Results 71 to 80 of about 32,961 (360)
Geological Journal, EarlyView.Integrated petrographic, mineralogical and geochemical data from the Hastanetepe Pb–Zn deposit (Balya, Türkiye) reveal multi‐stage hydrothermal alteration and a magmatic sulphur source. Fluid inclusion and sulphur isotope results indicate a complex fluid evolution responsible for skarn‐type Pb–Zn mineralization along limestone–dacite contacts ...
Esra Ünal‐Çakır
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Geological Journal, EarlyView.The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang +6 more
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Geophysical Monograph Series, Page 263-304., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside +3 more
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Бюллетень Почвенного института им. В.В. Докучаева, 2014 The experimental results showed the impact rendered by different rates of organic fertilizers in the kind of poultry excrements on crystallochemical parameters of minerals containing in the fine-dispersed fractions (less than 1, 1-5, 5-10 mkm).
N. P. Chizhikova +2 more
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RESPONSE OF RUTA GRAVEOLENS L. TO ROCK PHOSPHATE AND /OR FELDSPAR UNDER BIOLOGICAL FERTILIZERS [PDF]
Arab Universities Journal of Agricultural Sciences, 2007 Two experiments were consummated at the Experimental Farm, National Research Center (NRC), Dokki, Cairo, Egypt during two succes-sive seasons of 2004/2005 and 2005/2006 to eval-uate the effect of natural products as a source of some important elements ...
Khalid Khalid +2 more
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Journal of Quaternary Science, EarlyView.Abstract The Burren uplands in western Ireland form one of the most extensive and best‐preserved examples of glacio‐karst in Europe. Subsumed by the Irish ice sheet during the Late Pleistocene, granite erratic boulders and in situ silica veins in the limestone bedrock provide a rare opportunity to reconstruct the timing and rate of deglaciation ...
Gordon Bromley +4 more
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Petrography and Provenance Study of South-Central Part of Kaladgi Basin, Belgaum, Karnataka, India
International Journal of Economic and Environment Geology, 2020 The area under investigation covers the south-central part of Kaladgi series comprising of sedimentary rocks, mainly quartzarenites. From the geological point of view the study area comprises southcentral part of Kaladgi basin covering ...
Anant G. Pujar, A. Sreenivasa, Ajaykumar N. Asode
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, 2019 Alkali feldspar granites are intrusive rocks and mainly composed of alkali feldspar, quartz and plagioclase. They represent one of the major sources that provide raw materials for glass and ceramics industry because of their high feldspar and quartz ...
KADIOĞLU, Yusuf Kağan, DENİZ, Kıymet
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Journal of Quaternary Science, EarlyView.ABSTRACT Victoria Cave, north Yorkshire, England, contains a long sequence of Pleistocene clastic sediments and calcite flowstones. Earlier work, using U–Th dating, established that the flowstone units formed in interglacial stages corresponding to Marine Isotope Stages (MIS) 13, 11, 9, 7 and 5.
Tom C. Lord +7 more
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Farming in the shadows of Rome: A multi‐proxy palaeoenvironmental record from Loch Clunie—Perthshire
Journal of Quaternary Science, EarlyView.ABSTRACT Roman impacts on local society is a subject of international significance. Loch Clunie, Perthshire, lies only 5.4 km from Inchtuthil, the only Roman legionary fortress in Scotland, and contains two crannogs and a probable lakeside hillfort. Despite this proximity and the likelihood of local–Roman interaction, these sites remain unexcavated ...
Samantha E. Jones +6 more
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