GMS, Inc. provides sample preparation, analysis, economic-geologic consultation, and field services for evaluation of placer heavy-mineral resources exploitation programs. Our accelerated sample turnaround, definitive professional expertise, and over 37 years of pioneering work with detrital heavy-mineral resources enable GMS to provide unparalleled service and accurate, reliable information in a highly competitive timeframe.

With over 130 definitive scientific publications on composition, grade, and economic geology of occurrences, prospects, and deposits of heavy minerals in the conterminous US, Alaska, the Hawai'ian Islands, the Commonwealth of Mariannas, Africa, Europe, Latin America, southeast Asia, and the United States Exclusive Economic Zone,  our experience and enthusiasm for the work is evidenced on a global scale.