Castaing introduced in 1951 the electronic microprobe.
Coes invented in 1953 a special high pressure device insuring a solid-medium confinement of mineral to study the behaviour of minerals under conditions of high pressure and high temperature.
Kullerud introduced in 1953 the use of the FeS-ZnS geothermometer.
Richardson and al. discovered in 1984 diamonds the age of which is more than 3 billion years in a kimberlite.
Sharp developed circa 1990 an analytical technique for the specific determination of the isotopic ratio O18/ O16 in silicate grains and oxides in rocks. This technique is based on the laser pulverisation of the analysed sample.