Cobalt-rich manganese nodules in Pliocene marine deposits of the onshore forearc Pisco Basin, Peru

Willem Viveen; Lisard Torró

Cobalt-rich manganese nodules in Pliocene marine deposits of the onshore forearc Pisco Basin, Peru

Sección de Ingeniería de Minas

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Onshore manganese nodules and vein coatings were recovered from Pliocene sedimentary beds in the Pisco Basin of southern Peru. Identified manganese minerals include todorokite and cryptomelane suggesting a diagenetic origin. However, the chemical composition suggests a mixed hydrogenetic/hydrothermal – diagenetic origin probably due to modification of the geochemical conditions caused by organic matter decay. The onshore exposition of Co-rich (up to 5,080 ppm) Mn nodules in the Pisco Formation suggests a possible novel economic potential to be confirmed by further study.

Original language	Spanish
Title of host publication	SGA2023
State	Published - 1 Jan 2023

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title = "Cobalt-rich manganese nodules in Pliocene marine deposits of the onshore forearc Pisco Basin, Peru",

abstract = "Onshore manganese nodules and vein coatings were recovered from Pliocene sedimentary beds in the Pisco Basin of southern Peru. Identified manganese minerals include todorokite and cryptomelane suggesting a diagenetic origin. However, the chemical composition suggests a mixed hydrogenetic/hydrothermal – diagenetic origin probably due to modification of the geochemical conditions caused by organic matter decay. The onshore exposition of Co-rich (up to 5,080 ppm) Mn nodules in the Pisco Formation suggests a possible novel economic potential to be confirmed by further study.",

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AU - Torró, Lisard

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Y1 - 2023/1/1

N2 - Onshore manganese nodules and vein coatings were recovered from Pliocene sedimentary beds in the Pisco Basin of southern Peru. Identified manganese minerals include todorokite and cryptomelane suggesting a diagenetic origin. However, the chemical composition suggests a mixed hydrogenetic/hydrothermal – diagenetic origin probably due to modification of the geochemical conditions caused by organic matter decay. The onshore exposition of Co-rich (up to 5,080 ppm) Mn nodules in the Pisco Formation suggests a possible novel economic potential to be confirmed by further study.

AB - Onshore manganese nodules and vein coatings were recovered from Pliocene sedimentary beds in the Pisco Basin of southern Peru. Identified manganese minerals include todorokite and cryptomelane suggesting a diagenetic origin. However, the chemical composition suggests a mixed hydrogenetic/hydrothermal – diagenetic origin probably due to modification of the geochemical conditions caused by organic matter decay. The onshore exposition of Co-rich (up to 5,080 ppm) Mn nodules in the Pisco Formation suggests a possible novel economic potential to be confirmed by further study.

UR - https://sga2023.ch/wp-content/uploads/2023/08/SGA2023_session-4a.pdf

M3 - Contribución a la conferencia

BT - SGA2023

ER -

Cobalt-rich manganese nodules in Pliocene marine deposits of the onshore forearc Pisco Basin, Peru

Abstract

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