Reducing noise in uranium exploration

Patent · Tue Dec 13 00:00:00 EST 1977

OSTI ID:5162392

Fleischer, R L

A method and apparatus are described for reducing or removing the background noise caused by thoron gas (/sup 220/Rn) in uranium exploration conducted by the detection of radon gas (/sup 222/Rn) emanating from the ground. This is accomplished by the use of a number of alpha particle detectors, each of which is disposed in a protective enclosure. A barrier which permits, but deliberately retards, the passage therethrough of gases is disposed in the path to be traversed before such gases can reach the alpha particle detector. The increase in the transit time made necessary by requiring soil gases to move through the barrier should be sufficiently long to allow the decay of most of the thoron, thereby eliminating its contribution to the total signal reflected at the detector.

• Assignee: Terradex Corp.
• Patent Number(s): US 4063087
• Application Number: TRN: 78-008244
• OSTI ID: 5162392
• Resource Relation: Patent File Date: Filed date 18 Aug 1976
• Country of Publication: United States
• Language: English

Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
URANIUM DEPOSITS
EXPLORATION
ALPHA DETECTION
DECAY
DIFFUSION BARRIERS
NOISE
RADIATION DETECTORS
RADON 220
RADON 222
ALPHA DECAY RADIOISOTOPES
CHARGED PARTICLE DETECTION
DAYS LIVING RADIOISOTOPES
EVEN-EVEN NUCLEI
GEOLOGIC DEPOSITS
HEAVY NUCLEI
ISOTOPES
MEASURING INSTRUMENTS
NUCLEI
RADIATION DETECTION
RADIOISOTOPES
RADON ISOTOPES
RESOURCES
SECONDS LIVING RADIOISOTOPES
050200* - Nuclear Fuels- Exploration- (-1987)