Jim Mann calls the rocks that could help cool our planet his "magic dust" In a quarry surrounded by the din of heavy machinery Jim Mann crouches down and picks up a handful of tiny black rocks. "This ...

Rock organic carbon oxidation CO 2 release offsets silicate weathering sink It has been hypothesized that the interval of glaciations at the end of the Late Ordovician (peaking in the Hirnantian Stage ...

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Aerial erosion also has a role to play in the formation of coastal features such as the Bullers of Buchan in Aberdeenshire. Here weaknesses in the rock stretch to the surface above a cave, resulting ...

In a quarry surrounded by the din of heavy machinery Jim Mann crouches down and picks up a handful of tiny black rocks. "This is my magic dust," he says with a smile, gently rubbing them between his ...