Glendonites throughout the Phanerozoic

M Rogov, V Ershova, C Gaina, O Vereshchagin… - Earth-Science …, 2023 - Elsevier
Ikaite is a metastable calcium carbonate hexahydrate (CaCO3· 6H2O), which naturally
occurs in environments characterized by temperatures of− 2 to+ 7° C. It is therefore …

The minerals ikaite and its pseudomorph glendonite: Historical perspective and legacies of Douglas Shearman and Alec K. Smith

B Schultz, N Thibault, J Huggett - Proceedings of the Geologists' …, 2022 - Elsevier
This paper presents a historical perspective of the discovery of, and aspects of, glendonite
and ikaite, through the legacy of British mineralogists Douglas Shearman and Alec K. Smith …

[HTML][HTML] In-situ Raman spectroscopy of amorphous calcium phosphate to crystalline hydroxyapatite transformation

JA Stammeier, B Purgstaller, D Hippler, V Mavromatis… - MethodsX, 2018 - Elsevier
Amorphous calcium phosphate (Ca 3 (PO 4) 2 xnH 2 O; n?=? 3–4.5; ACP) is a precursor
phase of the mineral hydroxyapatite (Ca 5 (PO 4) 3 (OH); HAP) that in natural settings occurs …

[HTML][HTML] The ikaite to calcite transformation: Implications for palaeoclimate studies

ML Vickers, M Vickers, REM Rickaby, H Wu… - … et Cosmochimica Acta, 2022 - Elsevier
Marine sedimentary ikaite is the parent mineral to glendonite, stellate pseudomorphs found
throughout the geological record which are most usually composed of calcite. Ikaite is …

Database of global glendonite and ikaite records throughout the Phanerozoic

M Rogov, V Ershova, O Vereshchagin… - Earth System …, 2020 - essd.copernicus.org
This database of Phanerozoic occurrences and isotopic characteristics of metastable cold-
water calcium carbonate hexahydrate (ikaite; CaCO 3· 6H 2 O) and their associated …

Zinc isotope fractionation during the inorganic precipitation of calcite–Towards a new pH proxy

V Mavromatis, AG González, M Dietzel… - … et Cosmochimica Acta, 2019 - Elsevier
Zinc was co-precipitated with calcite in mixed-flow reactors at 25° C and 6.1≤ pH≤ 8.5 to
quantify Zn isotope fractionation between calcite and the reactive fluid. The results suggest …

Removal of barium, cobalt, strontium, and zinc from solution by natural and synthetic allophane adsorbents

A Baldermann, AC Grießbacher, C Baldermann… - Geosciences, 2018 - mdpi.com
The capacity and mechanism of the adsorption of aqueous barium (Ba), cobalt (Co),
strontium (Sr), and zinc (Zn) by Ecuadorian (NatAllo) and synthetic (SynAllo-1 and SynAllo …

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 …

Glaciations at high-latitude Southern Australia during the Early Cretaceous

NF Alley, SB Hore, LA Frakes - Australian Journal of Earth …, 2020 - Taylor & Francis
Stratigraphic investigations, supported by palynological dating, detrital zircon and monazite
dating, and quartz grain micromorphology were undertaken of the Early Cretaceous strata …

Removal of heavy metals (Co, Cr, and Zn) during calcium–aluminium–silicate–hydrate and trioctahedral smectite formation

A Baldermann, A Landler, F Mittermayr… - Journal of Materials …, 2019 - Springer
Hydrated aluminosilicates were synthesized with and without aqueous heavy metals (Me),
such as cobalt (Co), chromium (Cr), and zinc (Zn), by a sol–gel process at different initial …