WebThorium (Th) isotopes were applied to quantify the supply of lithogenic inputs from the Kerguelen Plateau to the Southern Ocean. The dissolved concentrations of 232Th and 230Th were measured following a novel pre-concentration method using the Nobias resin from 10 stations above and on the slopes of the plateau. Elevated 232Th/230Th ratios in … Web21 mei 2024 · Traditionally, aerosol Fe emissions were associated with lithogenic sources only, assuming an average Fe content similar to the upper crustal material (3.5% for the …
Hydrogeochemical characteristics of the aquifer in southern Assir ...
Web13 mei 2024 · Lithogenic grain-size, geochemical elements of core sediments from the central Bay of Bengal (BoB) were analyzed to identify sediment provenance and explore the regional “source-sink” processes since 25 ka. Based on the geochemical compositions of core BoB-88, relative contributions of three end-member sources (Himalayan, … WebLithogenous sediments usually reflect the composition of whatever materials they were derived from, so they are dominated by the major minerals that make up most terrestrial rock. This includes quartz , feldspar, clay … cygwin for windows 10 32 bit
Anthropogenic and lithogenic sources of trace elements in …
Web10 jul. 2014 · In both reservoirs, Cd and As mainly came from industrial activities and lithogenic source through inflows, respectively. The Pb, Cr and Cu in Hongfeng Reservoir may have arisen from a mixture of sources (traffic pollution and residual effect of former industrial influence), and they were present at higher concentrations at the junction of the … Web15 jul. 2016 · Bauxite Al was derived from two sources of wind-blown volcanic ash. • Mafic volcanic clasts were derived from the Emeishan Large Igneous Province to the SW. • Felsic volcanic ash was derived from the Truong Son volcanic arc to the SE. • These two ash sources exhibit a mixing gradient across the Youjiang Basin. WebThe minerals of soil, which control magnetic susceptibility, can in principle originate from three main sources: lithogenic derived from parent material, pedogenic due to … cygwin for文