— 129 — 
A shaft has been sunk through the measures with the following 
reported succession : 
» 
Meters 
1. Surfaceclaygand gnales. 2... . . we 4,60 
Ren@ogl- Uaioe hoe oe a ae Ge REE a ele & foe Gxk 0.40 
3. Clays, gray and white. . . . . . fe Py ten 1 elt, Bien 4.00 
4, Cowl . 2... So Yea Ne Gide Mees ae Go A. Amie. ao -Be & 1.70 
5. Sandy, pyritous beds to bottom . . . 2. ee eee 0.3) 
At the face of the stripping in the ravine, the following succession 
Was observed : 
Meters 
1. Clay, white and gray. ©. . 2. 1. 6 es ew ew eee et 2.44 
2. Shale; dark: « « # 2 6 4 SS wow we Ae ee wR 0.15 
Cozuland bitum‘nous shale . . ... .. . =. +. O81 
3. Coal.., Clay, white. «© . 2 2 = » w= » © «© «© @ « « O01 1.63 
t coal and bituminous shale . . ..... . . . 0,81) 
4. Shale, blue, pyritous . 2. 2. 2. 1 1 ee ee ee ke 0.13 
5. Sandstone, massive, gray. . . . « 2. . © 1 6 © © we we 1,52 
N. 3 is very probably the representative of all or a portion of the 
. Jeronymocoal. 
It has been exploited here and shipped to S. Gabriel for testing in 
the electric light works. 
About 3 kilometers south from the railway station of Rio Negro, 
the S. Jeronymo coal bed has been mined to some extent on the west 
bank of Rio Negro, and shipped to Bagé for use in the xarqueadas etc. 
isp) 
Two openings have there been made on the fazenda of 
Mr. Carlcs Brett, at one of which the following succession was 
measured : 
Metors 
1. Sandstone, coarse, gray. ew ww ew tw we le 6.10 
D GONCONIEM sso. ce ee ee we wey Re la Rp Gh Se re 6.10 
3. Sandstone, massive. . 2. 2 2 2 6 6 6 we ee tw ee 3.05 
4, Bituminous slate and coal. . . 2. - «2 1 we ew ew ee 0.61 
5. Clay, white, and dark. 2 2. 2 1 we ee ew ee ee 1.83 
6. Coal, impure, the lower 61 centimeters being covered with water. . 1.83 
In the lower portion of n. 5 is a thin layer of chocolate colcred 
clay with fragments of fossil plants. 
Another opening in the coal a few meters farther down stream 
exhibits practically the same succession. 
5569 17 
