Science, Maths & Technology
An introduction to minerals and rocks under the microscope
...LA-ICP-MS) and the ion microprobe (IMP). The electron microprobe technique involves directing a focused electron beam at a polished surface of a mineral grain. X-rays that are specific for each constituent element are emitted from the mineral. By measuring the intensity of the X-rays that characterise different elements, the major and minor element composition of 'spots'...