altered mineral

Using absorbed value feature of known mineral criterion for reference,utilizing Landsat 7 ETM remote images and features of altered mineral spectrum from USGS,valuable alteration mineralization information are extracted by comparison of spectrum similarity.

利用该区域的Landsat7 ETM遥感影像和标准光谱库中的特征蚀变矿物光谱为基本数据,借鉴已知矿物标准中的吸收谷特征,应用光谱特征匹配技术进行吸收谷谱区间和吸收谷深度对比,通过比较两者的相似性,达到提取蚀度矿物的目的,提取出许多有价值的似蚀变带遥感信息。

Based on the principle of near-infrared spectrum absorption by altered minerals,optimum measurement wavelength ranges for altered minerals were fixed and qualitative and quantitative analysis for altered minerals in rocks by near infrared spectrometer were accomplished with the mathematics and spectrum learning methods.

基于岩石中蚀变矿物对近红外光谱的吸收原理,确定测量蚀变矿物最佳波长范围,采用数学和谱图学习方法对岩石中蚀变矿物进行定性和定量分析。

The altered minerals and their assemblages have traditionally been identified by naked eyes in the field or by microscopes indoors.

利用便携式短波红外光谱测量仪(PIMA)在云南普朗斑岩铜矿区开展了短波红外光谱测量工作,通过系统的野外数据采集,获得了研究区蚀变矿物组合及主要蚀变矿物的分布,并建立了普朗斑岩铜矿区蚀变矿物分带模式。

Combining with the question for study,this essay mainly,introduces the processing and analysis methods about the field spectrum measurement data of Xiangshan Uranium Field to ensure the characteristic spectrums of the alteration minerals from the quantitativ.

结合研究课题,本文主要介绍了相山铀矿田地面光谱测量数据的处理与分析方法,从定性和定量两个方面确定蚀变矿物的特征光谱,建立相应的识别光谱模型,为利用高光谱成像技术圈定热液矿化蚀变带,分析蚀变矿物组合,圈定找矿靶区打下基础。

Application of SWIR reflectance spectroscopy in mapping of hydrothermal alteration minerals:A case study of the Tuwu porphyry copper prospect, Xinjiang;

短波红外光谱矿物测量技术在热液蚀变矿物填图中的应用——以土屋斑岩铜矿床为例

In the same time,the mineral alteration mapping and delineation of alteration zone was carried out too.

系统测量这一地区的岩石磁化率,同时进行矿物蚀变填图,圈定蚀变带,提供进一步的找矿信息及标志。

In the course of infiltration and runoff of oxygen- and U-bearing water within the ore-hosting sandstone layers of the deposit, different geochemical subzones such as intensively oxidized subzone, weakly oxidized subzone, reduction subzone and unoxidized primary subzone and their corresponding alteration mineral assemblages are forme.

层间氧化带型砂岩铀矿含矿砂层在含氧含铀水的渗入径流过程中,由于水介质性状的变化,在与砂体发生水岩作用时形成了完全氧化带、不完全氧化带、还原带和原生带等不同地球化学亚带及其相对应的蚀变矿物群,即完全氧化带为褐铁矿(针铁矿、水针铁矿)、伊利石、蒙脱石、少量黄钾铁矾的蚀变矿物群;不完全氧化带为褐铁矿(针铁矿、水针铁矿)、黄钾铁矾、蒙脱石、伊利石、少量绿泥石、高岭石的蚀变矿物群;还原带为沥青铀矿、黄铁矿、高岭石、绿泥石、少量蒙脱石、伊蒙混层粘土、伊利石和碳酸盐等新生蚀变矿物群;原生带的新生蚀变矿物群以黄铁矿、绿泥石、高岭石为主,有时出现少量碳酸盐、蒙脱石和伊利石等。

Study on Method of Measuring Altered Minerals in Rocks with Near-Infrared Spectrometer

近红外光谱仪测定岩石中蚀变矿物方法研究

Altered Minerals Discriminating Using ASTER Data at Low Vegetation Cover Area

浅覆盖区基于ASTER数据的蚀变矿物识别方法

THE APPLICATION OF HYPERSPECTRAL REMOTE SENSING TO THE IDENTIFICATION OF HYDROCARBON ALTERATION MINERALS IN QAIDAM BASIN

柴达木盆地烃蚀变矿物高光谱遥感识别研究

It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers.

矿石以低品位构造蚀变岩型为主,褐铁矿、铁矿是主要的载金矿物。

Gold mineral is native gold, its grain size is fine, its fineness is high.

围岩蚀变作用不强。金矿物为自然金，粒度细、色高。

Characteristics of the Altered Minerals in Topsoil in the Northwest Sector of the Luanjiahe Fault,Zhaoyuan,Shandong Province

山东招远栾家河断裂北段表土矿物蚀变特征

The Hydrothermal Alteration Characteristics and Physics and Chemistry Conditions of Mineralization of Xiangshan Uranium Ore-field in Jiangxi;

江西相山铀矿田热液蚀变特征及成矿物理化学条件分析

Petrological and mineralogical examinations of core material can be used to identify hydrothermal alterations.

岩芯的岩石学和矿物学研究也能用来鉴定水热蚀变。

Wall Rock Alteration and Its Relations to Gold Mineralization of the Liba Gold Deposit,Gansu Province

甘肃李坝金矿围岩蚀变与金成矿关系

ALTERATION AND MINERALIZATION ZONING OF ORE DEPOSITS IN THE YULONG PORPHYRY COPPER BELT

试论玉龙斑岩铜矿带内矿床的蚀变和矿化分带

Hydrothermal alteration is closely associated with gold mineralization, but different types play different roles in gold mineralization.

热液蚀变与金矿化关系密切，但不同的蚀变对金矿化作用不同。

This reagent attacks feldspars and dark minerals.

这种反应物质侵蚀长石和音色矿物。

Bioextraction and Corrosion Electrochemistry of Sulfide Minerals;

硫化矿物生物提取及腐蚀电化学研究

Study on Tectono-alteration Net of Gold in Northwest Jiaodong;

胶西北金矿集中区构造—蚀变网络研究

ERDAS-Based Extraction of Mineral Alteration Anomalies from Remote Sensing Image

基于ERDAS的矿产蚀变遥感异常信息提取

Enhancement Processing of Remote Sensing Alteration Information at Xiongcun Copper Deposit in Tibet

西藏雄村铜矿遥感蚀变信息增强处理

Hydrothermai alteration geochemistry of the Qianhe gold deposit in western Henan Province

豫西前河金矿热液蚀变地球化学研究

On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit.

浅谈新城金矿床围岩蚀变与金矿化的关系