Variable character and diverse origin of hybrid event beds in a sandy submarine fan system, Pennsylvanian Ross Sandstone Formation, western Ireland

Sedimentology ◽  
2018 ◽  
Vol 65 (3) ◽  
pp. 952-992 ◽  
Author(s):  
Colm S. Pierce ◽  
Peter D. W. Haughton ◽  
Patrick M. Shannon ◽  
Andy J. Pulham ◽  
Simon P. Barker ◽  
...  
2020 ◽  
Vol 9 (1) ◽  
Author(s):  
Lei-Fu Zhang ◽  
Da-Zhong Dong

AbstractDeep-marine and deep-lacustrine reservoirs have been targets for conventional and unconventional oil and gas exploration and development for decades. Thickening-upward cycles in the deep-marine Carboniferous Ross Sandstone Formation outcrops in western Ireland and the deep-lacustrine Triassic Yanchang Formation outcrops in southeast Ordos Basin have been investigated and correlated in this study. Typical thickening-upward cycles consisting of, from bottom to top: (1) laminated shales/shales with interbedded siltstone beds; (2) interbedded sandstones/siltstones and mudstones; (3) structureless massive sandstones, are well recognized in these outcrops and are interpreted as turbidite lobes. A continuously prograding lobe-element model is proposed to explain the repeated stacking of thickening-upward cycles. Thickening-upward cycles developed within deep-marine and deep-lacustrine environments are highly comparable in many aspects, such as sedimentary structures, sheet-like geometries and amalgamation features. A frequent and strong degree of amalgamation is developed within the massive sandstone at the top of each thickening-upward cycle, suggesting a layer-by-layer depositional manner. Field observations and comparison with deep-marine counterparts support the occurrence of turbidity flows in the Yanchang Formation, Ordos Basin.


2017 ◽  
pp. 136-152 ◽  
Author(s):  
V. Gazman

If we want securitization to become one of the main channels to attract funding in leasing activity, as the Bank of Russia predicts, one needs to revise some stereotypes. Relying on foreign and domestic research, the author gives a critical assessment of the postulate of the need for uniformity of securitized assets; proves that real estate, contrary to the traditional approach, rather than equipment and transport, prevails in securitization transactions, and explains why this happens. The article presents a new perspective on the behavior of issu- ers concerning the timing of securities circulation; considers feasibility approach to the calculation of variable character of leverage in leasing; explains pro and contra of evaluating the leasing market based on the volume of the portfolio of contracts; reveals the validity of ratings of bonds issued in the course of secu- ritization of leasing assets.


2015 ◽  
Vol 35 (2) ◽  
pp. 211-239 ◽  
Author(s):  
Mark Gilfillan

Despite the weaknesses of domestic fascist movements, in the context of the rise of Nazi Germany and the presence of antisemitic propaganda of diverse origin Edinburgh's Jewish leaders took the threat seriously. Their response to the fascist threat was influenced by the fact that Edinburgh's Jewish community was a small, integrated, and middle-class population, without links to leftist groups or trade unions. The Edinburgh community closely followed the approach of the Board of Deputies of British Jews in relation to the development of fascism in Britain, the most significant aspect of which was a counter-propaganda initiative. Another important aspect of the response in Edinburgh was the deliberate cultivation of closer ties to the Christian churches and other elite spheres of Scottish society. Despite some unique elements, none of the responses of Edinburgh Jewry, or indeed the Board of Deputies, were particularly novel, and all borrowed heavily from established traditions of post-emancipation Jewish defensive strategies.


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