High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications
High-resolution X-ray Computed Tomography (HRXCT) or micro-CT (μCT) is a frequently
used non-destructive 3D imaging and analysis technique for the investigation of internal …
used non-destructive 3D imaging and analysis technique for the investigation of internal …
Calcium sulfate precipitation pathways in natural and engineered environments
AES Van Driessche, TM Stawski, M Kellermeier - Chemical Geology, 2019 - Elsevier
The solution-mediated formation of calcium sulfate minerals, ie gypsum, anhydrite and
bassanite, is a common process in both natural and engineered settings. It plays a key role …
bassanite, is a common process in both natural and engineered settings. It plays a key role …
Twenty years of XRF core scanning marine sediments: what do geochemical proxies tell us?
RG Rothwell, I Croudace - Micro-XRF Studies of Sediment Cores …, 2015 - Springer
XRF core scanners, with their rapid and non-destructive analytical capability, have now
been used for two decades in the analysis of marine sediments. Initially they were used to …
been used for two decades in the analysis of marine sediments. Initially they were used to …
Three-dimensional analysis of high-resolution X-ray computed tomography data with Morpho+
L Brabant, J Vlassenbroeck, Y De Witte… - Microscopy and …, 2011 - cambridge.org
Three-dimensional (3D) analysis is an essential tool to obtain quantitative results from 3D
datasets. Considerable progress has been made in 3D imaging techniques, resulting in a …
datasets. Considerable progress has been made in 3D imaging techniques, resulting in a …
Sulfur and oxygen isotope fractionation during sulfate reduction coupled to anaerobic oxidation of methane is dependent on methane concentration
C Deusner, T Holler, GL Arnold, SM Bernasconi… - Earth and Planetary …, 2014 - Elsevier
Isotope signatures of sulfur compounds are key tools for studying sulfur cycling in the
modern environment and throughout earth's history. However, for meaningful interpretations …
modern environment and throughout earth's history. However, for meaningful interpretations …
Winchcombe: An example of rapid terrestrial alteration of a CM chondrite
Winchcombe is a CM chondrite that fell in England on February 28, 2021. Its rapid retrieval
was well characterized. Within two polished sections of Winchcombe, terrestrial phases …
was well characterized. Within two polished sections of Winchcombe, terrestrial phases …
Stable isotope patterns of coexisting pyrite and gypsum indicating variable methane flow at a seep site of the Shenhu area, South China Sea
Aggregates of authigenic pyrite and gypsum were found at site HS373 in the Shenhu
seepage area, South China Sea. Most of the pyrite occurs as tubes consisting of framboids …
seepage area, South China Sea. Most of the pyrite occurs as tubes consisting of framboids …
Aggradation and carbonate accumulation of Holocene Norwegian cold‐water coral reefs
Cold‐water coral ecosystems present common carbonate factories along the Atlantic
continental margins, where they can form large reef structures. There is increasing …
continental margins, where they can form large reef structures. There is increasing …
Formation mechanism of authigenic gypsum in marine methane hydrate settings: Evidence from the northern South China Sea
Q Lin, J Wang, TJ Algeo, P Su, G Hu - Deep Sea Research Part I …, 2016 - Elsevier
During the last decade, gypsum has been discovered widely in marine methane hydrate-
bearing sediments. However, whether this gypsum is an in-situ authigenic precipitate …
bearing sediments. However, whether this gypsum is an in-situ authigenic precipitate …
3.5-Ga hydrothermal fields and diamictites in the Barberton Greenstone Belt—Paleoarchean crust in cold environments
MJ De Wit, H Furnes - Science advances, 2016 - science.org
Estimates of ocean temperatures on Earth 3.5 billion years ago (Ga) range between 26° and
85° C. We present new data from 3.47-to 3.43-Ga volcanic rocks and cherts in South Africa …
85° C. We present new data from 3.47-to 3.43-Ga volcanic rocks and cherts in South Africa …