Mineral Dust and Pedogenesis in the Alpine Critical Zone
Jeffrey S. Munroe,
Abigail A. Santis,
Elsa J. Soderstrom
et al.
Abstract:Abstract. The influence of mineral dust deposition on soil formation in the mountain critical zone was evaluated at six sites in southwestern North America. Passive samplers collected dust for two years, and representative soil and rock were gathered in the vicinity of each dust sampler. All materials (dust, soil, and rock) were analysed to determine their mineralogy (with x-ray diffraction), geochemistry (with ICP-MS), and radiogenic isotope fingerprint (87Sr/86Sr and εNd). In addition, the grain size distrib… Show more
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