@article{fdi:010080410, title = {{L}andform-regolith mapping in the {W}est {A}frican context}, author = {{S}awadogo, {B}. and {B}amba, {O}. and {C}hardon, {D}ominique}, editor = {}, language = {{ENG}}, abstract = {{I}n this paper, we present an integrated landform-regolith mapping protocol/chart for {W}est {A}frica developed using a case from {C}entral {B}urkina {F}aso. {T}he chart accounts for (i) the specificities of the ubiquitous, duricrust-capped remnants of the regional paleolandsurfaces - particularly the residual or detrital character of the {F}e duricrusts - and (ii) the diversity of the remaining, non-duricrusted portions of the landscape, with an emphasis on the pitfalls encountered in determining the in-situ or transported character of the regolith. {T}he paper also provides field identification criteria and illustrations of the typical {W}est {A}frican landform-regolith associations. {T}he landform-regolith mapping chart is integrated into a prospectivity chart, which is used to define exploration guides: (i) defining sampling strategies, (ii) interpreting potential geochemical anomalies and (iii) targeting lateral extensions of known bedrock mineralizations. {T}he mapping protocol further allows for the definition of a class of landform-regolith association propitious to supergene mineral concentrations. {T}he mapping protocol is shown to be transposable to wetter contexts and, more generally, to other tropical shield provinces.}, keywords = {{P}ediment ; {W}eathering profile ; {D}uricrust ; {D}etrital duricrust ; {M}ineral exploration ; {BURKINA} {FASO} ; {AFRIQUE} {DE} {L}'{OUEST}}, booktitle = {}, journal = {{O}re {G}eology {R}eviews}, volume = {126}, numero = {}, pages = {103782 [17 p.]}, ISSN = {0169-1368}, year = {2020}, URL = {https://www.documentation.ird.fr/hor/fdi:010080410}, }