The early geological representations in Argentina dated from the middle of the nineteenth century when Alcide d’Orbigny, Charles Darwin, Bartholomew James Sulivan, Franz Foet-terle, Auguste Bravard, Jakob Christen Heusser and Georges Claraz, and Victor Martin de Moussy accompanied their scientific observations with geological maps, stratigraphic sections or sketches of rocky outcrops. Aimé Bonpland (1773-1858), a French naturalist mainly known by his travels with Alexander von Humboldt and by his contributions on tropical botany, settled in southern South America in 1817, and displayed a relevant activity as botanist, zoologist, paleontologist, and geologist. In this last field, Bonpland prepared in 1834 a series of drafts and drawings about the geology of the Itá Pucú that constitute one of the first geological representations to the country and it is the first document providing a detailed description and a schematic graphical representation of a sedimentary outcrop.

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