نتایج جستجو برای: sodic and potassic

تعداد نتایج: 16827348  

2017
Min Chen Fenglin Niu Jeroen Tromp Adrian Lenardic Cin-Ty A Lee Wenrong Cao Julia Ribeiro

Long-standing debates exist over the timing and mechanism of uplift of the Tibetan Plateau and, more specifically, over the connection between lithospheric evolution and surface expressions of plateau uplift and volcanism. Here we show a T-shaped high wave speed structure in our new tomographic model beneath South-Central Tibet, interpreted as an upper-mantle remnant from earlier lithospheric f...

Journal: :Remote Sensing 2021

The Pulang porphyry copper deposit (PCD), one of the main potential areas for resource exploration in China, exhibits typical alteration zoning. However, further investigation indicative significance minerals, additional insight into metallogenic characteristics, and prospecting guidelines continue to be challenging. In this study, ASTER WorldView-3 data were used map hydrothermal minerals by e...

In the current study, the qualitative status of potable well water was assessed using the groundwater quality index during a course of 4 years (2014-2017). This study was carried out with an aim to monitor the drinking water resources from 12 potable wells on the multivariate analysis basis and for determination of groundwater quality index, the following 13 physicochemical parameters including...

2009
Barend F.N. Erasmus

Biodiversity is a complex subject, and its many facets are dealt with differently by different end users and interested parties. Noss' (1990) definition distinguishes between structural, functional and compositional diversity at levels of organisation ranging from genes, to species and populations, to communities, ecosystems and landscapes. This conceptual framework helps to be explicit about w...

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