Geology
Elemental & Mineral Analysis
- Mineral analysis and elemental with micro-XRF
- Element distribution analysis of geological samples using micro-XRF
- Element mapping of geological thin sections using micro-XRF
- Elemental analysis of large geological samples using micro-XRF
- Trace element analysis of geological materials with WDXRF – more details
- Observe crystal structure orientation with SEM-based cathodoluminescence – experiment brief
- APT (Atom Probe Tomography) and SIMS applications in geology – more info
- Qualitative and quantitative mineralogy with XRD – more info
- Studying Crystal Orientation in Geology with Cathodoluminescence Polarisation-Filtered Spectrum Imaging – more info…
- Structural and chemical analysis with Raman spectroscopy
- Measuring hydrogen in meteorites with APT – case study
- Mineral identification with Raman spectroscopy
- Studying Graphitisation and Graphite Crystallinity with Raman Spectroscopy (case study from GTK, Finland)
- Iron ore grade control with WDXRF
Multi-Element and Trace Analysis
- TXRF instruments
- Analysing elemental distribution on Rocks with XRF (with coltan as an example)
- Papers (registration/purchase required):
- Applicability of direct total reflection X-ray fluorescence spectrometry for multielement analysis of geological and environmental objects
- Chemical changes in fluid composition due to CO2 injection in the Altmark gas field: preliminary results from batch experiments
- Determination of Rb, Sr, Cs, Ba, and Pb in K-feldspars in small sample amounts by total reflection X-ray fluorescence
- Removal of transition metals from rare earths by solvent extraction with an undiluted phosphonium ionic liquid: separations relevant to rare-earth magnet recycling
- The volatile inventory (F, Cl, Br, S, C) of magmatic apatite: An integrated analytical approach
- Weathering of cobalt arsenides: Natural assemblages and calculated stability relations among secondary Ca-Mg-Co arsenates and carbonates
- Papers (available free online):
- SEM-based cathodoluminescence – reveal hidden information
3D Internal Imaging
- Overview of micro-CT applications in geology and geoscience – Article
- Porosity
- Micro-structure
- Composition
- Benchtop micro-CT scanner for large, heavy objects eg drill cores: Bruker SkyScan 1273
- Webinar: Micro-CT in geosciences – Watch a recording
- Dynamic process imaging using 4D micro-CT eg weathering, movement of fluids, crystallisation – Article
- How to select complex ROIs – Article
- How to measure individual grains/particles – Article
SEM-Based Cathodoluminescence
Colour CL imaging can reveal geochemical processes – more details…
