Geological magazine . .39 F^ \ Light green-yellow soft sandstones. L. cornea and minwna . 10 3Eubbly green shales and marls with some micaceous purpleI shales. L. cornea, Eurypteridas, Cephalaspis Murchisoni,^ Onchus, L. ininima, etc. . . . .50 [Bone-bed limestone. L. cornea and many fragments of F^ \ EurypteridsB 4 (Green shales . ... . . . .35 -pj f Flaggy sandstones . . . . .20 ^ lEedshale 6 F^ Bone-bed limestone. L. cornea and many fragments of 4 {Green shale .......... 4J F« - Calcareous yellow-green micaceous grit ..... 1§ (Green shale .......... 2 6 F Calcareous y


Geological magazine . .39 F^ \ Light green-yellow soft sandstones. L. cornea and minwna . 10 3Eubbly green shales and marls with some micaceous purpleI shales. L. cornea, Eurypteridas, Cephalaspis Murchisoni,^ Onchus, L. ininima, etc. . . . .50 [Bone-bed limestone. L. cornea and many fragments of F^ \ EurypteridsB 4 (Green shales . ... . . . .35 -pj f Flaggy sandstones . . . . .20 ^ lEedshale 6 F^ Bone-bed limestone. L. cornea and many fragments of 4 {Green shale .......... 4J F« - Calcareous yellow-green micaceous grit ..... 1§ (Green shale .......... 2 6 F Calcareous yellow-green micaceous grit. L. cornea ... 2 33 6 The two calcareous yellow-green grits are similar to the beds whichoccur in the vicinity of a bone-bed limestone where it passes either ?^ The Silurian Brachiopoda, pp. 35, 36. 486 W. W. King (^ W. J. Lewis— horizontally or vertically into calcareous sandstone. They form twoharder ribs in the midst of the softer material. The Temeside pc pi). Rubbly bluish-green purple sandstone. Purple clays with thin 2 in. bands of purplemicaceous sandstones. Calcareous yellow-green grit with L. cornea. Green shale. Calcareous yellow-green grit, ij Inches. Green shale. Temeside Bone-bed. Red shale. ~ Flaggy sandstones. Green shales and purple and green shales. Well-bedded light green-yellow sandstones withL. cornea. Rusty-red marly sandstones with L. cornea. Purple sandstones and green shales, L. cornea(common) and L. mininia (rare). Yellow quartzitic sandstones. Fig. 4. Section at Brewins Tunnel of Temeside Beds and some of theoverlying strata. Scale 8 feet = 1 inch. 17. Si/m-ian and Old Red i)i S. Staffordshire. 487 Bone-beds and shales occur along the west side of the reservoir, andhere L. minmia occurs abundantly within a few inches of F. We divide E and F where Z. cor^ma first occurs, though theymight be regarded as one gradual transition from Silurian to Old RedSandston


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1864