A Prospecting Method for Crypto-explosive Breccia Type Copper-polymetallic Deposit

A technology for polymetallic ore and breccia, which is applied in the field of minerals and can solve the problems of low prospecting efficiency, prolonged prospecting period, and insignificant prospecting effect.

Inactive Publication Date: 2021-03-16
青海省地质矿产勘查开发局
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The ore-bearing structure, ore-controlling elements, and ore body exposure characteristics of cryptoexplosive breccia are different from those of general intrusive rock or volcanic rock areas. May prolong the exploration cycle, low ore prospecting efficiency and inconspicuous ore prospecting effect, etc.

Method used

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  • A Prospecting Method for Crypto-explosive Breccia Type Copper-polymetallic Deposit
  • A Prospecting Method for Crypto-explosive Breccia Type Copper-polymetallic Deposit
  • A Prospecting Method for Crypto-explosive Breccia Type Copper-polymetallic Deposit

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Experimental program
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Embodiment 1

[0055] Taking the Kaerchaika crypto-explosive breccia-type copper-polymetallic deposit in the Qimantag area of ​​East Kunlun as an example, the prospecting effect of this combination of exploration techniques and methods is briefly described.

[0056] 1. Using high-precision remote sensing interpretation to preliminarily screen out the distribution area of ​​cryptoexplosive breccia

[0057] ⑴ formation

[0058] The exposed strata in this area are mainly the Lower Proterozoic Jinshuikou Rock Group and the Ordovician-Silurian Tanjianshan Group. Among them, the Lower Proterozoic Jinshuikou Group is a set of medium-deep metamorphic rocks, mostly in the form of xenoliths in the Indosinian intrusive rock mass. The strata are mainly distributed in a NW-SE direction, and the surroundings are in intrusive contact with the Indosinian intrusive rocks. The lithology mainly includes banded migmatite, eyeball migmatite interbedded with biotite plagioclase gneiss, and hornblende plagioclas...

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Abstract

The invention discloses a cryptoexplosive breccia type copper polymetallic ore prospecting method. The method is characterized by, according to the regional geological background and the distributionarea of intermediate-acid intrusive rocks, preliminarily identifying the spatial distribution of cryptoexplosive breccias through high-precision remote sensing interpretation, accurately compiling a cryptoexplosive breccia remote sensing interpretation distribution rule map and preliminarily screening out a cryptoexplosive breccia distribution area; carrying out 1:50,000 geochemical measurement and delineating an element stream sediment anomaly distribution map; deploying 1:5000 magnetic survey in a key anomaly section for control tracing, and preliminarily selecting and dividing cryptoexplosive breccias containing ores; deploying trial trenches for disclosure control, and delineating a mineralized body or an ore body; and according to the characteristics of the mineralized body or the orebody, selecting high-grade and large-scale cryptoexplosive breccias and deploying drill holes for deep verification, and specifically delineating the ore body. The method can rapidly identify the cryptoexplosive breccias, provides accurate cryptoexplosive breccias containing ores for deployment of the trial trenches and drill holes, and can effectively improve exploration efficiency and shorten exploration cycle.

Description

technical field [0001] The invention belongs to the field of mineral technology, and relates to a method for prospecting a crypto-explosive breccia type copper-polymetallic ore. Background technique [0002] The ore-bearing structure, ore-controlling elements, and ore body exposure characteristics of cryptoexplosive breccia are different from those of general intrusive rock or volcanic rock areas. It may prolong the exploration period, 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 method for prospecting a crypto-explosive breccia type copper-polymetallic ore. This method provides an efficient exploration technology method for cryptoexplosive breccia-type copper-polymetallic deposits in intermediate-acid intrusive rocks in an intracontinental orogenic environment. This method can quickly shorten the exploration cycle, save capital investment, and achieve a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 潘彤李善平王秉璋任海东丛殿阁陈静薛万文任华邱炜舒树兰李五福王春涛
Owner 青海省地质矿产勘查开发局
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