Hf isotope analysis method and system for rich Hf mineral or rock

An analysis method and analysis system technology, applied in the field of data processing software, can solve problems such as heavy computing work, and achieve the effect of improving work efficiency

Active Publication Date: 2018-08-14
XIAN CENT OF GEOLOGICAL SURVEY CGS
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] To sum up, the problems existing in the existing technology are: in the current geological research work, the calculation work of Hf isotope research design is done by manual calculation, the calculation work is heavy, and there is a lack of a mature and highly automated rich Hf mineral or rock Hf isotope analysis data processing program

Method used

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  • Hf isotope analysis method and system for rich Hf mineral or rock
  • Hf isotope analysis method and system for rich Hf mineral or rock
  • Hf isotope analysis method and system for rich Hf mineral or rock

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Embodiment

[0043] Hf-rich minerals or rocks of the present invention carry out Hf isotope analysis method partial code excerpts are as follows:

[0044]

[0045]

[0046] In the above embodiments, all or part of them may be implemented by software, hardware, firmware or any combination thereof. When implemented wholly or partly in the form of a computer program product, said computer program product comprises one or more computer instructions. When the computer program instructions are loaded or executed on the computer, the processes or functions according to the embodiments of the present invention will be generated in whole or in part. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, co...

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Abstract

The present invention belongs to the technical field of geological isotope detection, and discloses a method and a system for Hf isotope analysis of an Hf-rich mineral or rock. The method comprises: performing isotope fractionation correction calculation, wherein a isotope fractionation correction coefficient calculation principle follows the Rayleigh fractionation rule; using the average value of[beta](Yb) in the test process for interference correction; and calculating values of [epsilon]Hf(0), [epsilon]Hf(t), THf1, THf2 and fLu/Hf to explain the geological origin of the sample. According to the technical scheme of the present invention, the heavy work of manual calculation in the geological work is eliminated, and the technical scheme can provide a better service for the geological work.

Description

technical field [0001] The invention belongs to data processing software, in particular to a method and system for Hf isotope analysis of Hf-rich minerals or rocks. Background technique [0002] Hafnium is a dispersed element, its chemical properties and ionic radius are very similar to zircon, so it often enters the crystal structure of many minerals by replacing zirconium with isomorphism, among which zircon has the highest content of hafnium. Hafnium has 6 isotopes: 174Hf, 176Hf, 177Hf, 178Hf, 179Hf, 180Hf, and their relative abundances are: 0.20%, 5.2%, 18.6%, 27.1%, 13.7%, 35.2%. Among them, 174Hf is a radioactive isotope, which forms stable 170Yb through alpha decay. There are multiple Hf isotope reservoirs in the earth system. After a long geological history and long-term geological evolution, there are differences in the Hf isotope composition characteristics between different end members. By testing the Hf isotope composition in the sample, the sample can be traced...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18
CPCG06F17/18
Inventor 李艳广
Owner XIAN CENT OF GEOLOGICAL SURVEY CGS
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