. Elements of geology : a text-book for colleges and for the general reader. Geology. LIFE OF TIIE QUATERNARY PERIOD. 5YB through them. It seems probable that they are mostly due to the ac- tion of subterranean waters in Champlain times. At that time full streams ran through and excavated them, partly by erosion, partly by solution. Gradually, as the Terrace elevation came on, the great streams into which these cavern tributaries ran cut down their beds to lower levels, the subterranean waters sought lower levels, and the part running through the caverns was reduced to drippings ; and stalagmi
. Elements of geology : a text-book for colleges and for the general reader. Geology. LIFE OF TIIE QUATERNARY PERIOD. 5YB through them. It seems probable that they are mostly due to the ac- tion of subterranean waters in Champlain times. At that time full streams ran through and excavated them, partly by erosion, partly by solution. Gradually, as the Terrace elevation came on, the great streams into which these cavern tributaries ran cut down their beds to lower levels, the subterranean waters sought lower levels, and the part running through the caverns was reduced to drippings ; and stalagmitic crusts covered the Champlain rubbish and preserved them. Thus, then, the date of the caves is Champlain; of the bone-rubbish is Champlain and early Terrace; of the stalagmitic crust is later Terrace and Kecent. 2. Beaches and Terraces.—On these are found the remains of bodies which have floated and become stranded. The most abundant of these are remains of Elephas jprimigenius or Mammoth. It is believed that mmm. ft N. J, f. ( /'. Fig. 947.—Skeleton of the Irish Elk (Cervus megaceros), Post-Pliocene, Britain. the bones of 500 individuals have been found on the coast of Norfolk and Suffolk, and over 2,000 grinders have been dredged up by the fish-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
