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Now showing items 17-21 of 21

Reconciliation of contrasting theories for fracture spacing in layered rocks

Schöpfer, Martin P. J. ; Arslan, Arzu ; Walsh, John J. ; Childs, Conrad (Elsevier, 2011-04)

Natural and man-made brittle layers embedded in a weaker matrix and subjected to layer-parallel extension typically develop an array of opening-mode fractures with a remarkably regular spacing. This spacing often scales ...
Sedimentology, sandstone provenance and palaeodrainage on the eastern Rockall Basin margin : evidence from the Pb isotopic composition of detrital K-feldspar

Tyrrell, Shane ; Souders, A. Kate ; Haughton, P. D. W. ; Daly, J. Stephen ; Shannon, Patrick M. (The Geological Society of London, 2010)

The Rockall Basin, west of Ireland, is a frontier area for hydrocarbon exploration but currently the age and location of sand fairways through the basin are poorly known. A recently developed provenance approach based on ...
Source separation on seismic data : application in a geophysical setting

Moni, Aishwarya ; Bean, Christopher J. ; Lokmer, Ivan ; Rickard, Scott (Institute of Electrical and Electronic Engineers, 2012-05)

This article gives a brief description of the Degenerate Unmixing Estimation Technique (DUET) and applies it in a geophysical setting. Source separation has not been fully addressed by geophysicists and is a crucial first ...
Static and dynamic connectivity in bed-scale models of faulted and unfaulted turbidites

Manzocchi, Tom ; Walsh, John J. ; Tomasso, Mark ; Strand, Julian ; Childs, Conrad ; Haughton, P. D. W. (Geological Society, London, 2007)

A range of unfaulted and faulted bed-scale models with sheet-like bed geometries have been built and analysed in terms of static bed connectivity and fractional permeability assuming permeable sands and impermeable shales. ...
Zn, Fe and S isotope fractionation in a large hydrothermal system

Gagnevin, Damien ; Boyce, Adrian ; Barrie, Craig ; Menuge, Julian ; Blakeman, Robert (Elsevier, 2012-07-01)

The genesis of hydrothermal ore deposits is of crucial economic importance. This study investigates the extent, causes and consequences of zinc and iron isotope fractionation in a large hydrothermal system at the world-class ...