ELASTIC CONSTANTS OP ROCKS. 
59 
Olivine Diabase, Sudbury, Province of Ontario, Canada Continued. 
No 
a 
a 
b 
b 
C 
C 
Size 
981 
981 
983 
983 
983 
983 
Area . . . 
.756 
.756 
.758 
.758 
.758 
.758 
E 
13 250 000 
13 780 000 
14 020 000 
14 320 000 
14 020 000 
14 320 000 
<r 
.2865 
.281 
.291 
.277 
.291 
.283 
D 
10,340,000 
10,460,000 
11,170,000 
10,720,000 
11,170,000 
11,000,000 
C ....- 
5,160,000 
5,380,000 
5,430,000 
5,620,000 
5,430,000 
5,580,000 
LONGITUDINAL COMPRESSION MULTIPLY READINGS BY 4 FOR MILLIONTHS. 
Load (in 
Side 
Side 
Side 
Side 
Side 
Side 
oounds). 
U. 
P. 
U. 
P. 
U. 
P. 
I,OOO. . 
O 

O 
O 


2,OOO. . 
30 
30 
30 
25 
30 
30 
3,000. . 
60 
60 
60 
55 
60 
60 
4,000. . 
90 
90 
90 
95 
90 
85 
5,000. . 
125 
120 
"5 
no 
1 2O 
H5 
6,000. . 
155 
150 
145 
140 
150 
145 
7,000. . 
185 
1 80 
175 
170 
1 80 
175 
8,000. . 
225 
215 
2IO 
200 
210 
205 
9,000. . 
250 
240 
235 
230 
235 
230 
8,000. . 
22O 
210 
2IO 
200 
2IO 
205 
7,000. . 
I 9 
185 
170 
175 
1 80 
175 
6,000. . 
165 
155 
145 
140 
150 
145 
5,000 . . 
130 
125 
"5 
"5 
I 2O 
H5 
4,000. . 
105 
IOO 
85 
95 
90 
85 
3,000. . 
75 
60 
55 
55 
60 
60 
2,000. . 
45 
25 
30 
25 
30 
30 
1,000. . 
15 
O 


O 
O 
LATERAL EXTENSION MILLIONTHS. ' 
No 
a 
a 
. b 
b 
C 
C 
Size 
.981 
.981 
.983 
.983 
.983 
.983 
Load (in 
Side 
Side 
Side 
Side 
Side 
Side 
pounds). 
U. 
P. 
U. 
P. 
U. 
P. 
1,000. . 
O 

O 
o 
O 

2,OOO. . 
28 
28 
28 
25 
21 
27 
3,000. . 
54 
51 
54 
49 
49 
53 
4,000. . 
83 
78 
82 
73 
78 
79 
5,000. . 
in 
103 
I IO 
IOO 
105 
107 
6,000. . 
140 
130 
138 
122 
131 
130 
7,000. . 
169 
156 . 
164 
149 
1 60 
154 
8,000. . 
198 
183 
191 
172 
185 
183 
9,000. . 
225 
2IO 
215 
200 
215 
205 
8,000. . 
200 
185 
192 
174 
195 
1 80 
7,000. . 
172 
155 
170 
150 
170 
. 166 
6,000. . 
144 
135 
140 
125 
145 
130 
5.000. . 
H5 
110 
118 
IOO 
"5 
no 
4,000. . 
85 
78 
88 
75 
85 
80 
3,000. . 
52 
54 
56 
50 
55 
55 
2,000. . 
22 
26 
30 
25 
25 
26 
1,000. . 
O 
o 
o 


o 
