Instituto Geológico y Minero de España |
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Título: | THE PETROLOGICAL CHARACTERISTICS OF LOWER GONDWANA COALS FROM PART OF THE NORTH KARAMPURA COALFIELD AND THEIR INFLUENCE ON VARIATION IN RANK AND ON THE CAKING PROPERTIES OF THESE COALS; |
Autor/es: | MUKHERJEE.B.C. |
Edición: | 1984 |
Título Revista: | COMUNICAÇOES DOS SERVICÐOS GEOLOGICOS DE PORTUGAL |
Volumen: | 70 |
Número: | 2 |
Paginas: | 0265-0268 (0004 P.) |
ISSN: | 0037-2730 |
Descriptor: | carbón cuenca hullera poder reflector maceral Gondwana grado carbonificación vitrinita inertinita exinita Bihar Piso Barakar |