;Kii|,. JlAi:. HUM. 



Diagram of Bore No. 1. 



CUNAPO COALFIELD. 



Diagram of Bore No. 2. 



nKl'AliK V. Vdl,. 1, I'l.ATK \U. 



Diagram of Bore No. 3. 



■\Vliite clay, 

 Boft. 



Black coal and 

 clay, mixed, 



BOtt, 



Blaclt coal, hard 

 and brittle. 



Wliitoeand, 150 II 



vory soft. 152 3 



86 1} 



H!) 7 



Kil 9 



i)2 2 



111 6 



97 11 



Groy Band, soft. 



Grey sand with 

 pebbles, harder. 



162 8i 



100 3 



170 



173 



17S 



"Whitish sandstone, 

 hardish, then soft. 



Grey sand, soft. 



Purple sandstone, 

 vory hard. 



Purplish-blucksand-jq. q 



stone, very hard. 

 lilur.U conl. 



Dliick slmlo, soft. 201 3 

 White iluv, soft. 

 AVhitish clay, soft. 



Whitish sandstone, 

 hordish, then soft. 



Grey quicksand. 



Grey sand, soft. ^61 2 



Grey sand, hard 



and soft. 

 Grey sand, stony. 

 Ditto, soft and hard. 

 Grey quicksand 



with gas. 



Grey conglomerate, 

 very hard. fj 5 



Groy saucl, soft. 



Browuisli sha 

 fairly soft. 



ft. in. 

 323 10 

 Darkish grey 

 shale, softer. 



"Whitish 

 grey 

 slate, 

 hard. 



shaly 

 slate, 

 fairly 

 hard. 



Blue shaly 

 slate, 

 fairly 

 soft. 



Blue shaly 

 slate, 

 fairly 

 hard. 



Black ditto, 

 very soft. 



Blue shaly 



slate, 

 fairly 



Blue shaly 



slate, 

 hard. 



Blue shaly 

 slate, 

 fairly 

 hard. 



Blue shaly 

 slate, 

 fau-ly 

 hard. 



Blue clay. 



Dark shale, 

 medium. 



Blue shale, 

 harder. 



Dark shale^ 

 harder. 



12 

 17 



Gravel, haixl. 



nine slmly 

 clay, 



310 U 1=1 120 



DIAGRAM OF THE BORINGS MADE 



TO ILLUSTRATE 



AT CUNAPO, NEAR SANGREGRANDE, TRINIDAD i 



I . 



((. ill. 



.■i30 



MR. R. J. LEC 



HMERE GUPPyS ARTICLE. 



