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EVALUATING CROSTA TECHNIQUE FOR ALTERATION MINERAL MAPPING IN MALANJKHAND COPPER MINES, INDIA
Crosta technique Landsat Hydroxyl Carbonate ron oxide
2019/2/27
Landsat-8 Operational Land Imager (OLI) data has been successfully employed in the field of mineral exploration to detect important minerals. In this study, Crosta technique was applied to identify th...
Characterization of Hydrothermal Alteration in Mount Berccha Area of Main Ethiopian Rift using Hyperspectral Data
Hyperspectral Imaging Spectrometry AISA Hawk LiDAR-DEM Wavelength Mapping
2011/11/11
Characterization of Hydrothermal Alteration in Mount Berccha Area of Main Ethiopian Rift using Hyperspectral Data.
The comparison of alteration zones in the Sungun porphyry copper deposit,Iran (based on fluid inclusion studies)
Fluid inclusion Porphyry copper deposit Potassic alteration Phyllic alteration
2009/10/20
The Sungun porphyry copper deposit (PCD) is located in EastAzarbaijan, in northwestern Iran. The felsic rocks occur as stocks and dykes ranging in composition fromquartzmonzodiorite through quartzmonz...
Geology and Hydrothermal Alteration of the Aydın-Salavatlı Geothermal Field, Western Anatolia, Turkey
geothermal field hydrothermal alteration Büyük Menderes Graben Salavatlı western Anatolia Turkey
2009/7/8
The Aydın-Salavatlı geothermal field is located in the middle part of the Büyük Menderes Graben, and is characterized by normal-fault structures. The stratigraphic sequence of the Aydın...
Alteration Mineralogy and Geochemistry of the Hydrothermally Altered Rocks of the Kutlular (Sürmene) Massive Sulfide Deposit, NE Turkey
hydrothermal alteration clay minerals massive sulfide deposit eastern Pontides Turkey
2009/7/7
Volcanogenic massive sulfide deposits accompanying the Upper Cretaceous felsic rocks in the intra-arc rift zone of the Pontide palaeo-arc are common in the NE Turkey. One of them, the Kutlular (Sürme...
期刊信息
篇名
Mineralization and alteration zoning in the Gejiu tin ore field Yunnan ,China
语种
英文
撰写或编译
作者
Zhao Yiming ,Li Daxin
第一作者单位
刊物名称
Scientia Geologica Sinila
页面
1995,Vol.4,No.2,179-192
出版日期
1995年
月...
Facies-related diagenetic alteration in lacustrine–deltaic red beds of the Paleogene Ergeliin Zoo Formation (Erdene Sum area, S. Gobi, Mongolia)
Lacustrine–deltaic Carbonate Phyllosilicates Diagenesis Paleogene Mongolia
2011/11/14
The Late Eocene Ergeliin Zoo Formation, Mongolia, was subdivided into four facies associations/stratigraphic units which
are characterized by various carbonate minerals: (I) mud–sand flat (low-Fe dol...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: II. The Broadlands-Ohaaki Hydrothermal System, New Zealand
Crystallization Dioctahedral Phyllosilicates Hydrothermal System Illite-Smectite (I-S) Polytypism Transmission Electron Microscopy
2011/12/2
Abstract: The clay mineral textures, assemblages, formation mechanisms, and controlling geological parameters relating to alteration of silicic volcanic rocks by hydrothermal solutions, in core sample...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: I. The Golden Cross Epithermal Ore Deposit, New Zealand
1M polytype Dioctahedral Clay Minerals Epithermal Hydrothermal Alteration Illite-Smectite (I-S) Neoformation Smectite Transmission Electron Microscopy (TEM)
2011/12/2
Abstract: To characterize the evolution of dioctahedral interstratified clay minerals in the Golden Cross epithermal deposit, New Zealand, hydrothermally altered volcanic rocks containing the sequence...
Reaction Mechanisms of Smectite Illitization Associated with Hydrothermal Alteration from Ponza Island, Italy
Atomic Force Microscopy Chemical Analysis Illite Polytype Smectite XRD
2011/12/6
Abstract: A hydrothermally altered rhyolitic hyaloclastite from Ponza island, Italy, has four alteration zones with unique clay assemblages: (1) a non-pervasive argillic zone characterized by smectite...
Multiple Episodes of Clay Alteration at the Precambrian/Paleozoic Unconformity, Appalachian Basin: Isotopic Evidence for Long-Distance and Local Fluid Migrations
Alteration Brines Chlorite Illite Isotopes Meteoric Water Precambrian Unconformity Ontario
2011/12/6
Abstract: Chlorite and illite are commonly associated with ubiquitous secondary K-rich feldspar in the rocks located immediately above and below the Precambrian-Paleozoic unconformity in southwestern ...
Electron Microscopy Study of Volcanic Tuff Alteration to Illite-Smectite under Hydrothermal Conditions
Hydrothermal Alteration Illite-Smectite SEM-EDS TEM-AEM Volcanic Tuff
2011/12/6
Abstract: Experimental alteration of volcanic tuff from Almer韆, southeastern Spain, was performed in solutions with different Na/K ratios (0.01, 1, 10, and 100), different total salt concentrations (0...
Experimental Alteration of Volcanic Tuff: Smectite Formation and Effect on 18O Isotope Composition
Alteration Mechanism of Volcanic Tuff Oxygen Isotope Exchange Smectite Tuff
2011/12/8
Abstract: Three samples of volcanic tuff were hydrothermally altered at ∼82°C in a soxhlet apparatus for periods from 745 to 2706 h. The samples correspond to partially altered specimens of volc...
Chemical Changes and Genesis of Secondary Minerals during the Alteration of Biotites from Ignimbrites in the Tazzeka Mountain (Morocco)
Alteration Biotite Chlorite Ignimbrite Illite Structural Formula
2011/12/6
Abstract: The Tazzeka Mountain, located approximately 20 km south of Taza, eastern Morocco, is composed of a Westphalian volcano-sedimentary complex. It contains rhyolitic ignimbrites with the followi...
The Formation of Sulfides during Alteration of Biotite to Chlorite-Corrensite?
TEM AEM Altered Biotite Biotite Chlorite Corrensite Hydrobiotite Pyrite Sphalerite
2011/12/8
Abstract: Transmission electron microscopy/analytical electron microscopy (TEM/AEM) were utilized to study pyrite and sphalerite inclusions in chlorite or mixed-layer chlorite-corrensite from an analc...