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 progressive co-evolutionary development of the Pan-Tibetan highlands, the Asian Monsoon system and Asian Biodiversity

RA Spicer, A Farnsworth, T Su, L Ding… - Geological Society …, 2025 - lyellcollection.org
Within the ongoing controversy regarding the orogeny of the Tibetan Plateau region, two
directly conflicting endmember frameworks have emerged in which either:(1) a high central …

Glendonite-bearing concretions from the upper Pliensbachian (Lower Jurassic) of South Germany: indicators for a massive cooling in the European epicontinental sea

A Merkel, A Munnecke - Facies, 2023 - Springer
Abstract The Pliensbachian–Toarcian transition was characterised by a drastic turnover from
a cool climate to a period of rapid global warming. While the warming associated with the …

Paleocene–Eocene age glendonites from the Mid-Norwegian Margin–indicators of cold snaps in the hothouse?

ML Vickers, MT Jones, J Longman, D Evans… - Climate of the …, 2024 - cp.copernicus.org
The International Ocean Discovery Program (IODP) Expedition 396 to the mid-Norwegian
margin recovered> 1300 m of pristinely preserved, volcanic-ash-rich sediments deposited …

Eocene–Oligocene glaciation on a high central Tibetan Plateau

G **a, C Wu, A Mansour, X **, H Yi, G Li… - …, 2023 - pubs.geoscienceworld.org
The nature of glaciation (bipolar vs. unipolar) during the Eocene–Oligocene transition (EOT)
remains unresolved. Here, we report the occurrence of frost marks, ice-rafted debris (IRD) …

Insights into the amorphous calcium carbonate (ACC)→ ikaite→ calcite transformations

A Lázár, Z Molnár, A Demény, L Kótai, L Trif… - …, 2023 - pubs.rsc.org
Amorphous calcium carbonate (ACC) is a precursor material that plays a key role in
polymorph selection and crystallization of carbonates. It is involved in the formation of the …

Links between ikaite morphology, recrystallised ikaite petrography and glendonite pseudomorphs determined from polar and deep-sea ikaite

BP Schultz, J Huggett, CV Ullmann, H Kassens… - Minerals, 2023 - mdpi.com
Petrography of recrystallised ikaite from Ocean Drilling Program material has been
presented previously from Nankai Trough and Congo (ex-Zaire) deep-sea fan. This paper …

[HTML][HTML] The mechanisms and stable isotope effects of transforming hydrated carbonate into calcite pseudomorphs

EL Scheller, M Ingalls, JM Eiler, JP Grotzinger… - … et Cosmochimica Acta, 2023 - Elsevier
Abstract Ikaite (CaCO 3· 6H 2 O) and monohydrocalcite (CaCO 3· H 2 O; MHC) are hydrated
carbonates that form at frigid (< 9° C) temperatures. During gradual heating and …

Calcium carbonate hexahydrate (ikaite): History of mineral formation as recorded by stable isotopes

MJ Whiticar, E Suess, G Wefer, PJ Müller - Minerals, 2022 - mdpi.com
Calcium carbonate hexahydrate (ikaite) is a rare mineral that forms as metastable species in
the organic-carbon-rich sediments of the King George Basin, Bransfield Strait, Antarctica, as …

Insights into glendonite formation from the upper Oligocene Sagavanirktok Formation, North Slope, Alaska, USA

JW Counts, ML Vickers, MR Stokes… - Journal of …, 2024 - pubs.geoscienceworld.org
The type locality for the upper Oligocene Nuwok Member of the Sagavanirktok Formation
(Carter Creek, North Slope, Alaska, USA) contains an abundant occurrence of glendonite, a …