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Method and apparatus usable for mining and mineral exploration

A device, mineral technology, applied in the field of mineralogy analysis

Inactive Publication Date: 2012-08-22
LYNXRAIL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These techniques are not widely used in mining operations (e.g. in blastholes and exploratory holes) because, for example, no single nuclear technique is useful enough in isolation (e.g., no known common and related ore estimation issues)

Method used

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  • Method and apparatus usable for mining and mineral exploration
  • Method and apparatus usable for mining and mineral exploration
  • Method and apparatus usable for mining and mineral exploration

Examples

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Embodiment Construction

[0073] In various exemplary embodiments, the present invention relates to a method and apparatus for mineral analysis and exploration that employs both the NQR phenomenon and the NMR phenomenon to detect the presence or absence of nuclei containing quadrupole nuclei and nuclei with magnetic moments in a sample One or more targeting (eg, desired) substances and, if present, measuring the concentration of the targeting substances.

[0074] Exemplary embodiments of the invention will now be described with respect to an apparatus based on mineral analysis and exploration using both "pure NQR" and NMR in a localized magnetic field. It should be appreciated, however, that the various exemplary embodiments of the apparatus and methods according to the present invention may be used for other purposes. Furthermore, various exemplary embodiments have advantages over currently used radionuclear techniques.

[0075] figure 1 is a block diagram illustrating an apparatus for mineral analy...

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PUM

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Abstract

A method for mineral analysis of a sample based on detection of NQR and / or NMR signals from a particular substance within a sample includes; setting a frequency of RF pulses to be approximately equal to one of the NQR or NMR frequencies of the substance; setting a set of parameters of the RF pulses to be optimal for the substance; setting a set of receiving parameters to be optimal for the substance; tuning the probe to maximum sensitivity for the signal detected at predetermined frequency and / or to maximum power transfer efficiency for RF pulses transmitted with the probe; transmitting the RF pulses with the probe at said optimal level during a transmitting period to irradiate the sample and excite an NQR or NMR signal in the substance, if present; detecting and processing NQR or NMR signals emitted by the substance; and calculating the concentration of the substance in the sample.

Description

[0001] This application claims priority to US Provisional Application No. 61 / 228798, filed July 27, 2009, which is hereby incorporated by reference in its entirety. technical field [0002] The present invention relates to a method and apparatus for mineralogy analysis. The present invention more particularly relates to a method and apparatus for ore grade estimation. Background technique [0003] Different active nuclear techniques have been widely used to generate information about the chemical composition of rocks and ores under laboratory conditions. These techniques include gamma-ray spectroscopy, X-ray fluorescence (XRF), and neutron activation. These techniques are not widely used in mining operations (e.g. in blastholes and exploratory holes) because, for example, no single nuclear technique is useful enough in isolation (e.g., no known common and related ore estimation issues). [0004] Known neutron activation (eg neutron gamma rays) methods can be used to measu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/00
CPCG01N24/08G01N24/081G01R33/3808G01R33/441G01V3/32
Inventor T·鲁达科夫
Owner LYNXRAIL CORP
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