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Геология России: Recent submissions
Now showing items 1081-1100 of 43490
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(2006)Dewatering of the groundwater resource and associated reduced flow of surface water features are potential negative impacts when constructing underground facilities. Little work has been done to develop methods for the ...
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(2006)Isotope measurements (δ18O, δD, 3H) indicate groundwater origin in the Lower Colorado River Valley (LCRV) and provide an alternative, or supplement, to the US Bureau of Reclamation’s proposed “accounting surface” method. ...
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(2006)A quantitative spatial analysis of mineral deposit distributions in relation to their proximity to a variety of structural elements is used to define parameters that can influence metal endowment, deposit location and the ...
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(2006)Groundwater abstraction has resulted in spring flow and groundwater base-flow declines in the Hillsborough River system of central Florida, USA. These declines have resulted in reduction of inflows to the Tampa city reservoir ...
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VISUALIZATION OF VOLCANIC ROCK GEOCHEMICAL DATA AND CLASSIFICATION WITH ARTIFICIAL NEURAL NETWORKS (2006)An unsupervised neural network technique, Growing Cell Structures (GCS) was used to visualize geochemical differences between four different island arc volcanic rock types: basalts, andesites, dacites and rhyolites. The ...
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(2006)[1] We use data from GPS campaign and continuous measurements from 1992 to 2004 in SW Iceland to map the surface velocity field from the Reykjanes Peninsula to the Eastern Volcanic Zone. We divide the time series into ...
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2-D AND 3-D MODELLING OF WIDE-ANGLE SEISMIC DATA: AN EXAMPLE FROM THE VøRING VOLCANIC PASSIVE MARGIN (2006)This study presents the modelling of 2-D and 3-D wide-angle seismic data acquired on the complex, volcanic passive margin of the Vøring Plateau, off Norway. Three wide-angle seismic profiles were shot and recorded ...
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(2006)The Mesozoic Yamdrock mélange and the Triassic flysch lie immediately south of the Yarlung Zangbo Suture Zone (YZSZ) ophiolitic belt, in southern Tibet. The whole-rock chemical signature of sandstones (mostly greywackes), ...
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(2006)Declining water level trends and yields of wells, deterioration of groundwater quality and drying up of shallow wells are common in many parts of India. This is mainly attributed to the recurrence of drought years, over ...
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(2006)The present and predicted increase in groundwater’s share of human freshwater withdrawals, its unprecedented importance for human activities globally, and the emerging threats from escalated and unplanned use and degradation, ...
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(2006)A new method for the estimation of groundwater recharge is presented using a surface resistivity method and isotope technique. A linear relationship was obtained between the resistivity of the unsaturated top layer and the ...
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(2006)Geochemical data for thermal spring waters along the southern Rocky Mountain Trench in British Columbia, Canada were examined. The range of equilibration temperatures for the thermal springs is between 24 and 59°C, assuming ...
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(2006)The Ernest Henry Cu–Au deposit was formed within a zoned, post-peak metamorphic hydrothermal system that overprinted metamorphosed dacite, andesite and diorite (ca 1740–1660 Ma). The Ernest Henry hydrothermal system was ...
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(2006)Since 1960, South Asia has emerged as the largest user of groundwater in irrigation in the world. Yet, little is known about this burgeoning economy, now the mainstay of the region's agriculture, food security and livelihoods. ...
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(2006)The ‘COP method’ has been developed for the assessment of intrinsic vulnerability of carbonate aquifers in the frame of the European COST Action 620. This method uses the properties of overlying layers above the water table ...
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(2006)Jeju Island is a volcanic island composed predominantly of permeable basalts. The island is poor in surface water but abundant in groundwater. No actual perennial streams exist and the water resources on the island are ...
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(2006)Key parameters controlling the recharge and behavior of Mediterranean karsts were selected in order to make a quantitative description of northeastern Mediterranean karsts on a regional scale. The methodology was applied ...
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(2006)Gold extraction at the Macraes gold mine in New Zealand involves concentration of pyrite and arsenopyrite, oxidation of those sulphides, then cyanidation. The ore concentrate is predominantly Otago Schist host rock (andesitic ...
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(2006)During the late Tortonian (upper Miocene), the Guadix Basin in S Spain formed one of the Betic corridors that connected the Mediterranean Sea with the Atlantic Ocean. The closure of this connection occurred in a series of ...
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(2006)Over the last decades, groundwater irrigation has become commonplace in many arid and semiarid regions worldwide, including Spain. This is largely a consequence of the advances in drilling and pumping technologies, and of ...
Now showing items 1081-1100 of 43490