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Aqueous geochemistry laboratory
The lab currently houses a coulometric titration system with acid-extraction and total-combustion modules for determinations of total organic and inorganic C, two automated titration systems, two extraction lines for the analysis of reduced S (concentrations and isotopic compositions), a UV-visible spectrophotometer, an ion chromatograph and a Millipore water system. The lab is licensed and contains all the necessary sample preparation equipment for ³⁵S radiotracer work. The required liquid scintillation counters are available on campus. In addition to graduate and postdoctoral researchers, one to three undergraduate assistants typically staff the lab.

Through combined funds from NSF and MU, an inductively coupled plasma­optical emission spectrometer (ICP) was recently purchased for the geochemistry laboratory. This instrument—a high-end, dual-view ICP with a state-of-the-art, solid-state detector—is also equipped with an ultrasonic nebulizer, a direct-injection nebulizer and an automated sample pre-concentrator/matrix-eliminator. This combination of instrumentation optimizes the capabilities of the ICP, permitting the analysis of samples of extremely small size and with complex matrices. Most importantly, detection limits are in the low ppb range for most elements. This instrument is maintained by a 1/2-time technician with over a decade of ICP experience.

Stable Isotope Laboratory

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Geology Library >>

Geology Museum
Among the more than 100,000 specimens in the museum are: the invertebrate collections, which are rich in fossils of Devonian, Mississippian and Pennsylvanian rocks of Missouri and the midcontinent; the vertebrate collections, largely of Pleistocene mammals; the collection of conodonts, the most varied and complete of its kind in the world; the collections of fossil Charophytes, representing all known localities in North America and containing reference material from South America, Europe, Asia and Africa. The paleontologic collections of the Missouri Geological Survey also are located in the museum.

The mineral collections contain one of the most complete aggregates of materials from the famous Crestmore locality in California, many of them in crystal form; one of the finest collections of boron minerals in this country, a fine set of garnets, and many excellent crystals from the lead and zinc mines of southwest and southeast Missouri.

More than 1,800 species are represented in the Dana Collection. The DeMuth Collection contains fine specimens of polished fossil woods. For more information call (573) 882-6785.

Department of Geological Sciences
College of Arts and Science
University of Missouri-Columbia