They are recognized by a specific set of mineralogical, geochemical, textural, and isotopic characteristics. It becomes peat in good geochemical, sedimentary and tectonic conditions. This collision could potentially explain the unique geological and geochemical properties of the Moon. Stable and radioactive isotope studies provide insight into the geochemical evolution of rock units. The SHRIMP is primarily used for geological and geochemical applications. Other soil tests may be done for engineering (geotechnical), geochemical or ecological investigations. This is also considered water, in the geotechnical, geochemical, and astronomical usages. Although 25 isotopes are known for sulfur, only four are stable and of geochemical importance. Chemical analysis of the volcano demonstrated deformative changes and geochemical alterations. The findings also pointed to powerful biological and geochemical feedbacks. Such geochemical analysis can help with climate modeling. Her research led to many of the protocols used in today's geochemical mapping projects worldwide. This is helped by geochemical exchange between the seamounts and the ocean water. The addition of melted crust changes the geochemical composition. This is a crucial factor in acidity and alkalinity and much environmental and geochemical work.