espanolSe colectaron y se analizaron de manera petrografica, quimica y palinologicamente once muestras de asociaciones de litotipos de carbon en la variacion vertical del manto 1 de la mina El Bloque que se encuentra ubicada en el municipio de Amaga (Antioquia). Estos analisis permiten concluir que la turbera precursora del carbon se formo bajo condiciones principalmente reotroficas (pantano planar), reductoras y con altos niveles freaticos. Ademas la presencia de Zonocostites ramonae junto con algunos dinoflagelados sugiere que la turbera estuvo expuesta a incursiones marinas. EnglishEleven samples of associations of litothypes of coal in the vertical variation were collected of the Seam 1 of the El Bloque coal mine that is located in the municipality of Amaga (Antioquia). Then petrographic, palynological and chemical analyses were made. These analyses allow, to conclude that the paleomire that originated the m1 coal of the El Bloque coal mine was mainly associated to rheotrophic conditions, planar swamp with high freatic levels. Also the presence of Zonocostites ramonae together with some dinoflagelattes suggests that the paleomire was exposed to marine incursions.