Revisión litoestratigráfica del Grupo Lena (Pensilvaniense) en el borde SE de la Cuenca Carbonífera Central (sector Piedrafita-Lillo, Zona Cantábrica)
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Abstract
El objetivo de este trabajo es revisar formalmente la litoestratigrafía del
Grupo Lena (Pensilvaniense) en el sector Piedrafita-Lillo (Cuenca Carbonífera
Central, Zona Cantábrica, NE León), describiendo nuevos hipoestratotipos
para las Formaciones Fresnedo (Bashkiriense), Levinco (Vereyense/Kashiriense),
Llanón (Kashiriense) y Tendeyón (Kashiriense/Podolskiense). Estas
unidades se depositaron en una cuenca de antepaís y están formadas fundamentalmente
por alternancias de terrígenos (sedimentos de plataforma siliciclástica/
prodelta y del frente deltaico), y calizas marinas someras
The aim of this paper is to formally review the lithostratigraphy of the Pennsylvanian Lena Group in the Piedrafita-Lillo sector (Central Asturian Coalfield, Cantabrian Zone, NE León), providing new hypostratotypes for the Fresnedo Formation (Bashkirian), Levinco Formation (Vereian/Kashirian), Llanón Formation (Kashirian) and Tendeyón Formation (Kashirian/Podolskian). These lithostratigraphic units were deposited in a foreland setting and are dominated by siliciclastics (prodelta/shelf and delta-front sediments) and shallow-water marine carbonates
The aim of this paper is to formally review the lithostratigraphy of the Pennsylvanian Lena Group in the Piedrafita-Lillo sector (Central Asturian Coalfield, Cantabrian Zone, NE León), providing new hypostratotypes for the Fresnedo Formation (Bashkirian), Levinco Formation (Vereian/Kashirian), Llanón Formation (Kashirian) and Tendeyón Formation (Kashirian/Podolskian). These lithostratigraphic units were deposited in a foreland setting and are dominated by siliciclastics (prodelta/shelf and delta-front sediments) and shallow-water marine carbonates







