. The Quarterly journal of the Geological Society of London. ston * Chelsworth and Monks Eleigb. Whatfield Kersey Coslord Hadleigh—Woods & Co Do. Wilsons Malting Do. by the river Do. 1909, Deanery Do. 1911 90-1001269080607080 95^90 100 102 7280 (c)Gipping Valley.—The existence of a similar channel inthe Gipping Valley, just at the head of the Orwell Estuary, wasnoted as far back as 1885,1 in the boring at St. Peters borings have confirmed this earlier record. The chiefof twenty wells and over seventy trial-borings are shown upon thesketch-map (fig. 4, p. 602), and it is probabl
. The Quarterly journal of the Geological Society of London. ston * Chelsworth and Monks Eleigb. Whatfield Kersey Coslord Hadleigh—Woods & Co Do. Wilsons Malting Do. by the river Do. 1909, Deanery Do. 1911 90-1001269080607080 95^90 100 102 7280 (c)Gipping Valley.—The existence of a similar channel inthe Gipping Valley, just at the head of the Orwell Estuary, wasnoted as far back as 1885,1 in the boring at St. Peters borings have confirmed this earlier record. The chiefof twenty wells and over seventy trial-borings are shown upon thesketch-map (fig. 4, p. 602), and it is probable that if a town of thesize of Ipswich had been situated in any of the other valleys ofSuffolk, we should have had just as much more definite informationas to the extent of the channel in that valley. Beginning at theupper end of the valley, in the neighbourhood of Stowmarket, thereseems to be good evidence for a channel. The Chalk by protractionshould here be reached at about 120 feet It crops out 2 miles Geol. Surv. 1885 (10) p. 118. [ 602 ]. Vol. 69.] THE AGE OF THE SUFFOLK VALLEYS. 603 to the south-east at 100 feet , but the following table showsthe actual levels found :— Table op Borings in the Gapping Valley—Upper Portion. Locality. Heightabove Thickness Chalk-surfaceof Drift \ referred toinfect. I in feet. Elniswell 217 Old Newton | 210 Haughley j 160 Stow market—Malting j 92 Do. Brewery 100 Do. Brickyard 135 Do. Waterworks 100 Do. Hewitts Mill 95 Creating St. Peter 164 Combs ! 100 Needham Market 100 Chalk-pit near Creeting Hall 100 127128100 57^ 71113 77*100145?57 + 90+ 82+ 60+ 34±+ 29+ 22+ 22|- 5+ 19?+ 431+ 100+ 100 Other wells show a corresponding thickness in Drift, but that atCreeting St. Peter is a little surprising, as it lies rather outside thepresent valley, while Chalk is exposed at a higher level at a pitin the valley (Creeting Hall). The surface of the Chalk is veryirregular here, but a little lower down the valley the formationc
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
