Search for tag: "prehistory"

Preservation.mov duration 10 minutes 29 seconds Preservation.mov Preservation.mov	Preservation.mov major integrated oil & gas prehistory fossils pyrite paleontology minerals silicon dioxide petrochemical companies animal royal dutch shell gastropoda calcite mammoth carbon group history From Polly Bouker 906 plays 0
SedimentaryRocksPart2.mov duration 6 minutes 11 seconds SedimentaryRocksPart2.mov SedimentaryRocksPart2.mov	SedimentaryRocksPart2.mov sand (type of soil) sedimentary rocks limestone natural resources geology rock (geology) paleontology earth sciences acids (chemistry) coal prehistory soil type feldspar grain plant cultivation of grain plants historical geology lab From Polly Bouker 413 plays 0