EECOED OF BORING IN PORTSMOUTH. 323 



Feet. Inches. 



41. Argillite 6 



42. Shale 7 



43. Shale, black and carbonaceous, contains some quartz 2 



44. Sandstone 4 8 



45. Sandstone, more compact and modern than above 1 1 



46. Sandstone - 6 



47. Sandstone - 1 



48. Slate, witli crystals of iron pyrite 3 



49. Quartz vein 1 



50. Slate, crossed by small veins of quartz, calcite, and iron pyrite 9 4 



51. Sandstone, dark and line grained 4 11 



52. Slate, very liard and fine graitied 8 6 



53. Sandstone, liard and fine grained 1 3 



54. Shale, hard and black 7 4 



55. Coalj a highly carbonaceous graphitic bed 2 1 



56. Slate, bard 7 11 



57. Quartz vein 1 



58. Slate, hard - 3 8 



59. Shale, carbonaceous 5 8 



GO. Shale, sandy 4 



GL Slate, bard and black, carbonaceous 5 



62. Slate, bard, black, and sandy 7 11 



63. Slate, bard and black 



64. Quartz vein 1 



65. Slate, bard, black, and carbonaceous 3 6 



66. Coaly full of quartz impurities 2 



67. Slate - 1 



6S. Sandstone, fine grained and hard 2 1 



69. Quartz vein - 1 



70. Sandstone, fine grained 4 



71. Sandstone, fine grained 2 1 



72. Shale, hard, passing into a bard fine-grained sandstone 10 1 



73. Shale, carbonaceous 2 2 



74. Shale, arenaceous, passing into a fine sandstone 3 6 



75. Sandstone, fine grained 2 



76. Shale, carbonaceous - 4 9 



77. Shale, fine grained - 1 2 



78. Shale, sandy 3 7 



79. Sandstone, gray, bard, and fine 3 9 



80. Shale, black, fine grained 2 



81. Shale, arenaceous, with bands of graphite , . 3 7 



82. Shale, black 1 8 



83. Sandstone, fine grained 2 3 



84. Shale, black, with quartz 2 



85. Sandstone, with quartz veins - 3 3 



S6. Sandstone - 6 



