ISOGEOCHEM
- Information about the e-mail discussion list for stable isotope geochemistry. Includes many isotope-related links including available positions, research laboratories, short course and workshop listings, and a searchable message archive.
- http://www.eeb.cornell.edu/isogeochem/

Biogeosciences
- Information, discussion, and resources to help fulfill the scientific need to bridge the earth and life sciences.
- http://www.biogeosciences.org/

Archives of ISOGEOCHEM
- Searchable archives of the e-mail group for stable isotope geochemistry.
- http://list.uvm.edu/archives/isogeochem.html

Martian Geochemistry
- Summarizes the geochemical results obtained by NASA's Mars Pathfinder mission. Includes plots of geochemical trends, and comparisons with earlier Viking mission data as well as with Earth geochemistry.
- http://mars.jpl.nasa.gov/MPF/science/mineralogy.html

The Geochemistry Portal
- Organized collection of links, including news, organizations, universities, laboratories, publications, and databases. Has search and ability to submit links for inclusion.
- http://www.geochemistry.com/

Stable Isotopes and Mineral Resource Investigations
- An information hand-out from the US Geological Survey, introducing the topic of stable isotopes and providing some examples of their use in determining the origins of mineral deposits in the United States.
- http://pubs.usgs.gov/info-handout/seal2/

Fluid Inclusions
- Primarily a directory to fluid inclusion-related resources. Links are provided for old and upcoming meetings and short courses, a few organizations, and some archived forums on research issues.
- http://www.geology.wisc.edu/~pbrown/fi.html

Geotech.org - Geology and Geochemistry
- Educational site for those interested in learning about surface exploration techniques used for oil and gas. Includes images, analogs, bibliographies, and services.
- http://www.geotech.org/