Check out this geochemistry portal that lists organizations, laboratories, publications, museums, and related geoscience databases. Add a link.
Repository of geology and geochemistry information includes images, analogs, methods, and bibliographies. With info on basic geology and mineralogy.
US Geological Survey presents this November 1999 Information Handout that gives an introduction to stable isotopes and mineral deposits in the United States.
Serves those interested in the properties, behaviors, and origins of fluid inclusions in natural and synthetic materials. Find a mailing list, discussions, and events.