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Title: Borehole neutron activation: The rare earths

Neutron-induced borehole gamma-ray spectroscopy has been widely used as a geophysical exploration technique by the petroleum industry, but its use for mineral exploration is not as common. Nuclear methods offer the mining geologist techniques for mineral exploration, for determining stratigraphy and bed correlations, for mapping ore deposits, and for studying mineral concentration gradients. High-resolution detectors are essential for mineral exploration, and by using them as analysis of the major element concentrations in a borehole can usually be made. A number of economically important elements can be detected at typical ore-grade concentrations using this method. Because of the new application of the rare-earth elements to high-temperature superconductors, these elements are examined in detail as an example of how nuclear techniques can assist the mining geologist.
Authors:
;
Publication Date:
OSTI Identifier:
7181737
Report Number(s):
CONF-871006-
Journal ID: CODEN: IETNA
Resource Type:
Conference
Resource Relation:
Journal Name: IEEE Trans. Nucl. Sci.; (United States); Journal Volume: 35:1; Conference: 34. nuclear science symposium and 19. nuclear power systems symposium, San Francisco, CA, USA, 21 Oct 1987
Research Org:
U.S. Geological Survey, Reston, VA (US)
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; PETROLEUM DEPOSITS; RADIOACTIVITY LOGGING; RARE EARTHS; ACTIVATION ANALYSIS; EXPLORATION; GAMMA SPECTROSCOPY; GEOPHYSICS; NEUTRON REACTIONS; RADIATION DETECTORS; STRATIGRAPHY; BARYON REACTIONS; CHEMICAL ANALYSIS; ELEMENTS; GEOLOGIC DEPOSITS; GEOLOGY; HADRON REACTIONS; MEASURING INSTRUMENTS; METALS; MINERAL RESOURCES; NUCLEAR REACTIONS; NUCLEON REACTIONS; RESOURCES; SPECTROSCOPY; WELL LOGGING 020200* -- Petroleum-- Reserves, Geology, & Exploration; 400102 -- Chemical & Spectral Procedures