Glaucony authigenesis, maturity and alteration in the Weddell Sea: An indicator of paleoenvironmental conditions before the onset of Antarctic glaciation

A López-Quirós, C Escutia, A Sánchez-Navas… - Scientific reports, 2019 - nature.com
Three types of glaucony grains were identified in the late Eocene (~ 35.5–34.1 Ma)
sediments from Ocean Drilling Program (ODP) Hole 696B in the northwestern Weddell Sea …

Revisiting glauconite geochronology: Lessons learned from in situ radiometric dating of a glauconite-rich Cretaceous Shelfal sequence

E Scheiblhofer, U Moser, S Lӧhr, M Wilmsen, J Farkaš… - Minerals, 2022 - mdpi.com
The scarcity of well-preserved and directly dateable sedimentary sequences is a major
impediment to inferring the Earth's paleo-environmental evolution. The authigenic mineral …

The role of Fe on the formation and diagenesis of interstratified glauconite-smectite and illite-smectite: A case study of Upper Cretaceous shallow-water carbonates

A Baldermann, M Dietzel, V Mavromatis, F Mittermayr… - Chemical …, 2017 - Elsevier
The widespread formation of interstratified glauconite-smectite (Gl-S) and illite-smectite (IS)
in modern and ancient diagenetic settings records the physicochemical conditions …

Global and local factors behind the authigenesis of Fe-silicates (Glauconite/Chamosite) in Miocene strata of Northern Tunisia

A Tounekti, K Boukhalfa, TR Choudhury… - Journal of African Earth …, 2021 - Elsevier
The exceptionally glauconite-rich Miocene strata, superbly exposed throughout the front of
the nappes zone of northern Tunisia, show marked contrast in Fe-silicate authigenesis …

[HTML][HTML] Combined mineral and geoheritage resources related to kaolin, phosphate, and cement production in Egypt: Conceptualization, assessment, and policy …

DA Ruban, G Tiess, ES Sallam, AA Ponedelnik… - Sustainable …, 2018 - Elsevier
Societal and environmental importance of geological resources has to be fully considered,
as well as their relevance to national heritage conservation, tourism development, etc …

[HTML][HTML] Heat-induced alteration of glauconitic minerals in the Middle Stone Age levels of Blombos Cave, South Africa: Implications for evaluating site structure and …

MM Haaland, DE Friesem, CE Miller… - Journal of …, 2017 - Elsevier
In this paper we conduct geochemical and colourimetric measurements of glauconite grains
in micromorphological thin sections from the Middle Stone Age site of Blombos Cave, South …

Geochemical evaluation of glauconite carbonation during sedimentary diagenesis

Q Zhang, BM Tutolo - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Glauconite is an authigenic, iron-rich clay mineral that is abundant in greensands formations
worldwide. Evidence from these formations suggests that glauconite is commonly …

Formation of iron oxyhydroxides as a result of glauconite weathering in soils of temperate climate

M Makiel, M Skiba, M Kisiel, K Maj-Szeliga… - Geoderma, 2022 - Elsevier
The aim of this study was to investigate glauconite weathering in soils of temperate climate,
with special attention paid to formation of iron oxyhydroxides at the expense of the …

High mg-glauconite in the Campanian Duwi formation of Abu Tartur plateau, Egypt and its implications

S Banerjee, S Farouk, E Nagm, TR Choudhury… - Journal of African Earth …, 2019 - Elsevier
This study presents a detailed crystallo-chemical characterization of glauconites occurring at
different stratigraphic intervals within the phosphorite-bearing Campanian Duwi Formation …

Mineralogy and geochemistry of the Main Glauconite Bed in the middle Eocene of Texas: paleoenvironmental implications for the verdine facies

SC Harding, BP Nash, EU Petersen, AA Ekdale… - PloS one, 2014 - journals.plos.org
The Main Glauconite Bed (MGB) is a pelleted greensand located at Stone City Bluff on the
south bank of the Brazos River in Burleson County, Texas. It was deposited during the …