کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4457541 1620924 2013 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Ce, La and Y concentrations in agricultural and grazing-land soils of Europe
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات زمین شناسی اقتصادی
پیش نمایش صفحه اول مقاله
Ce, La and Y concentrations in agricultural and grazing-land soils of Europe
چکیده انگلیسی

Ce, La and Y from agricultural (Ap) and grazing land (Gr) soils of Europe have been investigated using new geochemical data produced by the GEMAS (Geochemical mapping of agricultural and grazing land soils) project. Interpolated maps showing Ce, La, and Y distributions in Ap and Gr were generated using ArcView and classified with the concentration — area (CA) fractal method. The median values of the investigated elements show similar concentrations in Ap and Gr soils, while the median values obtained by XRF-total analyses are generally higher than those obtained by aqua regia extraction, ICP-MS (aqua regia). In general, high pH alkaline soils have higher REE concentrations while specific anomalies can often be correlated with known phosphate and REE mineralizations. The GEMAS and the topsoils media from the FOREGS (Forum of European Geological Surveys) Project databases are compared. FOREGS geochemical data shows larger extended anomalies, such as the European wide north–south division, which are difficult to attribute to local processes, while the GEMAS anomalies are spatially more restricted, and can be related to a number of more local factors (e.g., climate, geology, pH, clay content and presence of till).


► We present Ce, La, Y distribution in agricultural and grazing-land soils of Europe.
► We compare the GEMAS and top soils media from FOREGS datasets.
► We compare the Agriculture and grazing-land soils of Europe.
► The anomalies of Ce, La, and Y in Europe are described.
► Distributions of REEs mineralization and phosphate have been presented.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Geochemical Exploration - Volume 133, October 2013, Pages 202–213
نویسندگان
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