A geologist's song 03

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The Marginal Basin Song by Chris Stillman(melody: Lead us on, thou Heavenly Father)On a margin runs a canyon down into the ocean dark; There's a basin slowly filling with detritus from the arc. Refrain: For the drifting causes rifting, Opens basins mighty fine Which strike-slip will close in time. With volcanics there's no problem; they're erupting all the time; Fill the thin with pillow lavas, sheeted dikes and serpentine. Rising slowly from the ocean filled with gritties coarse and fine, Are you fore-arc? Are you anti-arc? Are you just a geosyncline?




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