THE CHARACTERISTICS OF NATURAL GAMMA-RAY LOGGING CURVE IN ACID VOLCANO-SEDIMENTARY CLAYROCK

The present status of natura gamma-ray logging techniques and data application is simply introduced. with the emphasize of geochemistry and the natural gamma-ray curve characleristics of radioactive elements and ⁴⁰k in acid volcanic-rubbish sedimentary clayrock,in additional,it simply relates to the geological meaning of natural gamma-ray logging data.