[HTML][HTML] From exploration to remediation: A microbial perspective for innovation in mining

A Levett, SA Gleeson, J Kallmeyer - Earth-Science Reviews, 2021 - Elsevier
As society transitions to low-carbon, renewable energy resources, the demand for metals
and minerals is set to increase. Massive quantities of base metals and mineral materials (for …

Geology of the Gouap iron deposit, Congo craton, southern Cameroon: Implications for iron ore exploration

LS Tamehe, W Chongtao, S Ganno, SJ Simon… - Ore Geology …, 2019 - Elsevier
Abstract The Ntem Complex represents the northwestern edge of the Archean Congo craton
in southern Cameroon where numerous banded iron formation (BIF)-hosted iron deposits …

Lithological control on the formation of ferruginous duricrusts in the Espinhaço Range (Minas Gerais, Brazil)

AR Milagres, FS Oliveira, AFDC Varajão, CAC Varajão… - Catena, 2023 - Elsevier
Abstract The Espinhaço Range is the scene of a long history of exposure to chemical
weathering and erosion processes since the Cretaceous. As a result, ferruginous duricrusts …

Microbial weathering signatures in lateritic ferruginous duricrusts

A Levett, PM Vasconcelos, EJ Gagen, L Rintoul… - Earth and Planetary …, 2020 - Elsevier
Iron-rich duricrusts (canga) that blanket iron ore deposits in tropical regions in Brazil have a
complex formation and evolution. The direct role of microorganisms in the biogeochemical …

Silica and iron mobilization, cave development and landscape evolution in iron formations in Brazil

AS Auler, HA Barton, B Zambelli, J Senko, CW Parker… - Geomorphology, 2022 - Elsevier
Iron formations display some of the oldest and most enigmatic landforms on Earth, presently
restricted to few areas of the planet. The original rock, the Banded Iron Formation (BIF) was …

Subterranean fauna associated with mesovoid shallow substratum in canga formations from southeastern Brazil: invertebrate biodiversity of a highly threatened …

LMSM Dornellas, PG da Silva, AS Auler, DC Culver… - Scientific Reports, 2024 - nature.com
Iron Formations (IF) are threatened by mining, particularly the Mesovoid Shallow Substratum
(MSS), an understudied subterranean environment. We evaluate the spatiotemporal …

Enhanced terrestrial Fe (II) mobilization identified through a novel mechanism of microbially driven cave formation in Fe (III)-rich rocks

CW Parker, JM Senko, AS Auler, ID Sasowsky… - Scientific reports, 2022 - nature.com
Most cave formation requires mass separation from a host rock in a process that operates
outward from permeable pathways to create the cave void. Given the poor solubility of Fe (III) …

A hydrogeological conceptual model for the groundwater dynamics in the ferricretes of Capão Xavier, Iron Quadrangle, Southeastern Brazil

JC dos Santos Dias, LAP Bacellar - Catena, 2021 - Elsevier
Abstract In the Iron Quadrangle (IQ), southeastern Brazil, ferricretes usually overlie the
banded iron formations (BIFs) of the Cauê Formation, rocks that not only host the most …

The role of plants in ironstone evolution: iron and aluminium cycling in the rhizosphere

A Paz, EJ Gagen, A Levett, MWM Jones… - Science of the Total …, 2024 - Elsevier
The Carajás plateaus in Brazil host endemic epilithic vegetation (“campo rupestre”) on top of
ironstone duricrusts, known as canga. This capping rock is primarily composed of iron (III) …

Enhancing iron biogeochemical cycling for canga ecosystem restoration: insights from microbial stimuli

RSS da Silva, AF Cardoso, RS Angelica… - Frontiers in …, 2024 - frontiersin.org
Introduction The microbial-induced restoration of ferruginous crusts (canga), which partially
cover iron deposits and host unique ecosystems, is a promising alternative for reducing the …