Cannon Microprobe

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Bart Cannon is chief analyst at Cannon Microprobe, a materials characterization laboratory in Seattle, Washington. Beginning in 1984 he has been responsible for the operation, maintenance and technology innovation for the laboratory's analytical instruments. These instruments include an ARL SEMQ electron microprobe, a Cambridge S-250 scanning electron microscope and a modernized G.E. XRD-6 x-ray diffractometer.Mr. Cannon's specialty is the identification of natural mineral grains. He has been involved in that activity since 1962 and has achieved a worldwide reputation for contributions in the mineral sciences, including the discovery of five new minerals. One of them, “cannonite ” is named in his honor.In 1975 he authored the book "Minerals of Washington". During the intervening time he has developed a database focused upon Washington State mineralogy. This database utilizes the instrumentation which has become available following the time of publication of the first edition of “Minerals of Washington ”. The database will be the basis for the second edition of “Minerals of Washington ” which is in preparation for printing.Cannon ’s academic and professional experience in the earth, botanical, materials and soil sciences has furnished him with a broad base of scientific understanding which combines with his instrumentation skills to provide his customers with competent analytical services in a wide range of applications.The majority of his laboratory's customers are large mining companies, government agencies and major environmental consulting firms. Most of the lab's activities relate to ore mineralogy, extractive metallurgy, and toxic materials characterization for the mining and the environmental remediation industries.Mr. Cannon has customized his principal instrument, an ARL SEMQ electron microprobe, for high sample throughput. Six real-time audio rate meters provide a Geiger counter like response for any six elements to which the SEMQ ’s wavelength sprectrometers are tuned to. The instrument configuration is tailored for the mining industry's demands, but is also well suited for analytical schemes required in the environmental, forensic and materials analysis fields.Mr. Cannon excels in devising effective and novel methods of sample preparation. Successful sample preparation is often the single most important step in obtaining useful analytical information. His instrumentation innovations for microanalysis include the development of fiber optic coupled YAG Ce++ electron scintillators for full television rate scanning electron microscope image acquisition. He is also the inventor of the "Microscope Marker-Drill" which enables light microscope grain marking, sample coring and grain drilling.

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