Elevation of Bonito coal at Bonito VI, as this locality is named on 
the map, 280.7 meters. 
About 2 kilometers S. 75° W. from the last locality, there is an 
outcrop of coal visible on Rio Tiririca where it falls over the Upper 
Bonito sandstone lefore joining Rio Passa Dois. Not all of the Bonito 
bed is exposed, as may be observed from the following section : 
Metors 
1. Sandstone, massive, visible, Upper Bonito . eee er ee 10,66 
2, Coaly shales, PYELEOUS® he Gee So ee Sieh eh 0.15 
CONE 053 den Gals, Ge ee. 0.28) 
3. Coal, Bonito Rider. .\Shale. . . . . . .. 0.10 0.44 
l Goat che Gel le We ve wee 0.06 | 
4. Clay, lightcolored. . 2. 2. 2. 1. 1 1 we ew ee ee ek 0.30 
;Dark coaly shale. . . . . 0.36 
Coal, Slaty sa. ee ee eS 0.94 
*“)clay, light colored . . . . ma 
Coal, visible . . . .... 0.611 
5. Coal, Bonito . . . 1.93 
Elevation of coal, 239.7 meters. 
At Barro Branco Vetho,a diamond drill hole was sunk by the 
Coal Commission under the supervision of Dr. Santos, beginning at the 
base of the Barro Branco coal bed. The Bonito rider coal was struck at 
a depth of 65 meters and the section through the Bonito bed as given 
by Dr. Oliveira, acting Chief olf the Coal Commission, isas follows: 
Meters 
1. ‘Barro Branco Coal. 2 s 6 s & Sw & «% ww «oS ww 4% - 
2. Sandstone, shale, ete. . 2. . 2. - 2 6 ee we ee ew) «69.00 
3. Coal, Bonito Rider. . . . . . a Ghd > Bid glia Sklize 0.32 
: Shalesandy. . . ..... 0.15 
4. Parting clay. . . eee Bae aes oe aes a He a be nee 0.65 
COGb ee a ee 1.66 \ 
Clay ie oe ee OR oe es 0.16 
GOGD i> cas ge Ow 0.66 
Clays Aa EW 0.08 
. Coal, Bonito. . . .(Goal. . . . we ew ee 0.43 3.22 
Clays so ee Po ew 0.05 
COGl ss = Se oe oe 8 we ES 0.07 
CYAY sa a es Ete es 0.05 
ol 
MOONS 4S lee el ae ee Se O08 
6. Clay, streak of coal near top. - - - «© + «+ + 2 2 we we 0.50 
7. Coal . . .- ‘ ecte> Web Care tay rae aj BS Bee ob se 0.44 
8. Shales and eantione to fotton ofboring . . . ..... . 30.00 
