Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) is a powerful analytical technique used for elemental and isotopic analysis of solid samples. It involves the use of a laser to ablate a small portion of the sample, which is then vaporized and ionized in an inductively coupled plasma source. The resulting ions are then analyzed by a mass spectrometer, allowing for precise and sensitive measurement of trace elements in a wide range of materials. LA-ICP-MS is commonly used in geology, environmental science, archaeology, and other fields to study elemental composition, trace element distribution, and isotope ratios in various samples.