Mass balance of cenozoic andes-amazon source to sink system—marañón basin, Peru

Gérôme Calvès; Ysabel Calderón; Christian Hurtado Enriquez; Stéphane Brusset; William Santini; Patrice Baby

doi:10.3390/geosciences8050167

Mass balance of cenozoic andes-amazon source to sink system—marañón basin, Peru

Gérôme Calvès, Ysabel Calderón, Christian Hurtado Enriquez, Stéphane Brusset, William Santini, Patrice Baby

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Resumen

We investigate the mass balance of the Cenozoic Andes-Amazon source to sink system using rock uplift proxies and solid sedimentation of the Marañón Basin in Peru. The evolution of sedimentation rates is calibrated with regional structural restored cross-section. The quantification of eroded sediments from reliefs to sedimentary basin is achieved with ×10 Myr resolution and compared to present day proxies from the HYBAM (HYdrologie et Biogéochimie du Bassin Amazonien) Critical Zone Observatory. Erosion of the early Andean landforms started during the Upper Mesozoic period, but sediment rates significantly increase during the Neogene. This is in agreement with the calibrated increase of rock uplift in the Andean orogenic belt.

Idioma original	Inglés
Número de artículo	167
Publicación	Geosciences (Switzerland)
Volumen	8
N.º	5
DOI	https://doi.org/10.3390/geosciences8050167
Estado	Publicada - may. 2018
Publicado de forma externa	Sí

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title = "Mass balance of cenozoic andes-amazon source to sink system—mara{\~n}{\'o}n basin, Peru",

abstract = "We investigate the mass balance of the Cenozoic Andes-Amazon source to sink system using rock uplift proxies and solid sedimentation of the Mara{\~n}{\'o}n Basin in Peru. The evolution of sedimentation rates is calibrated with regional structural restored cross-section. The quantification of eroded sediments from reliefs to sedimentary basin is achieved with ×10 Myr resolution and compared to present day proxies from the HYBAM (HYdrologie et Biog{\'e}ochimie du Bassin Amazonien) Critical Zone Observatory. Erosion of the early Andean landforms started during the Upper Mesozoic period, but sediment rates significantly increase during the Neogene. This is in agreement with the calibrated increase of rock uplift in the Andean orogenic belt.",

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doi = "10.3390/geosciences8050167",

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AU - Calvès, Gérôme

AU - Calderón, Ysabel

AU - Enriquez, Christian Hurtado

AU - Brusset, Stéphane

AU - Santini, William

AU - Baby, Patrice

PY - 2018/5

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AB - We investigate the mass balance of the Cenozoic Andes-Amazon source to sink system using rock uplift proxies and solid sedimentation of the Marañón Basin in Peru. The evolution of sedimentation rates is calibrated with regional structural restored cross-section. The quantification of eroded sediments from reliefs to sedimentary basin is achieved with ×10 Myr resolution and compared to present day proxies from the HYBAM (HYdrologie et Biogéochimie du Bassin Amazonien) Critical Zone Observatory. Erosion of the early Andean landforms started during the Upper Mesozoic period, but sediment rates significantly increase during the Neogene. This is in agreement with the calibrated increase of rock uplift in the Andean orogenic belt.

KW - Andes

KW - Cenozoic

KW - Erosion

KW - Marañón Basin

KW - Mass balance

KW - Peru

KW - Sedimentation rate

KW - Source to sink

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Mass balance of cenozoic andes-amazon source to sink system—marañón basin, Peru

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