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Related Experiment Video

Updated: Apr 5, 2026

$Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction$

Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction

Published on: May 20, 2018

Clast rind analysis using multi-high resolution instrumentation.

W C Mahaney¹, D H Krinsley², Josh Razink³

¹Quaternary Surveys, Thornhill, Ontario, Canada.

|August 15, 2015

Summary

This summary is machine-generated.

Clast weathering rinds offer rich paleoenvironmental data. Advanced 3D analysis reveals detailed mineral and biotic interactions, improving glacial deposit dating and weathering studies.

Keywords:

chemical archive in rinds glacial sequences multi-high resolution analysis of weathering rinds

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Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

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Last Updated: Apr 5, 2026

$Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction$

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Published on: May 20, 2018

Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

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Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

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Published on: August 5, 2016

Area of Science:

Geosciences
Paleoclimatology
Geochemistry

Background:

Clast weathering rinds provide relative ages for terrestrial deposits, particularly in glacial sequences.
Previous research focused on weathering rates and composition using microscopy and isotopes in non-glacial settings.
Rinds contain extensive paleoenvironmental data from atmospheric and biospheric elements.

Purpose of the Study:

To analyze the paleoenvironmental data within clast weathering rinds.
To investigate the role of biochemical products in rind formation and mineral alteration.
To demonstrate advanced analytical techniques for 3D rind analysis.

Main Methods:

Analysis of clast rinds from diverse climatic zones (tropical, mid-latitude, polar).
Microscopic techniques including Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM/EDS).
Advanced nanospaced layer analysis using Focused Ion Beam (FIB) and Transmission Electron Microscopy/Scanning Transmission Electron Microscopy with Energy Dispersive X-ray Spectroscopy (TEM/STEM/EDX).

Main Results:

Clast rinds contain significant organic and inorganic paleoenvironmental information.
Biochemical products within rinds influence redox potentials, affecting oxide, hydroxide, and biomineral formation.
3D analysis using FIB and TEM/STEM/EDX provides unprecedented detail on mineral-biotic interactions within rinds.

Conclusions:

Clast weathering rinds are archives of paleoenvironmental data.
Advanced 3D analytical techniques significantly enhance understanding of rind composition and formation.
This approach improves the dating of glacial deposits and the study of weathering processes.