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Magma type copper-nickel ore exploration method

A copper-nickel ore and magma technology, which is applied in the field of prospecting, can solve the problems of inconspicuous prospecting effect, uneven distribution, and low prospecting efficiency, and achieve the effects of short prospecting period, high prospecting efficiency and improved success rate of prospecting

Inactive Publication Date: 2018-01-16
青海省第三地质矿产勘查院
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Problems solved by technology

[0002] Known magmatic copper-nickel ore exploration usually adopts geochemical prospecting or geophysical prospecting methods, and is realized through engineering control. Different from nickel ore, magmatic copper-nickel sulfide deposits are controlled by regional large faults and deep faults, and the distribution is extremely uneven. Copper-nickel ore bodies strictly occur in mafic-ultramafic complexes. Mineralization is strictly controlled by mafic-ultramafic rock mass, and the existing exploration methods show long exploration period, low ore prospecting efficiency, and inconspicuous ore prospecting effect

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Embodiment 1

[0055] This embodiment is an example of finding magmatic copper-nickel deposits in the extensional island arc environment in the Xiarihamu deposit.

[0056] Using the "mineralization geological background + water system sediment survey + soil survey + high-precision magnetic survey + special mapping + IP survey + gravity survey + EH4+CSAMT" exploration method established in the magmatic copper-nickel ore area, the survey in Qinghai The Xiarihamu Copper-Nickel Deposit in the Middle-Early Paleozoic Granite-Metamorphic Rock Island Arc Belt in the western part of the East Kunlun Orogenic Belt in the province is introduced in detail for the prospecting.

[0057] 1. Understand the metallogenic background and metallogenic laws of magmatic copper-nickel deposits from multiple aspects such as primary magma, magma source area, mineralization and mineralization process.

[0058] Xiarihamu is located in the western part of the East Kunlun orogenic belt, at the junction of the Caledonian b...

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Abstract

The invention discloses a magma type copper-nickel ore exploration method. The magma type copper-nickel ore exploration method comprises steps of A, analyzing a geological setting of an ore-forming process of a magma type copper-nickel mineral deposit and summarizing its ore-forming pattern, B, carrying out 1:50000 stream sediment measurement with an aim to observe a geochemical halo on the upperpart of a rock mass, marking abnormities of Cu and Ni, C, performing 1:10000 soil measurement by targeting an area where the Cu and Ni are abnormal, D performing trenching reveal on abnormalities anda mineralized clue or performing 1:2000 geologic measurement, high accuracy magnetic survey, induced polarization sounding and rock comprehensive profile measurement and revealing through trenching engineering, E, marking ore bodies, mineralized bodies and basic and ultra-basic rock bodies, F, using drilling to perform verification on the marked ore bodies or mineralized bodies, and G, determiningthe ore body or the mineral deposit. The magma type copper-nickel ore exploration method can improve a success rate of ore prospecting, can effectively shorten a construction period of ore prospecting and can find various kinds of metal mineral bodies.

Description

technical field [0001] The invention relates to an ore prospecting method, in particular to a magmatic type copper-nickel ore prospecting method. Background technique [0002] Known magmatic copper-nickel ore exploration usually adopts geochemical prospecting or geophysical prospecting methods, and is realized through engineering control. Different from nickel ore, magmatic copper-nickel sulfide deposits are controlled by regional large faults and deep faults, and the distribution is extremely uneven. Copper-nickel ore bodies strictly occur in mafic-ultramafic complexes. Mineralization is strictly controlled by mafic-ultramafic rock mass, and the existing exploration methods show long exploration period, low ore prospecting efficiency and inconspicuous ore prospecting effect. Therefore, how to improve the ore prospecting efficiency of magmatic copper-nickel deposits is an urgent problem to be solved. Contents of the invention [0003] The technical problem to be solved b...

Claims

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Application Information

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IPC IPC(8): G01V11/00
Inventor 杨启安孙丰月李世金王金海高永旺孙非非刘智刚
Owner 青海省第三地质矿产勘查院
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