Earth history on the gridiron
S.T. LoDuca, C.F. Ojala 1998 Journal of Geoscience Education v46 no1 p55-60

This article details the use of a football field as a metaphor for geologic time and includes several diagrams emphasizing different kinds of Earth history events, such as major periods of glaciation, mass extinctions, etc.

ISSN 1089-9995
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Resource Type: Journal Article
Research on Learning: Geoscience Expertise:Geologic TimeKeywords: geologic time, Earth history