Tibet Julong Copper Co., Ltd.

China University of Geosciences (wuhan)

China University of Geosciences (beijing)

Zijin Mining Group Co., Ltd.

Youye Zheng

Xin Chen

Jiancuo Luosang

Zhuoga Suolang

Jiangang Wei

Song Wu

Xiaofang Dou

Xiaojia Jiang

Jingjing Li

Defu Shu

Qiong Ci

Xiaofeng Liu

Peng Liu

Jianhui Wu

Quansheng Shen

Jianzhou Yi

Shouhong Lin

Changshun Jia

Rongzhu Guan

Jinzhang Zhang

Xu Kang

Xiaodan Lai

Hongjun Cheng

Feng Gao

Zhaolong Xue

Zhixin Zhang

Peng Kang

Jinling Liao

Yibin Lin

Daohu Lin

Nan Chao

Shucun Wang

Shunli Zheng

In a method for determining metallogenic potential of a porphyry by using trace elements and a B isotope of tourmaline, redox properties of magma is determined with Fe/(Fe+Fe) of tourmaline; then a water content and a content of metal Cu of the magma are determined with contents of HO and Cu in the tourmaline; and a source of the magma is determined with a B isotope of the tourmaline, the water content, oxygen fugacity and metal content and source of the magma are finally determined, and finally, whether the magma has metallogenic potential of a porphyry is comprehensively determined. The present disclosure determines a key control factor of porphyry copper with a mineral of the tourmaline, and overcomes the difficulties in low efficiency, a long period and high cost of a traditional method for determining metallogenic potential.

Method for determining metallogenic potential of porphyry by using trace elements and b isotope of tourmaline

A method for rapid prediction of porphyry copper mineralization potential based on spectral characteristics of tourmaline, includes collecting and collating data related to magma-fluid evolution, petrography and mineralogy of a porphyry copper deposit in a working area, systematically, distinguishing magmatic tourmaline from hydrothermal tourmaline in the working area, and further distinguishing phases and generations of the hydrothermal tourmaline; collecting hydrothermal tourmaline samples of the same phase and generation; performing short-wave infrared spectroscopy measurement on the collected hydrothermal tourmaline samples; extracting spectral characteristics of the Fe—OH wavelength and Mg—OH wavelength of the tourmaline samples based on The Spectral Geologist (TSG); and when the Fe—OH wavelength is less than 2245.75 nm, and the Mg—OH wavelength is greater than 2356.57 nm in the short-wave infrared spectrum of the samples, indicating that the porphyry copper deposit in an area where the samples are located has a great metallogenic potential.

Method for rapid prediction of potential of porphyry copper mineralization based on spectral characteristics of tourmaline

In a method for in-situ U-Pb dating of heterogeneous minerals, a target mineral is separated and purified by carrying out data analysis, extraction and enhancement on original mapping data. The method highlights distribution features of dating indexes (U content, Pb content, Pb/Uratio, Pb/Uratio and Th/U ratio) in a target mineral phase with a noise data processing technology, and more intuitively displays a favorable dating portion and a crystal growth change trend of the dating mineral. Further, a fine spot design is provided for high-precision dating analysis in a later stage. A plurality of geological events experienced by a heterogeneous mineral crystal in a growth process is accurately limited, so as to invert the mineral formation history which provides the basis for better study of mineralogy, mineral geochemistry and mineral geochronology. It is hence a novel indispensable auxiliary means of mineral geochronology and an auxiliary method for mineral exploration.

Method for in-situ U-Pb dating of heterogeneous minerals

A GPU-based integrated processing method for geochemical data, includes the following steps: S, storing geochemical data in a format of a preset three-dimensional array data structure Struct_A, S, iteratively processing the formatted geochemical data by using a compute shader in a GPU, calculating a mean value and a standard deviation of content of each chemical element, calculating a threshold value of the chemical element, eliminating sampling points according to the threshold value, repeating the operations until there is no sampling point to be eliminated, and calculating a final mean value as a background value and a final threshold value as a lower limit value of anomaly; and S, constructing spatial coordinates according to the obtained new geochemical data set, loading the spatial coordinates into a fragment shader for rendering, and completing anomaly delineation according to the background value and the lower limit value of anomaly.

GPU-based integrated processing method and system for geochemical data

A method for determining a direction and a distance of a metallogenic pluton of a skarn deposit with a garnet includes: collecting a sample; performing petrographic observation on the sample and designing an experimental area; computing a parameter; building a model; setting a parameter range; optimizing the parameters of the three models through a grid search method, and determining an optimal model and corresponding parameters a', b and c through repeated circulative iteration and by taking a minimum R as a limit condition; and substituting data of all sampling points into the optimal model, computing D of each sampling point, drawing a circle with a corresponding sampling point as a center and D as the radius, determining an intersection point of all circles as coordinates of the metallogenic pluton, and performing delineation with R as a buffer area of the metallogenic pluton.

Method for determining direction and distance of metallogenic pluton of skarn deposit with garnet

The present disclosure provides a method for determining an ore-forming environment of a porphyry deposit based on a tourmaline component, including the following steps: collecting a tourmaline-containing rock in the porphyry deposit to obtain a rock sample; performing pretreatment on the rock sample to obtain a treated sample; performing an in-situ tourmaline trace element test on the treated sample to obtain a test result; performing data processing and interpretation on the test result to obtain tourmaline trace element data; establishing a discrimination factor based on the tourmaline trace element data; and determining the ore-forming environment based on the discrimination factor. The present disclosure can quickly recognize a forming environment of a newly discovered porphyry deposit, thereby summarizing a rule and quickly giving guidance for a next prospecting direction.

Method for determining ore-forming environment of porphyry deposit based on tourmaline component

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Beijing, China

Youye Zheng