Results 101 to 110 of about 69,126 (260)

Evidence From Microscopy and U–Pb Geochronology as a Clue to the Influence of the Cretaceous Magmatism in the Diagenesis of Pre‐Salt Carbonate Reservoirs in the Santos Basin (Brazil)

Geological Journal, EarlyView.
Carbonates from Santos Basin revealed U–Pb ages correlated with basalt ages (A), suggesting that they were formed during magmatic events. These events placed hot CO2 in the reservoir, which, when mixed with carbonate‐rich cold water (B), led to thermal convection, enabling the formation of the U contained in the carbonates.
Marco António Ruivo de Castro e Brito, Cristiano Leite Sombra, Davy Raeder Brandão, Cleverson Guizan Silva, Sidney Luiz de Matos Mello, Eugênio Vaz dos Santos Neto, Rui Jorge Fernandes Baptista, Ramsés Capilla, Luiz Antônio Pierantoni Gambôa   +8 more
wiley   +1 more source

Spartan Daily, November 7, 1949 [PDF]

, 1949
Volume 38, Issue 23https://scholarworks.sjsu.edu/spartandaily/11290/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Deep Coal Power Foundation Excavation of Rock Burst Hazard [PDF]

Proceedings of the 2015 International Conference on Advanced Engineering Materials and Technology, 2015
Rock burst is one the world's worst coal mine disaster, rock burst accident-prone nature and severity of injuries to become one of the focus of attention, rock burst is an extremely complex dynamic phenomena, is home to cutting-edge research topics of major coal mine safety.
openaire   +1 more source

Creation of a Landslide Susceptibility Map Using Short‐Term Data From the July 2018 Heavy Rainfall in Southern Hiroshima Prefecture

Geological Journal, EarlyView.
This work advances landslide susceptibility mapping by incorporating short‐term trigger data with landscape susceptibility mapping. We also examine the importance of downsampling, watershed delineation and geospatial correlations in evaluating outcomes.
Kanta Kotsugi, Ting Liu, Toshiro Hata, Rebecca Muenich   +3 more
wiley   +1 more source

Fractures characterization in mining field considering seismic location accuracy and its application on pre-warning coal burst hazards

Meitan kexue jishu
Due to high-intensity mining and complex geological conditions, frequent occurrence of rock burst disasters in deep coal mines in China is posing serious threats to mine safety and efficiency.
Anye CAO, Changbin WANG, Xu YANG, Bing WANG, Ning ZHANG, Weiwei ZHAO   +5 more
doaj   +1 more source

Notes on issues relevant to structure of all Southwestern States [PDF]

, 1984
List of transnational corporations that have southern African assets and play a role in the economy of Southwestern states of the ...
Seidman, Ann, Seidman, Robert B.
core  

A review of energy associated with coal bursts

International Journal of Mining Science and Technology, 2018
A coal burst is defined as a rapid expulsion of coal (and potentially gas) from the boundary of the roadway. Rock and coal fractures together with micro seismic vibration is a common occurrence during mining, however, it is very uncommon for coal and rock to be propelled into the roadway.
openaire   +2 more sources

Industry Portfolio Volatility Connections and Industry Portfolio Returns

International Journal of Finance &Economics, EarlyView.
ABSTRACT This paper tracks dynamic connections that form among daily US industry portfolio return volatilities using a Bayesian time‐varying parameter VAR model. Market participants often focus on sectors to filter vast amounts of information, and this focus results in cross‐industry return predictability. We characterise connections that form over the
Michael Ellington, Michalis Stamatogiannis, Yawen Zheng   +2 more
wiley   +1 more source

Occurrence law and classification prevention of rock burst in coal mines of Shaanxi Province

Meitan kexue jishu
With coal resource extraction areas are constantly shifting towards the west and deeper regions, and the number of rock burst mines in the western region is increasing rapidly.
Junfeng PAN, Shaohong LIU, Wentao MA, Yongxue XIA, Shuwen WANG, Meihua FENG   +5 more
doaj   +1 more source

Using Twitter to Understand Public Interest in Climate Change: The case of Qatar

, 2016
Climate change has received an extensive attention from public opinion in the last couple of years, after being considered for decades as an exclusive scientific debate. Governments and world-wide organizations such as the United Nations are working more
Abbar, Sofiane, Berti-Equille, Laure, Borge-Holthoefer, Javier, Zanouda, Tahar   +3 more
core   +2 more sources