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Method for prospecting pegmatite rare metal

A rare metal and pegmatite technology, applied in the field of minerals, can solve the problems of insignificant prospecting effect, low prospecting efficiency, and prolonging the exploration period, so as to shorten the exploration period, improve the exploration efficiency, and achieve the effect of efficient exploration techniques and methods.

Inactive Publication Date: 2019-02-12
青海省地质调查院
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Problems solved by technology

[0002] The ore-bearing construction, ore-controlling elements, and ore body exposure characteristics of pegmatite-type rare metal deposits (spots) are different from those of general intrusive rock or volcanic rock areas. Prospecting by means of methods may prolong the exploration period, low ore prospecting efficiency and inconspicuous ore prospecting effect, etc.

Method used

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  • Method for prospecting pegmatite rare metal
  • Method for prospecting pegmatite rare metal
  • Method for prospecting pegmatite rare metal

Examples

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Embodiment 1

[0045] Taking the Shaliuquan pegmatite-type niobium-tantalum deposit located in the eastern margin of the Qaidam Basin as an example, the prospecting effect of this combination of exploration techniques and methods is briefly described.

[0046] 1. Using high-precision remote sensing interpretation and 1:10,000 large-scale geological survey to preliminarily screen out the distribution area of ​​pegmatite dikes

[0047] 1) High-precision remote sensing interpretation

[0048] ⑴ Geological landscape characteristics of the survey area

[0049] From the image map, the interpretation area is from southwest to northeast, and generally presents a geological landscape of middle mountains, wide valleys between mountains and low mountains and hills, with obvious peak-basin-hill-ridge steps. Restricted and cut by two sets of main linear structures in the northwest and northeast directions, the bedrock mountains form strips distributed in two directions, making strips, lumps, and rings a...

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Abstract

The invention discloses a method for prospecting a pegmatite rare metal. The method comprises the following steps of preliminarily identifying a pegmatite vein space distribution by use of high-precision remote sensing interpretation according to a regional geological background and a magmatic rock distribution region; performing geological survey by use of a large 1:10,000 scale; accurately plotting a pegmatite vein distribution law graph to preliminarily screen out a pegmatite vein distribution region; performing stream sediment measurement in a ratio of 1:25,000 and large-scale high-precision magnetic measurement, delineating a rare element stream sediment anomaly distribution diagram and a high-precision magnetic measurement anomaly diagram; deploying a lithogeochemical profile in a ratio of 1:5,000 in a key anomaly section for control tracing, preliminarily and optimally marking out a pegmatite-containing vein material; deploying an exploratory trench for disclosure control to mark out a mineralized body or an ore body; preferably optimally deploying a drilling hole for the pegmatite vein with high grade and large scale according to characteristics of the mineralized body or the ore body to perform deep verification, and specifically delineating the ore body.

Description

technical field [0001] The invention belongs to the field of mineral technology, and relates to a pegmatite-type rare metal prospecting method. Background technique [0002] The ore-bearing construction, ore-controlling elements, and ore body exposure characteristics of pegmatite-type rare metal deposits (spots) are different from those of general intrusive rock or volcanic rock areas. Prospecting by using this method may prolong the exploration period, lead to low ore prospecting efficiency and inconspicuous ore prospecting effect, etc. Contents of the invention [0003] The object of the present invention is to provide a pegmatite-type rare metal prospecting method with high exploration efficiency and short exploration period. [0004] Its specific technical plan is: [0005] A pegmatite-type rare metal prospecting method is characterized in that the method comprises the following steps: [0006] (1) Preliminary identification of the spatial distribution of pegmatite ...

Claims

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Application Information

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IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 李善平潘彤任华陈秉芳白建海陈静舒树兰甘艳辉赵海霞
Owner 青海省地质调查院
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