Keyphrases
Pyrite
100%
Mineral Matter
100%
Modes of Occurrence
100%
Colombian Coals
100%
Coal Sample
60%
Low-temperature Ashing
60%
X-ray Diffraction Method
40%
Mössbauer Spectroscopy
40%
Macerals
40%
Optical Microscopy
20%
Silica
20%
Organic Sulfur
20%
Organic Matter
20%
Spectroscopy Studies
20%
Chemical Composition
20%
Chemical Analysis
20%
Apatite
20%
Oxidation Products
20%
Abundant Elements
20%
Analysis Procedure
20%
Carbonate
20%
One Sample
20%
Muscovite
20%
XRD Data
20%
Siderite
20%
Dolomite
20%
Clay Minerals
20%
Coal Ash
20%
Rietveld
20%
Being Present
20%
Illite
20%
Kaolinite
20%
Illite-smectite
20%
Interstratification
20%
Framboidal Pyrite
20%
Ankerite
20%
Fracture Fillings
20%
Chlorite
20%
Phosphate Minerals
20%
Anhedral
20%
Quantitative X-ray Diffraction
20%
Inorganic Elements
20%
Quartz Grains
20%
Liptinite
20%
Paragonite
20%
Coquimbite
20%
Coal Mining Area
20%
Bassanite
20%
Goyazite
20%
Tschermigite
20%
Alunogen
20%
Jarosite
20%
Maceral Components
20%
Hexahydrate
20%
Earth and Planetary Sciences
X Ray Diffraction
100%
Maceral
100%
Illite
66%
Organic Matter
33%
Calcite
33%
Dolomite
33%
Clay Mineral
33%
Calcium Phosphate
33%
Muscovite
33%
Kaolinite
33%
Montmorillonite
33%
Siderite
33%
Ankerite
33%
Coal Mining
33%
Phosphate Mineral
33%
Jarosite
33%
Bassanite
33%
Goyazite
33%
Paragonite
33%