promulgated, but at lastit was found that the lamination of the mass was producedby pressure, and that these planes of cleavage were invaria-bly at right angles to the direction of the pressure. The flattening out of fossils in the slate forms an addition-al proof of the correctness of the… … The ice of the higher regions is whitish, through the diffusionof small air bubbles within it. At the sides of the glaciersand at the bottoms of cascades, this ice is sometimes subject-ed to enormous pressure. It yields laterally as the slatemud has yielded, and a laminated structure is the…
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