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Computing method of iron source in hydrothermal type iron mine

A calculation method, hydrothermal technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problem of inability to accurately calculate the source of ore-forming metals

Inactive Publication Date: 2019-04-09
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0003] The present invention provides a method for calculating the source of iron in hydrothermal iron ore aimed at the deficiencies of the prior art, which is used to solve the technical problem in the prior art that stable isotopes cannot directly and accurately calculate the source of ore-forming metals

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  • Computing method of iron source in hydrothermal type iron mine
  • Computing method of iron source in hydrothermal type iron mine
  • Computing method of iron source in hydrothermal type iron mine

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Embodiment Construction

[0039] The present invention is described in further detail below in conjunction with embodiment.

[0040] A method for calculating the source of iron in hydrothermal iron ore, comprising the following steps:

[0041] Step 1: Surrounding rock sample collection and pre-experimental treatment;

[0042] Step 2: Determination of major elements in the whole rock;

[0043] Step 3: whole rock and single mineral iron isotope determination;

[0044] Step 4: Iron isotope mass balance calculation.

[0045] Step 1 as mentioned above: sample collection and pre-experimental treatment, including:

[0046]Collect a set of samples of hydrothermal iron deposits, including: ore-forming wall rocks and iron ores with different degrees of alteration; After the rock samples were crushed to 0.85mm-0.425mm, the pure ore-forming iron minerals were selected under the binocular lens for subsequent experimental analysis and processing.

[0047] Step 2 as mentioned above: Determination of major elemen...

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Abstract

The invention belongs to the technical field of the ore-forming material source tracer, and specifically relates to a computing method of an iron source in hydrothermal type iron mine. The method comprises the following steps: step one, wall rock sample collection and experiment pretreatment; step two, total-rock bulk element determination; step three, total-rock and monomineral iron isotope determination; step four, iron isotope mass balance computation. The contribution amount of the iron in the wall rock alteration and magma hydrothermal solution is estimated at first, and the method has significance for establishing the mineral deposit genesis model and guiding the mineral exploration. And the computation method also has important referential value for tracing and quantitatively estimating the related hydrothermal solution mineral deposit ore-forming material source by using other non-traditional stable isotope.

Description

technical field [0001] The invention belongs to the technical field of mineral source tracing, and in particular relates to a calculation method for iron source in hydrothermal iron ore. Background technique [0002] Tracing the source of metallogenic materials is a core issue in the study of ore deposits. Understanding the source of ore-forming metals and their enrichment mechanism is a prerequisite for establishing a genetic model of a deposit and guiding mineral exploration. Magmatic hydrothermal deposits are the most common and important type of metal deposits, providing a large amount of metal resources such as copper, molybdenum, gold, tungsten, lead, zinc and iron for the development of today's society. At present, there is still controversy about the source of metals in magmatic hydrothermal deposits. As early as the 1960s, traditional stable isotopes (such as H, C, O, N, and S) were used to trace the fluid source of hydrothermal deposits, but because these elements...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223
CPCG01N23/223
Inventor 朱斌
Owner BEIJING RES INST OF URANIUM GEOLOGY