Facilities Inorganic Geochemistry Dionex DX500 ion chromatograph Beckman Plasma spectrometer MAT 250 Mass spectrometer for isotopic analysis of oxygen and carbon Oxygen isotope preparation Organic Geochemistry Lab Varian 2100T gas chromatograph/mass spectrophotometer (GC/MS) HP 5890 GC ISCO HPLC Fume hood High speed centrifuge Refrigerator/Incubator pH/ion meter, dissolved oxygen meter, conducitivity meter Water baths Geomicrobiology Lab Equipment PCR Thermocycler and electrophoresis system Microcentrifuge Autoclave Kodak EDAS290 Gel Documentation System Biological control hood -80°C Freezer