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

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

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/

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.uvm.edu/~geology/geowww/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

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/

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/