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Crucigrama Sopa de Letras Hoja de Trabajo
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Pennsylvanian Period

Horizontales
Iron oxide beds also known as...
The transgressive sequence of the Pennsylvanian.
Abundant swamps of....
This geological feature created cyclothems during the Pennsylvanian.
Verticales
These ancestral mountains were caused by cratonic uplift.
This orogeny was occurring in the southern U.S.
Diversifying and abundance of this group of animals.
Along the front range we find this formation.
This continent was sutured with Gondwana.