The petrographic analysis of the coals of Guardo-Valderrueda basin (Cantabrian Mountains) shows ranks varying from bituminous coals to meta-anthracite. Vitrinite Group dominates the maceral composition, with low Inertinite and scarce Liptinite contents. The presence of natural coke and pyrolytic carbon in many samples indicates an important thermal alteration, mainly due to Variscan tectonism and Permic igneous activity
105 páginas : ilustraciones color, figuras, tablas.The coal is an important mineral resource used wo...
Type and rank variation within Tertiary Barito coals of Tanjung Formation were analyzed by petro- gr...
An Oligocene lignite (Ebro Basin, Spain) and its density fractions were analyzed petrographically an...
The petrographic analysis of the coals of Guardo-Valderrueda basin (Cantabrian Mountains) shows rank...
Bituminous to anthracite coals from three small Stephanian intramontane coal-bearing basins (La Magd...
The study of coals affected by magmatic intrusions is important from a geological point of view, in ...
In this work, gas genesis (methane) in coals from Lorraine (France), Warrior and San Juan (USA) Basi...
The petrology of coal, as determined by the microscopic analysis of organic and inorganic elemental ...
The petrology of coal, as determined by the microscopic analysis of organic and inorganic elemental ...
In this study Los Cuervos formation’s coals’ macerals and proximate analysis were analyzed, those be...
Four Upper Carboniferous limnic coal basins in the Cantabrian mountains are described. In the coal m...
Dissertação de Mestrado em Geociências, Recursos Geológicos, apresentada à Faculdade de Ciências e T...
The PANG0001 well, situated in the Claromecó Basin, Argentina, involves rocks that belong to the Tun...
Purpose The purpose of this work is to study coal samples from various exposed seams of the La Ball...
The Cantabrian Mountains located in the NW of the Iberian Peninsula constitute the most important co...
105 páginas : ilustraciones color, figuras, tablas.The coal is an important mineral resource used wo...
Type and rank variation within Tertiary Barito coals of Tanjung Formation were analyzed by petro- gr...
An Oligocene lignite (Ebro Basin, Spain) and its density fractions were analyzed petrographically an...
The petrographic analysis of the coals of Guardo-Valderrueda basin (Cantabrian Mountains) shows rank...
Bituminous to anthracite coals from three small Stephanian intramontane coal-bearing basins (La Magd...
The study of coals affected by magmatic intrusions is important from a geological point of view, in ...
In this work, gas genesis (methane) in coals from Lorraine (France), Warrior and San Juan (USA) Basi...
The petrology of coal, as determined by the microscopic analysis of organic and inorganic elemental ...
The petrology of coal, as determined by the microscopic analysis of organic and inorganic elemental ...
In this study Los Cuervos formation’s coals’ macerals and proximate analysis were analyzed, those be...
Four Upper Carboniferous limnic coal basins in the Cantabrian mountains are described. In the coal m...
Dissertação de Mestrado em Geociências, Recursos Geológicos, apresentada à Faculdade de Ciências e T...
The PANG0001 well, situated in the Claromecó Basin, Argentina, involves rocks that belong to the Tun...
Purpose The purpose of this work is to study coal samples from various exposed seams of the La Ball...
The Cantabrian Mountains located in the NW of the Iberian Peninsula constitute the most important co...
105 páginas : ilustraciones color, figuras, tablas.The coal is an important mineral resource used wo...
Type and rank variation within Tertiary Barito coals of Tanjung Formation were analyzed by petro- gr...
An Oligocene lignite (Ebro Basin, Spain) and its density fractions were analyzed petrographically an...