Past, Present and Future John R. Stowell & James J. LoCoco Mount Sopris Instrument Company
Total Gamma GM-Tubes Scintillation NaI,CsI,BGO Spectral Gamma Scintillation Multi- Channel Analyzers
G-M Tubes
Schematic Diagram of Geiger-Muller Tube downhole probes historically used at Athabasca U3O8 sites.
Portable logging unit in operation at uranium mine site
Basic Total Count Gamma Tool High Voltage Power Supply & Pulse Conditioning Circuitry SP & Resistance Electrode Photo-multiplier Tube & Scintillition Crystal Combinable with other measurements, deviation, resistivity, induction, etc…..
Analog Pulse Tool Analog Gamma Pulses Real-time monitoring of analog gamma pulse tool
Modern Multi-Detector Digital Tools
Multi-Channel Spectral Gamma
Uranium Calibration Model
Uranium CPS vs. Grade
Model CPS vs. Polynomial Fit Grade
Grand Junction N5 Multi-Layer Model
Field Results-Modern Systems
Future of Uranium Logging ??