@article{fdi:010052098, title = {{D}enudation rates of the {Q}uadrilatero {F}errifero ({M}inas {G}erais, {B}razil): preliminary results from measurements of solute fluxes in rivers and in situ-produced cosmogenic {B}e-10}, author = {{S}algado, {A}.{A}.{R}. and {B}raucher, {R}. and {C}olin, {F}abrice and {N}alini, {H}.{A}. and {V}arajao, {A}.{F}.{D}.{C}. and {V}arajao, {C}.{A}.{C}.}, editor = {}, language = {{ENG}}, abstract = {{T}his paper investigates the denudation rates in the {Q}uadrilatero {F}errifero, {M}inas {G}erais {S}tate ({B}razil). {T}he aim is to compare chemical weathering rates from measurements of solute fluxes in rivers and long-term mean erosion rates deduced from in situ-produced cosmogenic {B}e-10 concentrations measured in fluvial sediments. {B}oth water samples and sediments were collected in fifteen stations (checkpoints) located in four hydrographic basins with low anthropogenic perturbations. {D}epending of the type of substratum, three degrees of chemical denudation rates from water samples are observed: (i) high rates in marbles; (ii) medium rates in schists, phyllites, granites, gneisses and migmatites; (iii) low rates in quartzites and itabirites. {P}reliminary results of long-term erosion rates deduced from in situ-produced {B}e-10 are comparable with those of chemical rates. (c) 2005 {E}lsevier {B}.{V}. {A}ll rights reserved.}, keywords = {weathering ; denudation ; cosmogenic nuclides ; {Q}uadrilatero {F}errifero ; {BRESIL}}, booktitle = {}, journal = {{J}ournal of {G}eochemical {E}xploration}, volume = {88}, numero = {(1-3) {S}pecial {I}ss. {SI}}, pages = {313--317}, year = {2006}, DOI = {10.1016/j.gexplo.2005.08.064}, URL = {https://www.documentation.ird.fr/hor/fdi:010052098}, }