Results 81 to 90 of about 26,142 (276)
Geological Journal, EarlyView.Our petrochemical studies on ~1.2 Ga granitoids of the Natal Metamorphic Belt, South Africa, do not suggest any property similar to Phanerozoic‐style subduction‐related granitoids. Plot of Kotongweni Tonalite in Y versus Sr diagram (after Moyen 2011), note that most samples have Sr/Y < 50.
Palesa Leuta +2 more
wiley +1 more source
Luminescence dating of Chinese loess beyond 130 ka using the non-fading signal from K-feldspar [PDF]
, 2012 A multi-elevated-temperature post-IR IRSL (MET-pIRIR) protocol, which utilizes the IRSL signals measured by progressively increasing the stimulation temperature from 50 to 300 ℃ in a step of 50 ℃, was applied to date the potassium-rich feldspar (K ...
Bo Li (19583689), Shenghua Li (39556)
core
Cunningham feldspar—Beaver claim [PDF]
, 1943 Cunningham feldspar—Beaver ...
A. F Hagner (10070257)
core +1 more source
Geological Journal, EarlyView.U–Pb isotope and trace element geochemistry of apatite from carbonatites of Peshawar Plain Alkaline Igneous Province, western Himalaya shows Permo‐Carboniferous magmatism, an additional magmatic pulse during Cretaceous, and post‐magmatic hydrothermal/metasomatism during Oligocene. ABSTRACT U–Pb isotope and trace element geochemistry of apatite combined
Mehboob ur Rashid +9 more
wiley +1 more source
Feldspar crystallisation in felsic magmas: a review [PDF]
, 1992 Understanding the controls on the evolution of natural feldspars is greatly assisted by coupling experimental determinations of feldspar/melt equilibria with thermodynamic modelling and the calculation of crystallisation paths.
Hanna Nekvasil
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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
doaj +1 more source
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
doaj +1 more source
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
wiley +1 more source
PROSPECTS FOR THE INTEGRATION OF QUARTZ-FELDSPAR CONCENTRATE OBTAINED FROM KAOLIN ENRICHMENT INTO CERAMIC PRODUCTION PROCESSES [PDF]
. The paper examin es the potential use of quartz feldspar concentrate obtained as a result of kaolin enrichment to meet the growing demand for quartz feldspar materials, which are essential components in the production of ceramic tiles, sanitary ...
Serhiy Bashynsky +2 more
core +1 more source
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
doaj +1 more source