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Identification method and system for pegmatite type rare metal ore

A rare metal and identification method technology, applied in the field of remote sensing mineral resource identification, can solve problems such as poor traffic conditions, affecting the development of geological exploration work, and ineffectiveness, and achieve the effect of accurate determination

Active Publication Date: 2018-06-19
XIAN CENT OF GEOLOGICAL SURVEY CGS
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Problems solved by technology

[0003] At present, geological and mineral exploration work is gradually extending to central and western regions and remote areas with poor natural traffic conditions. These areas have harsh natural conditions and extremely poor traffic conditions, which seriously affect the development of geological exploration work, resulting in a lot of manpower and material resources. can not achieve the corresponding effect

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  • Identification method and system for pegmatite type rare metal ore
  • Identification method and system for pegmatite type rare metal ore
  • Identification method and system for pegmatite type rare metal ore

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0054] In recent years, with the development of satellite sensors, remote sensing technology has developed rapidly. In 1999, Space Imaging of the United States successfully launched the world's first high-resolution commercial remote sensing satellite Ikonos; in 2001, Digital globe of the United States successfully launched the commercial high-resolution satellite QuickBird; in 2002, France launched the SPOT-5 satellite; in 2009 , the United States Digital glo...

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Abstract

The invention discloses an identification method and system for pegmatite type rare metal ore. The method comprises: image processing is carried out on an obtained WorldView-2 equal-high-resolution image, a pegmatite vein distribution area is determined, and the processed WorldView-2 equal-high-resolution image is interpreted based on the pegmatite vein distribution area to obtain an interpreted WorldView-2 equal-high-resolution image; principal component transformation and fake color synthesis processing are carried out on an obtained ASTER remote sensing image to obtain a synthesized ASTER image, wherein the dark color area of the synthesized ASTER image is a distribution area of the pegmatite type rare metal ore; and the interpreted WorldView-2 equal-high-resolution image and the synthesized ASTER image are combined to determine location information of the pegmatite type rare metal ore. According to the identification method and system, the distribution area of the pegmatite is determined based on the WorldView-2 equal-high-resolution image; and the location information of the pegmatite type rare metal ore is determined efficiently, quickly, and accurately within short time by combining the ASTER remote sensing image for extraction of the ore-included area of the pegmatite rare-metallic ore.

Description

technical field [0001] The invention relates to the field of remote sensing mineral resource identification, in particular to a method and system for identifying pegmatite-type rare metal ores. Background technique [0002] Rare metal minerals include lithium, rubidium, cesium, niobium, tantalum, beryllium and other minerals. The commonality of these mineral resources is that they are low in abundance in the earth’s crust and have different physical and chemical properties. Rubidium has no independent minerals, and most of them are related to cesium. Paragenetic or in the lattice of potassium minerals, and these rare metal minerals mainly occur in pegmatites. Rare metal mineral resources are widely used, especially in high-tech fields such as aerospace, atomic energy, electronics, and national defense industries. For example, lithium is an indispensable raw material for the manufacture of hydrogen bombs. In nuclear reactors, lithium is used as a control rod coolant and heat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V8/02G06K9/00
CPCG01V8/02G06V20/13
Inventor 金谋顺高永宝李侃滕家欣燕洲泉
Owner XIAN CENT OF GEOLOGICAL SURVEY CGS
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