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Jones, J.V. III, Piatak, N.M. and Bedinger, G.M. (2017) Zirconium and Hafnium. Chap. V. In: Schulz, K.J., DeYoung, J.H., Seal, R.R. and Bradley, D.C., Eds., Critical Mineral Resources of the United States—Economic and Environmental Geology and Prospects for Future Supply, U.S. Geological Survey Professional Paper 1802, V1-V26.

has been cited by the following article:

• TITLE: Concentrations of Poorly Studied Technology-Critical Elements Ge, Zr, Mo, Sn, Sb, Hf, Ta, W and Ti in the Sediments of Three Northern Egyptian Lakes

  AUTHORS: Safaa A. Abdel Ghani, Mohamed A. Shreadah

  KEYWORDS: Poorly-Studied Technology-Critical Metals, Sediments, Northern Egyptian Lakes, ICP-MS

  JOURNAL NAME: Journal of Environmental Protection, Vol.12 No.12, December 14, 2021

  ABSTRACT: Thirty five Sediment samples were collected from three Northern Egyptian Lakes namely El Burullus, El Manzala and El Bardawil to evaluate for the first time the concentrations of poorly studied technology-critical elements, namely Ge, Zr, Mo, Sn, Sb, Hf, Ta, W and Ti, and how that may be linked to local water quality parameters and other geochemical factors. Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to determine element’s concentration. The results were compared with Upper Continental Crust (UCC) and Nile sediment (ANS). Lake sediments generally have relatively low contents of most elements. The average concentration of Zr, Hf, Ta and W are lower than UCC and ANS in three Lakes. El Bardawil Lake attained the lowest average concentration for all elements except Mo. Correlation analysis revealed that water quality and geochemical properties did not play any important role affecting the metal distribution and the studied metals are generally not affected by the complex lacustrine system of these lakes and their spatial distribution still not affected by the different anthropogenic activates.