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  • 1
    Monograph available for loan
    Monograph available for loan
    A color guide to the petrography of sandstones, siltstones, shales and associated rocks (2014)
    Tulsa, OK : American Association of Petroleum Geologists
    Associated volumes
    Details Availability
    Call number: 9/S 90.0096(109)
    In: AAPG memoir
    Description / Table of Contents: Grains: Quartz and silica -- Monocrystalline -- Polycrystalline -- Feldspars -- Plagioclase -- Potassium feldspars -- Rock fragments -- Sedimentary rock fragments -- Metamorphic rock fragments -- Igneous rock fragments -- Accessory minerals -- Light minerals: Muscovite ; Biotite ; Chlorite -- Ultrastable heavy minerals: Zircon, tourmaline and rutile -- Intermediate-stability heavy minerals: Apatite ; Epidote ; Zoisite and clinozoisite ; Garnet ; Kyanite ; Monzonite, sillimanite and staurolite ; Titanite -- Unstable heavy minerals: Amphibole, pyroxene and olivine -- Opaque minerals -- Associated detrital grains and rocks: Carbonate grains ; Siliceous grains and rocks ; Phosphatic grains and rocks ; Organic grains and rocks ; Evaporite grains and rocks ; Green marine clays and rocks ; Green marine clays and ironstones ; Iron-rich grains and iron formations ; Tuffaceous deposits -- Texture and classification: Sand and sandstone textures -- Sandstone classification -- Mudrocks: Siltstones, mudstones, claystones and shales -- Diagenesis: Synsedimentary and surficial diagenetic features -- Compaction -- Cementation: Introduction. Quartz and silica ; Quartz overgrowths ; Polycrystalline quartz cements ; Amorphous silica cements -- Cementation: Feldspars -- Cementation: Clays ; Chamosite ; Glauconite ; Kaolinite/dickite ; Smectite and illite/smectite ; Illite/sericite ; Chlorite -- Cementation: Zeolites -- Cementation: Carbonates ; Calcite ; Siderite ; Dolomite ; Ankerite -- Cementation: Sulfates and halides ; Gypsum ; Anhydrite ; Barite ; Celestite and halite -- Cementation: Iron oxides and sulfides -- Cementation: Other cements -- Dissolution -- Replacement and recrystallization: Feldspars ; Carbonates ; Sulfates ; Other -- Deformation features -- Other topics: Porosity -- Paragenesis -- Emerging techniques
    Type of Medium: Monograph available for loan
    Pages: XVI, 526 Seiten , Ill. , 1 DVD-ROM
    ISBN: 0891813896 , 9780891813897
    Series Statement: AAPG Memoir 109
    Classification:
    Petrology, Petrography
    Language: English
    Note: GrainsChapter 1: Quartz and silica - Monocrystalline - Polycrystalline -- Chapter 2: Feldspars - Plagioclase - Potassium feldspars -- Chapter 3: Rock fragments - Sedimentary rock fragments - Metamorphic rock fragments - Igneous rock fragments -- Chapter 4: Accessory minerals - Light minerals: Muscovite - Biotite - Chlorite ; Ultrastable heavy minerals: Zircon, tourmaline and rutile ; Intermediate-stability heavy minerals: Apatite - Epidote - Zoisite and clinozoisite - Garnet - Kyanite - Monzonite, sillimanite and staurolite - Titanite ; Unstable heavy minerals: Amphibole, pyroxene and olivine ; Opaque minerals -- Chapter 5: Associated detrital grains and rocks: Carbonate grains - Siliceous grains and rocks - Phosphatic grains and rocks - Organic grains and rocks - Evaporite grains and rocks - Green marine clays and rocks - Green marine clays and ironstones - Iron-rich grains and iron formations - Tuffaceous deposits.. , Texture and ClassificationChapter 6: Sand and sandstone textures -- Chapter 7: Sandstone classification.. , MudrocksChapter 8: Siltstones, mudstones, claystones and shales.. , DiagenesisChapter 9: Synsedimentary and surficial diagenetic features -- Chapter 10: Compaction -- Chapter 11: Cementation - Introduction / Quartz and silica - Quartz overgrowths - Polycrystalline quartz cements - Amorphous silica cements -- Chapter 12: Cementation - Feldspars -- Chapter 13: Cementation - Clays - Chamosite - Glauconite - Kaolinite/dickite - Smectite and illite/smectite - Illite/sericite - Chlorite -- Chapter 14: Cementation - Zeolites -- Chapter 15: Cementation - Carbonates - Calcite - Siderite - Dolomite - Ankerite -- Chapter 16: Cementaton - Sulfates and halides - Gypsum - Anhydrite - Barite - Celestite and halite -- Chapter 17: Cementation - Iron oxides and sulfides -- Chapter 18: Cementation - Other cements -- Chapter 19: Dissolution -- Chapter 20: Replacement and recrystallization - Feldspars - Carbonates - Sulfates - Other -- Chapter 21: Deformation features.. , Other topicsChapter 22: Porosity -- Chapter 23: Paragenesis -- Chapter 24: Emerging techniques..
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    Branch Library: GFZ Library
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  • 2
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    Molecular evidence of Late Archean archaea and the presence of a subsurface hydrothermal biosphere (2007)
    Details
    Publication Date: 2022-05-26
    Description: Author Posting. © National Academy of Sciences of the USA, 2007. This is the author's version of the work. It is posted here by permission of National Academy of Sciences of the USA for personal use, not for redistribution. The definitive version was published in Proceedings of the National Academy of Sciences 104 (2007): 14260-14265, doi:10.1073/pnas.0610903104.
    Description: Highly cracked and isomerized archaeal lipids and bacterial lipids, structurally changed by thermal stress, are present in solvent extracts of 2,707-2,685 million year old (Ma) metasedimentary rocks from Timmins, Ontario, Canada. These lipids appear in conventional gas chromatograms as unresolved complex mixtures (UCMs) and include cyclic and acyclic biphytanes, C36-C39 derivatives of the biphytanes, and C31-C35 extended hopanes. Biphytane and extended hopanes are also found in high pressure catalytic hydrogenation (HPCH) products released from solvent-extracted sediments,indicating that archaea and bacteria were present in Late Archean sedimentary environments. Post-depositional, hydrothermal gold mineralization and graphite precipitation occurred prior to metamorphism (~2,665 Ma). Late Archean metamorphism significantly reduced the kerogen’s adsorptive capacity and severely restricted sediment porosity, limiting the potential for post-Archean additions of organic matter to the samples. Argillites exposed to hydrothermal gold mineralization have disproportionately high concentrations of extractable archaeal and bacterial lipids relative to what is releasable from their respective HPCH product and what is observed for argillites deposited away from these hydrothermal settings. The addition of these lipids to the sediments likely results from a Late Archean subsurface hydrothermal biosphere of archaea and bacteria.
    Description: This project was supported by NASA Exobiology grant #NAG5-13446 to Fabien Kenig. SEM analysis was supported by NSF grant EAR 0318769 to Juergen Schieber. GC×GC analysis was supported by NSF grant IIS-0430835 and the Seaver Foundation to Christopher M. Reddy.
    Repository Name: Woods Hole Open Access Server
    Type: Preprint
    Format: application/pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Growth of Rare Earth Scheelites by the Flux Method (1965)
    s.l. : American Chemical Society
    Inorganic chemistry 4 (1965), S. 762-763 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50027a040
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  • 4
    Electronic Resource
    Electronic Resource
    Defluorination of wagnerite coproduced with magnesium phosphate fertilizer (1973)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 21 (1973), S. 1102-1106 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60190a043
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  • 5
    Electronic Resource
    Electronic Resource
    Production of magnesium phosphate compounds via calcium phosphorochloride [Ca2PO4Cl] from fluorapatite and chlorides (1980)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 28 (1980), S. 882-883 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60230a047
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  • 6
    Electronic Resource
    Electronic Resource
    Electrodynamics of distributed-parameter induction devices (1977)
    Springer
    Electrical engineering 59 (1977), S. 297-303 
    Details
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Übersicht Der Ausbau einer befriedigenden Theorie linearer Induktionsmaschinen erzwingt die Untersuchung der Feldwicklungen des Erregerkreises. Zwei Modelle der Erregerwicklungen wurden in einem früheren Aufsatz untersucht; der gegenwärtige Aufsatz untersucht den vollständigen Energie-Austausch zwischen dem Stator und dem Rotor an Hand der vorgeschlagenen Modelle.
    Notes: Contents The search for a self-consistent field theory for linear induction motors entails analysis of the excitation winding of the primary member. Two models for this winding, lending themselves to a relatively simple analysis with the aid of Maxwell's field equations, have been considered in a previous communication. In the present paper, the entire energy conversion process between the stator and the rotor is investigated according to these two models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01846006
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  • 7
    Electronic Resource
    Electronic Resource
    Some remarks on the analysis of electrical machinery in rotating frames of reference (1981)
    Springer
    Electrical engineering 63 (1981), S. 111-115 
    Details
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Übersicht Elektrische Maschinen werden in der Praxis untersucht an Hand der Maxwellschen Gleichungen. Die gewöhnliche form dieser Gleichungen ist gültig in einem unbeschleunigtem Koordinatensstem: der Rotor einer Maschine stellt aber nicht so ein System dar und einige Aspekte des sich also egebenden Konfliktes werden hervorgehoben.
    Notes: Contents Electrical machines are analysed at hand of Maxwell's equations. In their regular form, these equations hold in inertial frames of reference onlyk whereas a rotating rotor obviously does not fall within this category. Some of the issues involved in this contradiction are outlined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578410
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  • 8
    Electronic Resource
    Electronic Resource
    A model of unipolar induction (1986)
    Springer
    Electrical engineering 69 (1986), S. 121-127 
    Details
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Übersicht Die Tatsache, daß die Unipolarinduktion eine relativistische Erscheinung ist wird erneut hervorgehoben. Ein einfaches Modell des Vorganges wird betrachtet und die entstehende Randwertaufgabe ist durchrechnet. Tieferes Verständnis der Unipolarinduktion ist hierbei erhofft.
    Notes: Contents The relation between unipolar induction and restricted relativity is reemphasized from an engineering point of view. A simple model is analyzed and the attendant boundary-value problem is formulated and solved. Although extremely simple, the latter yields insight into the inception of the induction process proper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574847
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  • 9
    Electronic Resource
    Electronic Resource
    Wave propagation in a lossy-plane waveguide (1979)
    Springer
    Electrical engineering 61 (1979), S. 209-213 
    Details
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Übersicht Die Ausbreitung der Felder in einem einfachen, ebenen, homogenen Wellenleiter mit Verlusten wurde untersucht; die Durchrechung führt auf eine transzendente Gleichung deren Wurzeln numerisch ermittelt wurden. Graphische Resultate sind ersichtlich.
    Notes: Contents The field pattern for propagation of electromagnetic energy in a waveguide consisting of a pair of lossy planes in vacuum is evaluated; the calculations lead to a transcendental equation which, solved numerically, yields a direct measure of the propagation factor. Relevant numerical results are presented in graphical form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01594242
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  • 10
    Electronic Resource
    Electronic Resource
    Electrodynamics of polyphase windings (1976)
    Springer
    Electrical engineering 58 (1976), S. 117-127 
    Details
    ISSN: 1432-0487
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Description / Table of Contents: Übersicht Der Ausbau einer elektrodynamischen Theorie linearer Induktionsmaschinen erzwingt die Untersuchung der Energie-Zufuhr an die Erregerwicklung; diese Frage, ihrerseits, schließt in sich die Untersuchung desVVerhaltens der verteilten mehrphasigen Erregerwicklung. In der vorliegenden Arbeit werden zwei verschiedene Modelle für die Erregerwicklung vorgeschlagen, Das “einseitige” Modell läßt wohl die Untersuchung des Verhaltens des Motors auf quasi-statischer Weise zu; jedoch verweigert scheinend, ermöglicht eine klare Einsicht in den unterstehenden physikalische Vorgägen. Beide Modelle werden untersucht.
    Notes: Contents The construction of an electrodynamic theory for linear induction motors entails consideration of the mechanism of energy supply to the excitation winding. This problem, in turn, involves the electromagnetic behaviour of polyphase windings and their performance in the energy-exchange process. In the paper two distinct excitation models for linear induction motors are introduced. While the model involving “one-sided” excitation seems to permit analysis by means of quasistatics, this is achieved to the detriment of understanding of the energy-transfer mechanism to and from the winding. The second model, on the other hand, while perhaps more artificial at first glance, provides clearer insight into the physical processes involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574197
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