Download Carbonate Cementation in Sandstones: Distribution Patterns by Sadoon Morad PDF

By Sadoon Morad

Carbonate cements are quite common and ample in clastic sequences. They profoundly effect the standard of hydrocarbon reservoirs and provide vital details on palaeoenvironments and the chemical composition and movement styles of fluids in sedimentary basins. regardless of this value, their distribution styles in time and area and their geochemical evolution will not be but deeply explored and elucidated. This unique book comprises 21 evaluate papers and case reviews on carbonate cementation in clastic sequences written by means of invited experts at the topic. those papers current a large and deep insurance that increase our wisdom approximately carbonate cementation in a variety of clastic depositional environments, tectonic settings and burial histories. The e-book could be of precise curiosity to researchers, petroleum geologists and lecturers and scholars on the postgraduate point. when you are a member of the foreign organization of Sedimentologists, for getting information, please see: http://www.iasnet.org/publications/details.asp?code=SP26

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Extra info for Carbonate Cementation in Sandstones: Distribution Patterns and Geochemical Evolution (IAS Special Publication 26)

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Descriptive data and interpretations for each cementation type are pro­ vided in Table 2. Details of spatial distribution and Iitholacies/Iithologic associations of these cementa­ tion types are shown in Figs 6 and 7. Concretions Nodules Nodules can be subdivided into two types. The first consists of small (0. 1 -5 em diameter) subspherical to irregular forms (Fig. 8A) and is common in reddened clays and clay-rich silty sands in overbank fine (OF), and palaeosol (P) horizons (Table I ; Fig. 6).

G. CH, OF, EC, ES in Table I and Fig. 4) were developed for this study. __.. 1 "' '--11 0 20km formation is a function of surface exposure time and landscape stability. , 1993). Because of this they will be considered separately from crevasse splay and over­ bank deposits. METHODS Sections of the Zia Formation were measured along four transects to examine lateral and vertical varia­ tions in lithology and cementation (Fig. 3). R. S. :7:l 122394-5 L::d 122394-6 Sand 122394-7 122394-8 � 122394-9 1395-1 � 122394-10 1395-2 Unconformable 1395-3 Contact .

1 994) Geochemistry and diagenesis of stratabound calcite cement layers within the Rannoch Formation of the Brent Group, Murchison Field, North Viking Graben (northern North Seal­ comment. Sediment. Geol. , 93 , 1 35- 1 4 1 . , KNARUD, R. P. ( 1 990) Albitization of detrital plagioclase in Triassic reservoir sandstones from the Snorre Field, Norwegian North Sea. J. sediment. Petrol. , 60, 4 1 1 -425. S. & GOMEZ-GRAS, D. ( 1 992) The role of mixing-zone dolomitization in sand­ stone cementation: evidence from the Triassic Bunt- 24 S.

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