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Wood from regular timbering of a shallow seated mine in Tuscany gave 14C ages of 5730 ± 100 years BP, much too old to be attributed to one of the known civilizations of Italy. This mine is located in… Continue Reading
Several kilometers from Vannes (Morbihan) a sharp variation in activily of a granite mass was found with two bands several hundred meters in length and 3 or 4 meters wide. The bands join forming a Y… Continue Reading
Methods of determining the age of the earth are compared briefly, and the radiometric method is then treated in detail. The various radiogeochronologic methods described are: total Pb, Pb- alpha , Pb… Continue Reading
The radon content of 344 cold waters of different regions of france was measured using an automobile laboratory. The very high percentages found were over the usually accepted tolerance dose.… Continue Reading