Results 81 to 90 of about 74,999 (262)

Fingerprinting stress: stylolite and calcite twinning paleopiezometry revealing the complexity of progressive stress patterns during folding-the case of the Monte Nero anticline in the Apennines, Italy [PDF]

, 2016
In this study we show for the first time how quantitative stress estimates can be derived by combining calcite twinning and stylolite roughness stress fingerprinting techniques in a fold-and-thrust belt.
Aharonov, Einat, Beaudoin, Nicolas, Billi, Andrea, Koehn, Daniel, Lacombe, Olivier, Lecouty, Alexandre, Parlangeau, Camille   +6 more
core   +3 more sources

Study on Mine Earthquake Prediction Based on Numerical Simulation of Rock Fracture Evolution

Energy Science & Engineering
The deformation and instability of overlying strata is the root cause of roof dynamic disasters. Therefore, it is necessary to study the geomechanical behavior of overlying strata and the evolution law of three‐dimensional fracture morphology for ...
Xiu‐Feng Zhang, Wei Li, A‐Tao Li, Feng Gao, Ning Zhang, Xiang Li, Yang Chen, Chuan‐Cheng Liu, Chao‐Hong Shi, Feng‐Jun Han, Bao‐Qi Wang   +10 more
doaj   +1 more source

Selection of favorable shale lithofacies based on an integrated geology and engineering approach: a case study of Lishu Fault Depression in Songliao Basin

Shiyou shiyan dizhi
The Lishu Fault Depression in the Songliao Basin holds significant potential for shale gas exploration and development. This study took the shale in the Yingcheng Formation of the Lishu Fault Depression as the research subject.
Xuan LIN, Jianfeng ZHU, Haiming PANG, Zhongbo LI, Wei WANG, Shuo LIU, Haibin LI, Zhenxue JIANG, Zhuo LI, Chunyu QIN, Kangbo CHEN   +10 more
doaj   +1 more source

A fractal fragmentation model for rockfalls [PDF]

, 2017
The final publication is available at Springer via http://dx.doi.org/10.1007/s10346-016-0773-8The impact-induced rock mass fragmentation in a rockfall is analyzed by comparing the in situ block size distribution (IBSD) of the rock mass detached from the ...
Corominas Dulcet, Jordi, Mavrouli, Olga Christina, Ruiz Carulla, Roger   +2 more
core   +2 more sources

A preliminary Scanning Electron Microscope (SEM) study of magnetite surface microtextures from the Wahianoa moraines, Mt Ruapehu, New Zealand. [PDF]

, 2010
Scanning electron microscope (SEM) of quartz micro‐textures has routinely been used to identify the depositional environment of sediments in areas of former ice‐sheet glaciation.
Brook, Martin S, Mandolla, Stephanie
core  

Development of an improved numerical model for fracture propagation in hydraulic fracturing of low-permeability formations using FracproPT software

Unconventional Resources
The primary technologies employed to access unconventional resources today are horizontal drilling and single or multi-stage fracturing. Micro-seismic data frequently corroborates that hydraulic fracturing in shale reservoirs generates intricate fracture
Najeeb Anjum Soomro
doaj   +1 more source

Simulation of Naturally Fractured Reservoirs. State of the Art Simulation des réservoirs naturellement fracturés. État de l’art

Oil & Gas Science and Technology, 2010
Use of fractured reservoir simulators can help reservoir engineers in the understanding of the main physical mechanisms and in the choice of the best recovery process and its optimization. Significant progress has been made since the first publications
Lemonnier P., Bourbiaux B.
doaj   +1 more source

Fracture network simulation of normal pressure shale gas in complex tectonic regions and application practice

Youqi dizhi yu caishoulu
Fracture network simulation is a key technology for quantitatively evaluating the geometric dimensions and conductivity of fracture networks， which is of great significance for the optimal deployment of well patterns and the optimization of fracturing
ZHANG Guorong, NI Zhenyu, WU Gongyi, WANG Wei, NI Feng   +4 more
doaj   +1 more source

Stratabound arsenic and vein antimony mineralisation in Silurian greywackes at Glendinning, south Scotland [PDF]

, 1983
Stratiform and disseminated pyrite-arsenopyrite concentrations are overprinted by fracturecontrolled polymetallic mineralisation including stibnite through at least tens of metres of Silurian sediments at Glendinning, near Langholm.
Gallagher, M.J., Hills, M.G., Jones, R.C., Kemp, A.E.S., Parker, M.E., Peachey, D., Rollin, K.E., Skilton, B.R.H., Smith, R.T., Stone, P., Vickers, B.P.   +10 more
core  

Geochemistry and origin of organic-rich sediment veins in fractured granitic basement, Helmsdale, Sutherlandshire, UK [PDF]

, 2017
Acknowledgements MB is in receipt of a PhD studentship from the Petroleum Technology Development Fund of Nigeria. LB is supported by NERC grant NE/M010953/1. C. Taylor, W. Ritchie and J. Johnston provided skilled technical support.
Baba, Mas'Ud, Bowden, Stephen, Bullock, Liam, Parnell, John   +3 more
core   +1 more source