. The Quarterly journal of the Geological Society of London. have been produced by overlap. The second unconformity occurs at the summit of the HalesowenSeries. A reference to the accompanying map (PI. XLIV) willshow that the Keele Series rests upon the various members of theHasbury Group (see p. 447) from Ham Dingle to Hayley Green,and upon the Illey Group from Hagley Wood eastwards. Theoutcrop of the Illey Group is wholly confined to the area boundedon the west by the buried anticline at Wassel Grove, and on the 1 The S. Staffs. Coalfield Mem. Geol. Surv. 2nd ed. (1859) p. 154. 452 ME. H. KA
. The Quarterly journal of the Geological Society of London. have been produced by overlap. The second unconformity occurs at the summit of the HalesowenSeries. A reference to the accompanying map (PI. XLIV) willshow that the Keele Series rests upon the various members of theHasbury Group (see p. 447) from Ham Dingle to Hayley Green,and upon the Illey Group from Hagley Wood eastwards. Theoutcrop of the Illey Group is wholly confined to the area boundedon the west by the buried anticline at Wassel Grove, and on the 1 The S. Staffs. Coalfield Mem. Geol. Surv. 2nd ed. (1859) p. 154. 452 ME. H. KAY ON THE HALESOWEN SANDSTONE [Oct. 1913, north by the flexure noted on p, 444. From the attenuated con-dition of the blue clay seen in the new quarries at Hasbury (p. 445),the beds of this group would appear to have been formed in ashallow basin opening southwards. The necessary conditions wouldbe produced by a slight additional uplift of the buried anticline and Tig. 4.—Section from Wassel Grove to Oldenhall Colliery. S. , N. nw,Wassel Grove Hodge Hill. Fig. 5.—Section from Oldenhall Colliery to Witley E. Oldenhall Beeches Colliery Colliery WitleyLutley Brook Colliery
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
