Results 11 to 20 of about 1,113,428 (48)

Structural heterogeneity and permeability in faulted eolian sandstone: Implications for subsurface modeling of faults [PDF]

open access: yes, 2002
We determined the structure and permeability variations of a 4 km-long normal fault by integrating surface mapping with data from five boreholes drilled through the fault (borehole to tens of meters scale).
Forster, C.B.   +4 more
core   +9 more sources

Characterisation of sedimentary structure and hydraulic behaviour within the unsaturated zone of the Triassic Sherwood Sandstone aquifer in North East England [PDF]

open access: yes, 2004
A study of the sedimentological framework and permeability characteristics of the Sherwood Sandstone has been undertaken together with a detailed investigation of moisture migration in the vadose zone at a single field site.
Truss, Steven William
core   +7 more sources

Architecture of fluvio-deltaic sandbodies: the Namurian of Co. Clare, Ireland, as an analogue for the Plio-Pleistocene of the Nile Delta [PDF]

open access: yes, 2003
Understanding and predicting the size, shape and internal architecture of sandbodies is of fundamental importance in hydrocarbon exploration. High quality hydrocarbon reservoirs are often formed in deltaic environments where there is a complex interplay ...
Stirling, Eleanor Jane
core   +7 more sources

Imaging compaction band propagation in Diemelstadt sandstone using acoustic emission locations [PDF]

open access: yes, 2008
We report results from a conventional triaxial test performed on a specimen of Diemelstadt sandstone under an effective confining pressure of 110 MPa; a value sufficient to induce compaction bands.
Thompson, BD   +17 more
core   +1 more source

Sandstone-hosted concretionary cements of the Hebrides, Scotland.

open access: yes, 1989
The geometries of the sandstone-hosted calcite concretions of the Jurassic Valtos Sandstone Formation and Bearreraig Sandstone Formation are described and related to the processes operating during concretion growth.
Mark. Wilkinson (7633403)
core   +6 more sources

The White Bridge of Ahwaz [PDF]

open access: yes, 2018
Less than fifty years after the Brooklyn Bridge, the piles of the world’s fourth suspension bridge was firmed in Iran. Ahwaz is the most important city of the south and the pioneer city in industrialization of Iran.
Bazazzadeh, Hassan
core   +2 more sources

Reservoir characterization and potential of the old red sandstone around the inner moray firth, NE Scotland [PDF]

open access: yes, 1993
Old Red Sandstone deposition in North East Scotland occurred during Devonian times within the Orcadian Basin, a northeast-southwest elongated structure. The basin formed in an extensional tectonic regime that resulted from gravitational collapse of over ...
Forbes, Douglas
core  

Petrography and geochemistry of Ahwaz Sandstone Member of Asmari Formation, Zagros, Iran: implications on provenance and tectonic setting

open access: yes, 2008
An integrated petrographic and geochemical study of the Ahwaz Sandstone Member of OligoceneMiocene age, Asmari Formation in Zagros, southwest Iran, was carried out to infer their provenance and tectonic setting.
Of Ahwaz Sandstone   +2 more
core  

The origin of massive sandstone facies in an ancient braided river deposits [PDF]

open access: yes, 1995
Lateral profiling techniques have been utilised to define the three-dimensional fluvial architecture of the Fell Sandstone Group (Arundian-Holkerian) of the Northumberland Basin, UK; the Lee-type sandstones (Morrowan-Atokan) of the central Appalachian ...
Martin, Charlotte Ann Lesley
core  

Oil-impregnated sandstone deposits Circle Cliffs Uplift, Utah

open access: yes, 1981
Book; reportOne of the major oil-impregnated sandstone deposits in the United States is present on the Circle Cliffs uplift in an unnamed sandstone unit in the middle portion of the Triassic Moenkopi Formation.
Ritzma, Howard R.
core  

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