of pseudoisocyanine (PIC) dye. Figure 4 shows...and the topographic shear-force image of PIC J-aggregates embedded in a polyvinyl siloxane (PVS) ļ¬lm. The... characteristic one-dimensional strands of J-aggregates are observed, conļ¬rming a close correlation between...fact, because of the fast energy transfer in J-aggregates, the detected signal can originate from a location |  | | Report (issue) | | models for the genesis of the deposit (Perkins and Nieman, 1982; Stoffregen, 1985; 1987), geochemical conditions...and luzonite, whereas occasional platy hematite aggregates suggest pseudomorphic replacements of coarse-grained...Summitville deposit was proposed by Perkins and Nieman (1982) that related the alteration and mineralization...1885, Ore deposits of Summit district, Rio Grande County, Colorado: Colorado Scientific Society Proceedings...Survey Bulletin 13, 122 p. 18 Perkins, M., and Nieman, G.W., 1982, Epithermal gold mineralization in |  | | Journal (article/letter/editorial) | | 85287ā1404, USA of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287ā1604, USA *Corresponding...occurring as nanometer aggregates of C, clay, and Fe-O-rich material. Some aggregates are dominated by carbonaceous...carbonates, and sulfides together with olivine-rich aggregates and sparse chondrules (Bland et al. 2004; Brown...2111 Ā© The Meteoritical Society, 2007. Printed in USA. 2112 L. Garvie and P. Buseck meteorite make...occurring as submicron aggregates of C, clay, and Fe-O-rich material. Some aggregates are dominated by carbonaceous |  | Elsila, Jamie E., de Leon, Nathalie P., Plows, Fiona L., Buseck, Peter R., Zare, Richard N. (2005) Extracts of impact breccia samples from Sudbury, Gardnos, and Ries impact craters and the effects of aggregation on C60 detection. Geochimica et Cosmochimica Acta, 69 (11) 2891-2899 doi:10.1016/j.gca.2004.11.023 | Journal (article/letter/editorial) | | 2005 Copyright Ā© 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ā«¹ .00 doi:10...CA 94305-5080 USA Ciphergen Biosystems, Inc., 6611 Dumbarton Circle, Fremont, CA 94555 USA Departments... Arizona State University, Tempe, AZ 85287-1404 USA 2 3 (Received August 9, 2004; accepted in revised...analyzed sample of suevite was collected from a quarry near the town of Amerdingen on the southwest side...to have a physical causeāthe formation of C60 aggregates. Evaporation of the solutions of C60 in 1% dimethyl |  | Jiang, Jonathan H., Yue, Qing, Su, Hui, Kangaslahti, Pekka, Lebsock, Matthew, Reising, Steven, Schoeberl, Mark, Wu, Longtao, Herman, Robert L. (2019) Simulation of Remote Sensing of Clouds and Humidity From Space Using a Combined Platform of Radar and Multifrequency Microwave Radiometers. Earth and Space Science, 6 (7). 1234-1243 doi:10.1029/2019ea000580 | Journal (article/letter/editorial) | | Pasadena, CA, USA, 2Microwave Systems Laboratory, Colorado State University, Fort Collins, CO, USA, 3Science...3Science and Technology Corporation, Hampton, VA, USA Abstract This study presents a simulated simultaneous...particles, including plate aggregates, sphere aggregates, and snow aggregates, the discrete dipole approximation... Chang, A. T. C., King, J. L., Rodgers, E. B., Nieman, R. A., Krupp, B. M., et al. (1982). Microwave |  | | Journal (article/letter/editorial) | | 85287ā1404, USA of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287ā1604, USA *Corresponding...633 Ā© The Meteoritical Society, 2006. Printed in USA. 634 L. A. J. Garvie and P. R. Buseck these particles...recognizable component of the IOM. Some C-rich aggregates contain a high percentage by area of nanospheres...residue from Orgueil the poorly ordered fluffy aggregates suggest that neither were significantly heated...Pizzarello S., Huang Y., Becker L., Poreda R. J., Nieman R. A., Cooper G., and Williams M. 2001. The organic |  | | Journal (article/letter/editorial) | | 1797 Ā© Meteoritical Society, 2004. Printed in USA. 1798 M. Chen et al. S-3500N scanning electron...coarse-grained mineral aggregates and fine-grained matrix. The coarse-grained mineral aggregates have individual...highpressure minerals usually occur as fragmental aggregates or are pseudomorphs of precursor minerals. The...McMillan P., Akaogi M., Ohtani E., Williams Q., Nieman R., and Sato R. 1989. Cation disorder in garnets |  | | Report (issue) | | dehydrator for samples Is a freon solvent (Ml Iler-Stephenson brand MS-180). REQUIREMENTS FOR THE MICROSCOPE...condensed material. Rinse with freon solvent (MI Iler-Stephenson brand MS-180). Replace O-rlng on chamber cover...Freon-solvent-Impregnated I Int-free pads (MI Iler-Stephenson) are also useful for degreaslng chamber surfaces...St., Acton, MA 01720. (617) 263-2936 MI Iler-Stephenson Chemical Company, Incorporated, George Washington... A. D., 1983, Graphical modelling of crystal aggregates and Its relevance to cement diagnosis. London |  | | Report (chapter) | | or garnet rimmed by biotite-sillimanite-quartz aggregates (e.g. Ashworth 1976; Waters 1988, 2001; Kriegsman...(Schreurs & Westra 1986) and Turku (Van Duin & Nieman 1993; V~iis~inen & Hrlttfi 1999), where peak metamorphism...analysed garnet, see Fig. 5) encloses large biotite aggregates containing over 4 mm sized crystals, pinitized...flat. This suggests that core regions of garnet aggregates are either (i) much less affected by interaction...pattern (possibly because they may represent garnet aggregates) in core regions and increased concentrations |  | | Journal (article/letter/editorial) | | Copyright Ā© 2003 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ā«¹ .00 Pergamon...Chemistry, Stanford University, Stanford, CA 94305-5080, USA Departments of Geological Sciences and Chemistry/Biochemistry...Arizona State University, Tempe, AZ 85287-1404, USA (Received June 24, 2002; accepted in revised form...during the formation of the solar system. They are aggregates of many components including chondrules, calciumāaluminum...Pizzarello S., Huang Y., Becker L., Poreda R. J., Nieman R. A., Cooper G., and Williams M. (2001) The organic |  | | Report (volume) | | Canyon-Bear Canyon primitive area in Los Angeles County, Calif., is underlain by a variety of massive and...is in the Angeles National Forest in Los Angeles County, Calif., about 10 miles northeast of Pasadena (fig...streaked-out crystals recrystallized to mosaiclike aggregates suggests that much of the banding is not inherited...which hornblende or epidote-biotite-hornblende aggregates form conspicuous black spots or streaks. An identical...recrystallization of the crushed material into mosaiclike aggregates that surround and cut unaffected crystals. The |  | | Journal (article/letter/editorial) | | (Schreurs and Westra, 1986) and Turku (Van Duin and Nieman, 1993; VaĢisaĢnen and HoĢlttaĢ, 1999). Peak metamorphic...Another feature is the presence of Bt āSil āQtz aggregates at the margin of a 1-m-thick pegmatite. Thinsections...Rusko show Grt and Crd rimmed by Btā Sil ā Qtz aggregates, suggesting a reversal of Reaction (1) as well...SW Finland. Lithos 54, 63 ā 81. Van Duin, J.A., Nieman, C.P., 1993. Pressure and temperature history of |  | | Journal (article/letter/editorial) | | primarily associated with FA (Yang et al. 2010), HA (Nieman et al. 1999), or HM (Doick et al. 2005) as observed...was reported to decrease the stability of soil aggregates and promote the ageing of soil PAHs (Lehrsch...bioavailability of polycyclic aromatic hydrocarbons within aggregates of a contaminated soil. Appl. Geochem. 16, 1611ā1619...American Chemical Society, San Fransisco, California, USA. Gao, Y., Xiong, W., Ling, W., Xu, J., 2006. Sorption...soils at former oil-gas plant sites in California, USA. Environ. Toxicol. Chem. 26, 394ā405. Hong, L., Ghosh |  | | Journal (article/letter/editorial) | | ST, NASA Johnson Space Center, Houston, TX 77058, USA Photon Factory Institute of Material Science, High...element concentrations in minerals and mineral aggregates were determined using an electron microprobe... The Ā¢rst group occurs as irregularly shaped aggregates of coarse-grained phyllosilicates (Fig. 5c)....Individual phyllosilicate N in crystallites in the aggregates are 100^200 A width normal to their (001) planes...The second group of phyllosilicates occur as aggregates of very Ā¢ne-grained N Ā¢brous phyllosilicates |  | Hayes, Sarah M., White, Scott A., Thompson, Thomas L., Maier, Raina M., Chorover, Jon (2009) Changes in lead and zinc lability during weathering-induced acidification of desert mine tailings: Coupling chemical and micro-scale analyses. Applied Geochemistry, 24 (12) 2234-2245 doi:10.1016/j.apgeochem.2009.09.010 | Journal (article/letter/editorial) | | 85721-0038, USA Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA a r t...increasingly associated with Fe and S in plumbojarosite aggregates. For Zn, both total (0.4ā6 g kg 1) and labile...Superfund Site (ID# 1236) is located in Graham County, Arizona (N32 50.990 W110 20.552) within the Aravaipa...spot 10) or in particles represented by large aggregates (Fig. 8a, spots 11ā12) that contain hedenbergite...Lead partitions primarily into plumbojarosite aggregates, and since plumbojarosite is favored by low pH |  | | Journal (article/letter/editorial) | | cronstedtite appear in two types of ļ¬ne-grained aggregates: one type is ļ¬ne-grained, rarely greater than...carbonaceous meteorites. Proc. Natl. Acad. Sci. USA 108, 14015ā14020. Cronin J. R. and Pizzarello S....carbonaceous chondrites. Proc. Natl. Acad. Sci. USA 98, 2138ā2141. Glavin D. P. and Dworkin J. P. (2009)...meteorite parent bodies. Proc. Natl. Acad. Sci. USA 14, 5486ā5492. Soluble organic compounds in the...Pizzarello S., Huang Y., Becker L., Poreda R. J., Nieman R. A., Cooper G. and Williams M. (2001) The organic |  | Izawa, M.R.M., Flemming, R.L., McCausland, P.J.A., Southam, G., Moser, D.E, Barker, I.R. (2010) Multi-technique investigation reveals new mineral, chemical, and textural heterogeneity in the Tagish Lake C2 chondrite. Planetary and Space Science, 58 (10) 1347-1364 doi:10.1016/j.pss.2010.05.018 | Journal (article/letter/editorial) | | features such as chondrules, amoeboid olivine aggregates (AOAs), inclusions, clasts, matrix, and fusion...including sparse chondrules, amoeboid olivine aggregates (AOA), isolated grains of olivine, uncommon coarse-grained...fragments of chondrules and/or amoeboid olivine aggregates (AOA). Coarse-grained, forsterite-dominated clasts...chondrules (Figs. 4 and 6), Amoeboid Olivine Aggregates (AOAāFig. 7) and isolated olivine grains (Table...a few tens of microns), irregular to rounded aggregates of subhedral sulļ¬de crystals, in which individual |  | | Journal (article/letter/editorial) | | Chemistry Stanford University Stanford, CA 94305-5080, USA Received 8 February 2008; accepted in revised form...the IOM behaves as a suspension, with visible aggregates settling to the bottom of the ļ¬ask within minutes...Pizzarello S., Huang Y., Becker L., Poreda R. J., Nieman R. A., Cooper G. and Williams M. (2001) The organic |  | | Journal (article/letter/editorial) | | extension lineation, defined by elongated quartz aggregates or amphiboles, depending on rock type. Quartz...preferred orientation of individual grains and aggregates. The quartz is flattened parallel to the X-Yplane...parallel-oriented amphiboles or lensoid amphibole aggregates. The amphibole crystals frequently show undulose...the unpublished M.Sc. reports ofP. Dietvorst, C. Nieman, J. van Duin, M. van Schaik, N. Schipper, S. Rhebergen |  | IZAWA, Matthew R. M., FLEMMING, Roberta L., KING, Penelope L., PETERSON, Ron C., McCAUSLAND, Phil J. A. (2010) Mineralogical and spectroscopic investigation of the Tagish Lake carbonaceous chondrite by X-ray diffraction and infrared reflectance spectroscopy. Meteoritics & Planetary Science, 45 (4) 675-698 doi:10.1111/j.1945-5100.2010.01043.x | Journal (article/letter/editorial) | | University of New Mexico, Albuquerque, New Mexico 87131, USA 3 Department of Geological Sciences and Geological...clasts including sparse chondrules, ļ¬ne-grained aggregates and individual isolated grains of olivine with...probable that most grains consist of polyphase aggregates of ļ¬ner particles. Powder X-Ray Diffraction and...Pizzarello S., Huang Y., Becker L., Poreda R. J., Nieman R. A., Cooper G., and Williams M. 2001. The organic...C., Cranswick L. M. D., Lwin T., Groleau E., Stephenson G., Aylmore M., and AgronOlshina N. 2002. Outcomes |  | | Journal (article/letter/editorial) | | stage S6 ordinary L6 chondrite found in De Baca County, New Mexico, in 1975 (Lange et al. 1980). It shows...material around ringwoodite crystals in blue colored aggregates. However, this glassy material was not present...McMillan, P., Akaogi, M., Ohtani, E., Williams, Q., Nieman, R., and Sato, R. (1989) Cation disorder in garnets...Earth and Planetary Sciences, Honolulu, Hawaii, USA. June 6ā11, 2004, 61ā62. Sharma, S.K., Simons, B...L6-S6 ordinary chondrite. It was found in De Baca County, New Mexico in 1975. [Taiban (b) of Lange et al |  | | Journal (article/letter/editorial) | | with the accretionary rims of amoeboid olivine aggregates. These areas are rich in phyllosilicate minerals...Pizzarello, S., Huang, Y.S., becker, L., Poreda, R.J., Nieman, R.A., Cooper, G., Williams, M., 2001. The organic |
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