Prospecting method for orogenic magmatic melting nickel ore

A technology for nickel ore and magma, applied in the field of prospecting, can solve problems such as difficulty in completing the prospecting work, insignificant prospecting effect, and prolonging the prospecting period, and achieve the effects of short prospecting period, narrow prospecting scope, and high prospecting efficiency.

Inactive Publication Date: 2018-11-13
青海省地质矿产勘查开发局
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Problems solved by technology

[0003] The ore-bearing lithology, ore-controlling elements and ore body characteristics of the basic-ultrabasic copper-nickel deposit produced in the extensional environment of the continental-continental collision stage are different from those in other areas.

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  • Prospecting method for orogenic magmatic melting nickel ore
  • Prospecting method for orogenic magmatic melting nickel ore

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[0021] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention are clearly and completely described below. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Such as figure 1 As shown, the present invention provides a method of prospecting for orogenic magma melting nickel ore, taking the ore prospecting of Xiarihamu magma melting nickel ore located at the northeastern margin of the Qinghai-Tibet Plateau as an example, the method includes the following steps:

[0023] (1) Strategic constituency:

[0024] The Xiarihamu mining area is located on the south side of the Nalingele River fault zone. The exposed strata i...

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Abstract

Provided is a prospecting method for orogenic magmatic melting nickel ore. The method comprises the following steps: selecting the exploration area in the extended environment of the Late Devonian andthe Early Devonian in the land-continent collision phase, performing the water-based sediment measurement, and preliminarily screening the target area through regional avionic abnormality; carrying out large-scale high-precision gravity on the preliminarily screened target area, and specifically delineating the basicity- ultrabasic rock mass; according to the delineated basicity- ultrabasic rockmass, preliminarily screening the ore-bearing rock mass by a controllable source audio magnetotelluric method, and then carrying out the large-scale soil geochemical measurements to identify copper-nickel ore prospecting clues; and through surface geological survey of minerals, further sampling and analyzing trenches and drilling, and delineating ore bodies. According to the method, the prospecting range can be reduced, the exploration period is short, and the prospecting success rate is improved, the exploration efficiency is high, and meanwhile, the method can be widely applied to the searchfor various metal mines in the magnesium-iron-supermafic rock area.

Description

technical field [0001] The invention relates to the field of ore prospecting methods, in particular to an ore prospecting method for orogenic magma melting away nickel ore. Background technique [0002] Orogenic deposits are formed in the tectonic environment where the converging plate margins are squeezed or twisted, controlled by the structure, and have a genetic connection with the orogenic process in time and space. The magma abscission deposit refers to a homogeneous magma melt at a relatively high temperature. When the temperature and pressure drop, it is separated into two or more immiscible melts. [0003] The ore-bearing lithology, ore-controlling elements and ore body characteristics of the basic-ultrabasic copper-nickel deposit produced in the extensional environment of the continental-continental collision stage are different from those in other areas. Conventional electrical methods such as transient electromagnetic sounding methods are difficult to complete th...

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Application Information

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IPC IPC(8): G01V3/08
CPCG01V3/081
Inventor 潘彤李善平王秉璋张爱奎赵呈祥陈建洲孙晓华刘玉军黄勇魏占浩徐永峰
Owner 青海省地质矿产勘查开发局
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