The Quarterly journal of the Geological Society of London . Mr. Prigg foundamongst the gravel several other good specimens, both of the ovaland pointed forms; and within the last three months I have beenable to procure upwards of fifty others. Mr. Evans and Mr. Prest-wich have also obtained several; and Mr. Fitch, of Norwich, afterspending some hours at the pits, procured a very good specimen,which the labourers dug up in his presence at the depth of fourteenfeet. It would thus seem that this deposit is quite as productive asany hitherto examined, either in England or France. From the accompan
The Quarterly journal of the Geological Society of London . Mr. Prigg foundamongst the gravel several other good specimens, both of the ovaland pointed forms; and within the last three months I have beenable to procure upwards of fifty others. Mr. Evans and Mr. Prest-wich have also obtained several; and Mr. Fitch, of Norwich, afterspending some hours at the pits, procured a very good specimen,which the labourers dug up in his presence at the depth of fourteenfeet. It would thus seem that this deposit is quite as productive asany hitherto examined, either in England or France. From the accompanying plan and section it will be seen that theriver here flows through a wide and shallow valley, excavated in theChalk and Boulder-clay. The Mils on either side rise to the height 46 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. of about one hundred feet above the river-surface; and, when mea-sured from the summit of Boulder-clay on the north to the Chalk-Fig. I.—Geological Shetch Map of part of the Valley of the LittleOiise River. Fits ^1^^/^ Dournkc Ration/. a. Ferruginous sands and coarse flint-gravel, 12 to 15 feet thick. b. Boulder-clay in blue and laminated strata, 25 to 30 feet b. Boulder-clay not laminated, 20 feet thick. c. Chalk. Fig. 2.—Section across the Little Ouse Valley at the second standibetween Thetford and Santon Downham. Brick-kiln on theMiindford-road. Vertical scale 1 inch to 300 feet. Horizontal scale H inch to 1 mile. summit on the south, the valley is from a mile to a mile and a halfwide. On the south side, to the extent of three miles parallel with
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
