ANALYSIS OF A PICTOU COAL SEAM——GILPIN. 43 
INCHES INCHES. 
Goal, wath bandsiomshalec occ 4.0.4 5.63.53 Dire ey ds ih? 9 
A SMMC we As rey fos oe Satie saat jo on» Bh 
Raced Amd SHAG 25 ox. wished wna ciate 3) 
MERLE 96h 4 oi s5cde,)a eo, 5 sue aYPAsys 6.0) 35) cays 1.0 
BERT OOW So. ce aac. sie tise a tel ey a. Abas Bi 74 
% “ with several fine layersofshale 1:2 . 
a an ae Eee TORS Une en Ree ee oe 
Shale, with films of calespar........... soy 2 
PPL ON hha, s0t anh gy acapend fawn Ae) aus ok Are Bi. 
Gopewitn laversvof shale. <24.0 35. gays Sf sansa | AO 
“coarse with nodules of iron pyrites. .... 2-3 
“good, with films of calespar....... 4-0 .. 
meneawith layers! iol, shallow it.) ye. isan aoe aS 
lee, fae) scale a cea P alice 5% So dg es 1 
ST OO Gils 2. de.leyse ey eY ctr geticy 2) on oy sl ae 6:0 3 
“ shaley, with films of calespar...... Rk pitts Sauer caw 
“) coarse, with spirorbis, ete.........- eee eee ey) PY) 
MESON Gente eee tte Ml Oe Gan cobbler mets "2 
5S ECCIOUE Le ange oy aa ar ao 98 
“ coarse, a few layers of shale...... 2 Ova gia 
"7s JLGTOTS (LAR Ee ek er te ag aR a BaQe Aes. 
“good, with films of calespar, and a 
few nodules of iron pyrites..... (| 
SS TV ce ee eae OR as ALE gOS, SR EE oT Pe OF eae 1 
COT EN SHEXOY CT | a ene eet Ce ean eos Sa eB | SED a ee 
: arewithy lawers: of shale...)..42 .\ a. sh ha 
os “ with a few nodules of iron 
VOWS aba ee a hie5 Loh gt aa Le Qe'... 
OWA ape es a2 ors Coal 97°3 Shale 19-0 
This succession of layers presents some points of interest on 
which I would say a few words. 
In no point do coal seams differ more than in the number 
and size of the included layers of shale. The Vale seam, in 
Pictou County, presents, at numerous points through the mine, a 
section in which no bands of shale can be detected. Other seams 
