Lateritization and enrichment of ferruginous protore during the peneplanation between uplifts – the case of Mekaneselam iron deposit, NW Ethiopian plateau

Autor: Belayneh Digafe, Worash Getaneh, Balemwal Atnafu

Publikováno v: Geology, Ecology, and Landscapes, Pp 1-17 (2024)

Mekaneselam iron deposit is located in the NW Ethiopian Plateau. The area is constituted by limestone at the bottom followed by mudstone, sandstone and basalt at the top. Geological mapping, geochemical, mineralogical and stratigraphic investigations

Externí odkaz: https://doaj.org/article/210660364f2a43a1907b6c73e2d62ae6

Genesis of the 'soft' iron ore at S11D Deposit, in Carajás, Amazon Region, Brazil

Autor: Marcondes Lima da Costa, Aline Cristina Sousa da Silva

Publikováno v: Brazilian Journal of Geology, Vol 50, Iss 1
Brazilian Journal of Geology v.50 n.1 2020
Brazilian Journal of Geology
Sociedade Brasileira de Geologia (SBGEO)
instacron:SBGEO

The origin of the soft ore at the S11D iron mine in Carajás was investigated using 20 samples from a diamond drill hole. The methods of analyses were X-ray diffraction (XRD), optical microscopy, whole-rock chemistry, and scanning electron microscope

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb4c6995266cc276e870bb9abab9c2f8
https://doi.org/10.1590/2317-4889202020180128

VOLCANIC – SEDIMENTARY METAL DEPOSITION IN PALEOMARGIN ENVIRONMENT: A ' PROTORE ' OCCURRENCE IN CENTRAL SARDINIA (ITALY)

Autor: Paolo Valera, S. Pretti, S. Fadda, M. Fiori

Publikováno v: Δελτίο της Ελληνικής Γεωλογικής Εταιρείας; Τόμ. 43 Αρ. 5 (2010): 12o Διεθνές Συνέδριο της Ελληνικής Γεωλογικής Εταιρίας; 2446-2454
Bulletin of the Geological Society of Greece; Vol. 43 No. 5 (2010): 12th International Conference of the G.S.G.; 2446-2454

Several metallogenic periods took place at different moments of the geological evolution of Sardinia, but at places they interacted: the close correlation between the metal parageneses in the Ordovician – Silurian sequences, outcropping in the cent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::360b3d8e7004a753b29ac1aefd5c4abf
https://doi.org/10.12681/bgsg.11646

Volcanic - Sedimentary Metal Deposition in Paleomargin Environment: the 'Protore' of Castello Medusa, Central Sardinia (Italy)

Autor: Fadda S.1, Fiori M.1, Pretti S.2, Valera P.2

Publikováno v: Deltio tis Ellinikis Geologikis Etaireias XLIII (2010): 2446–2454.
info:cnr-pdr/source/autori:Fadda S.1; Fiori M.1; Pretti S.2; Valera P.2/titolo:Volcanic-Sedimentary Metal Deposition in Paleomargin Environment: the "Protore" of Castello Medusa, Central Sardinia (Italy)/doi:/rivista:Deltio tis Ellinikis Geologikis Etaireias/anno:2010/pagina_da:2446/pagina_a:2454/intervallo_pagine:2446–2454/volume:XLIII

Several metallogenic periods took place at different moments of the geological evolution of Sardinia, but at places they interacted: the close correlation between the metal parageneses in the Ordovician - Silurian sequences, outcropping in the centra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::d01206310522b1d186280663d73030ea
http://www.cnr.it/prodotto/i/63622

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