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  • 1960-1964  (4,059)
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  • 11
    Call number: 10.1144/GSL.SP.1964.001.01.31 (e-book)
    In: Special publications / the Geological Society, London, Volume [1]
    Type of Medium: 12
    Pages: 1 Online-Ressource (VIII, 458 Seiten) , Illustrationen , 1 Corrigenda
    Series Statement: The quarterly journal of the Geological Society of London : Supplement 120
    Language: English
    Note: Table of Contents Part 1: Introduction Arthur Holmes Frederick Henry Stewart Geological Society, London, Special Publications, 1, 1-11, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.03 The history of attempts to establish a quantitative time-scale L. R. Wager Geological Society, London, Special Publications, 1, 13-28, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.04 A review of recent Phanerozoic time-scales N. J. Snelling Geological Society, London, Special Publications, 1, 29-36, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.05 Sedimentation rates in relation to the Phanerozoic time-scale J. D. Hudson Geological Society, London, Special Publications, 1, 37-42, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.06 The relationship between radiometric ages obtained from plutonic complexes and stratigraphical time R. St J. Lambert Geological Society, London, Special Publications, 1, 43-54, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.07 The geological significance of radiometric age studies on volcanic and hypabyssal rocks F. J. Fitch and J. A. Miller Geological Society, London, Special Publications, 1, 55-69, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.08 Part 2: Radiometric Methods with Respect to the Time-Scale Uranium–thorium–lead age-determinations with respect to the phanerozoic time-scale A. G. Darnley Geological Society, London, Special Publications, 1, 73-86, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.09 The rubidium–strontium method Stephen Moorbath Geological Society, London, Special Publications, 1, 87-99, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.10 Potassium—argon methods with special reference to basic igneous rocks John Alfred Miller and Frank John Fitch Geological Society, London, Special Publications, 1, 101-117, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.11 Potassium—argon ages of sedimentary and pyroclastic rocks Halfdan Baadsgaard and Martin Henry Dodson Geological Society, London, Special Publications, 1, 119-127, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.12 Potassium—argon decay constants and age tables Alan Gilbert Smith Geological Society, London, Special Publications, 1, 129-141, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.13 Part 3: Original Data Glauconite dates from the Upper Jurassic and Lower Cretaceous Martin Henry Dodson, David Charles Rex, Raymond Casey and Percival Allen Geological Society, London, Special Publications, 1, 145-158, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.14 The age of the paroxysmal Variscan orogeny in England Frank Joseph Fitch and John Alfred Miller Geological Society, London, Special Publications, 1, 159-175, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.15 Part 4: Stratigraphical Review The Tertiary period Brian Michael Funnell Geological Society, London, Special Publications, 1, 179-191, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.16 The Cretaceous period Raymond Casey Geological Society, London, Special Publications, 1, 193-202, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.17 The Jurassic period Michael Kingsley Howarth Geological Society, London, Special Publications, 1, 203-205, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.18 The Triassic period Edward Timothy Tozer Geological Society, London, Special Publications, 1, 207-209, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.19 The Permian period Denys Barker Smith Geological Society, London, Special Publications, 1, 211-220, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.20 The Carboniferous period Edward Howel Francis and Austin William Woodland Geological Society, London, Special Publications, 1, 221-232, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.21 The Devonian period Peter Furneaux Friend and Michael Robert House Geological Society, London, Special Publications, 1, 233-236, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.22 The Silurian period I. Strachan Geological Society, London, Special Publications, 1, 237-240, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.23 The Ordovician period H. B. Whittington and A. Williams Geological Society, London, Special Publications, 1, 241-254, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.24 The Cambrian period J. W. Cowie Geological Society, London, Special Publications, 1, 255-258, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.25 GENERAL DISCUSSION OF PAPAERS IN PART 4S Geological Society, London, Special Publications, 1, 259, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.26 Summary of the Phanerozoic time-scale: the Geological Society Phanerozoic time-scale 1964 Geological Society, London, Special Publications, 1, 260-262, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.27 Part 5: Abstracts of Published Radiometric and Stratigraphical Data with Comments Introduction Geological Society, London, Special Publications, 1, 265-268, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.28 Items Geological Society, London, Special Publications, 1, 269-442, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.29 Erratum Errata Geological Society, London, Special Publications, 1, 443, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.01 Corrigenda Geological Society, London, Special Publications, 1, 444, 1 January 1964, https://doi.org/10.1144/GSL.SP.1964.001.01.30
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  • 12
    Monograph available for loan
    Monograph available for loan
    Berlin : Akademie-Verl.
    Call number: O 2400 ; 3070
    Type of Medium: Monograph available for loan
    Pages: 139 S. : graph. Darst.
    Location: Upper compact magazine
    Location: Upper compact magazine
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 13
    Monograph available for loan
    Monograph available for loan
    Leipzig : Barth
    Call number: 6148
    Type of Medium: Monograph available for loan
    Pages: VIII, 307 Seiten , Illustrationen
    Uniform Title: An introduction to crystal chemistry 〈dt.〉
    Language: German
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 14
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-117
    In: Research report / Cold Regions Research and Engineering Laboratory, 117
    Description / Table of Contents: Summary: An experiment was designed to investigate operator-variance in the determination of the plastic limit of cohesive soils, independent of sample preparation and hydration time. A standard sample was prepared by dry-mixing commercial clay, "Grundite", with a pure silt. After the sample was hydrated for 3 weeks, five random samples were taken and five replicates performed on each sample. Analysis of variance (AOV) shows that there is no reason to doubt that the sample is homogeneous at the 0.05 level of significance. Random samples were then distributed to five zones of operators, where a zone is defined as a group of operators with similar backgrounds and engineering interests. Two operators from each group performed five replicates. The AOV model used in the analysis is mixed with the upper level fixed and the two lower levels random. The estimated "within" and "between" operator variances are 0. 45 and 4. 18 respectively. The estimated "between zones" contribution to the total sum of squares is negative. No correlation was found between an operator's internal variance and his deviation from the grand mean. On the basis of this experiment, no reason-exists to doubt that an "untrained" operator can obtain results comparable to those of professional operators. The major factor contributing to the total sample variance is the inconsistency between the individual operators who, although able to duplicate their own determinations, do not call the same end point. To minimize between operator variance, a readily prepared standard sample is suggested with which any operator can calibrate his plastic limit determinations against the expected national average.
    Type of Medium: Series available for loan
    Pages: iv, 8 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 117
    Language: English
    Note: CONTENTS Preface Summary ­Introduction Sample preparation Sample homogeneity Distribution of samples Analysis Conclusions and suggested standardization References
    Location: AWI Archive
    Branch Library: AWI Library
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  • 15
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-118
    In: Research report / Cold Regions Research and Engineering Laboratory, 118
    Description / Table of Contents: Summary: The observation that newly frozen ice sheets, resulting from pools of -water freezing over,- support more than would be predicted by ordinary theory is assessed. A solution is presented for a circular plate on an elastic, sealed foundation. Graphical results are shown for supports at the circumference of the plate. Graphs to obtain moments in a circular plate on an elastic bearing surface, using a sealed or unsealed foundation, are compiled for fixed and simple supports. In reality the foundation may not be completely sealed, calling for discretion in selecting the actual moment. The ability of the refrozen ice sheet to support the extra load is explained by the fact that the water has been sealed between the surface and main sheet of ice and the volume occupied by the water cannot change.
    Type of Medium: Series available for loan
    Pages: iii, 14 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 118
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-119
    In: Research report / Cold Regions Research and Engineering Laboratory, 119
    Description / Table of Contents: Summary: An experimental investigation of stress-wave propagation in snow and ice is described. Seven types of Greenland snow were investigated to determine the extent to which the variation in dynamic response of the snow is a function of snow types, and were compared with results of similar Michigan snow experiments. A low-density explosive charge was detonated, sending a steep-fronted shock wave through a metal transfer plate and into the snow sample, compressing the snow and setting it in motion. Measurements were made on shock waves with amplitudes of less than 200 atm. Density and pressure behind the wave fronts were determined by simultaneous measurement of wave-propagation and particle velocity as limited by the fast elastic wave and the slow plastic wave of the two-front structure. Values calculated by the Rankine-Hugoniot jump conditions determined the points at which the material behaves plastically or hydrodynamically. The maximum stable pressure-volume states that snow can reach under shock loading are also shown. Sources of scatter in the results from variations in snow type and errors in data reduction and geometry changes are pointed out.
    Type of Medium: Series available for loan
    Pages: v, 25, A11 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 119
    Language: English
    Note: CONTENTS Test area description Experimental techniques Explosive initiation system Grid lines on snow Grid lines on driving plates The streak camera Synchronization of camera and event Synchronization of flash bulb and event Timing-light generator High-speed framing camera
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-115
    In: Research report / Cold Regions Research and Engineering Laboratory, 115
    Description / Table of Contents: SUMMARY Between 1 July and 7 August 1960, the U.S. Army Snow Ice and Permafrost Research Establishment, Corps of Engineers, supported a £our-man glaciological expedition on the southern dome of the Greenland ice sheet. Measurements of snow temperature, density, ram hardness, and grain size were made at seven pit ~tudies along 191 mileS of over-snow traverse. In addition to the pit studies, 38 Rammsonde profiles were measured and 166 shallow pits were dug to measure temperature in the first meter of snow. The annual accumulation of snow was found to decrease westward, from 97 em water equivalent 50 miles from tP.e east coast, to 40 em 80 miles from the western margin. A possible precipitation shadow was encountered immediately west of the crest line of the ice sheet. The precipitation shadow and the decrease in accumulation westward indicate that the source area for the precipitation lies to the east of the southern dome, in the. Greenland Sea. Temperature profiles in the firn indicated that summer warming was still in progress. During August, melting at an elevation of 2000 m above se~ level was intense (OC in the top 75 em} •. According to the facies classification of glaciers (Benson, 1959, 1960}, most of the study area is in tfie percolation facies, with the possible exception of the westernmost· s.tation (mile l-138) which is at or near the saturation line. The daily heat exchange in the first meter of snow, near the time of maximum melt conditions, is between 20 and '35 cal/cinZ. This is approxi-mately 25o/o of the heat necessary to raise the temperature of a column of firn of unit cross Section and 1 m deep to the melting point. Effective values of thermal conductivity and diffusivity as determined from the temperature curves with no attempt made to isolate radiation and con-vection are, respectively, 4-6 x 10-3 cgs and 20-30 x 10-3 cgs. Radiation and convection in the first meter of firn cause "effective conductivity" values to be 4 to 7 times greater than the value k = 0. 0068pZ given by Abel's (1892), which is the conductivity at greater depths.
    Type of Medium: Series available for loan
    Pages: v, 22, A4, B1 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 115
    Language: English
    Note: CONTENTS Preface Summary Introduction Method of investigation Location Pit studies Temperature Hardness Density Stratigraphic measurements Thermal studies Stratigraphic features Grain size Grain shape Crusts Discussion of results Temperature Altitude gradient Latitude gradient Depth-density relationship Depth-load relationship Densification Stratigraphic analysis Facies relationship Climatological aspects 1960 meteorological observations Temperature Wind Barometric pressure Radiation Cloudiness Visibility Thermal studies Summary and conclusions References Appendix A Appendix B
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  • 18
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-108
    In: Research report / Cold Regions Research and Engineering Laboratory, 108
    Description / Table of Contents: Summary: The theory of snow densification is further developed on the basis of an exponential relation between viscosity and density. A linear relation between load-stress and strain rate is not valid for high stresses, and is replaced by a hyperbolic sine function. An empirical function is given for the temperature cycle correction. Two equations are derived for calculating depth-density curves with computers, and a simplified one for use with desk calculators. Instructions are given for determination of function parameters from field data. Four depth-density curves for Greenland and Antarctic locations are computed and graphed to show that the theory is useful.
    Type of Medium: Series available for loan
    Pages: iv, 18, A3, B5 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 108
    Language: English
    Note: CONTENTS Preface Summary Introduction Notation Stress analysis Analysis of densification process Non-Newtonian densification Equation for hyperbolic sine densification law Determination of parameters Discussion Glaciological engineering aspects References Appendix A: Example of calculation Appendix B: Snow density profiles
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  • 19
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-110
    In: Research report / Cold Regions Research and Engineering Laboratory, 110
    Description / Table of Contents: Summary: Nafe's (1957) presentation of reflection and transmission coefficients at a solid-solid interface was used to compute tables for the case of ice in contact with another solid at a plane interface. Energy ratios of all the combinations of reflected and refracted plane P and S waves were computed for 30 different cases of the second solid. A compressional velocity of 3.6 km/sec, a density of 0.9 g/cm^3, and a value of 1/3 for Poisson's ratio were assumed for the ice. For the other solid, the velocity ranged from 1.2 to 6.0 km/sec, the density from 1.5 to 3.0 g/cm^3, and Poisson's ratio from 0 to 1/3. The computations were carried out with an electronic computer, and the results are presented graphically.
    Type of Medium: Series available for loan
    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 110
    Language: English
    Note: CONTENTS Preface Summary Introduction Definitions Computation Results
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    Branch Library: AWI Library
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  • 20
    Call number: ZSP-202-111,1
    In: Research report / Cold Regions Research and Engineering Laboratory, 111,1
    Description / Table of Contents: Summary: Optical scintillation, visual resolution, and wind and temperature profiles were measured over snow, ice and frozen ground. The data were analyzed to determine relationships between (1) scintillation and visual resolution and (2) scintillation and meteorological and surface conditions. The experimental results included (1) estimates of the limit of visual resolution, (2) telephotometer measurements of the apparent fluctuations in brightness (scintillation) of an artificial light source, and (3) measurements of wind direction and of the vertical distributions of wind speed and temperature. The optical path was 543 m long and 1.5 m above uniform horizontal surfaces. All scintillation and meteorological data are given in an appendix. The principal results of the analysis showed that for turbulent flow in stable stratification over snow (1) visual resolution deteriorated systematically as scintillation increased in intensity and (2) scintilliation intensity increased with increase in vertical temperature gradient. Scintilliation was at a minimum in the absence of thermal stratification and at a maximum (in very stable thermal stratification) during the sudden transition from laminar to turbulent flow. For a given temperature gradient, scintilliation increased with increase in wind speed. When wind and temperature gradients were combined in terms of the Richardson number and related to scintilliation, the data obtained over snow indicated a critical Richardson number of about 0.35. Scintilliation power spectra for eight periods revealed characteristics that could be related to visual resolution, the Richardson number and the mean wind speed component normal to the optical path. NOTE: This file is large. Allow your browser several minutes to download the file.
    Type of Medium: Series available for loan
    Pages: iii, 32, A17, B44 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 111,1
    Language: English
    Note: CONTENTS Preface Page Summary Introduction The problem Previous work Plan of the investigation Conclusions Visual resolution and scintillation Visual resolution and wind, temperature, and surface conditions Visual resolution and height and length of optical path Results Measurements Analysis and discussion Visual resolution and scintillation relationships Scintillation and micrometeorological parameters Index of refraction fluctuations Scintillation and the temperature profile Scintillation and average wind speed Combined effects of wind speed and temperature gradient Scintillation and surface roughness Scintillation power spectra Scintillation and path length References Appendix A: Equipment and procedures Appendix B: Micrometeorological and scintillation data
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