Earth Science — Appalachian Basin
Paleozoic strata of the Appalachian Basin.
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title "Appalachian Basin (Paleozoic)"
type column
layer "Pennsylvanian coal measures" thickness 1.2 color "#2a2a2a" age "Pennsylvanian"
layer "Pottsville Sandstone" thickness 1.0 color "#d6bea0" age "Pennsylvanian"
layer "Mauch Chunk red beds" thickness 0.9 color "#a14a3a" age "Mississippian"
layer "Greenbrier Limestone" thickness 0.8 color "#cbd5e1" age "Mississippian"
layer "Catskill clastics" thickness 1.4 color "#9c6b4f" age "Devonian"
layer "Marcellus Shale" thickness 0.7 color "#3a3a3a" age "Devonian"
layer "Tuscarora Sandstone" thickness 0.9 color "#e0c890" age "Silurian"
layer "Martinsburg Shale" thickness 1.3 color "#5a6a5a" age "Ordovician"