146 
Analyses of Roman Rocks. 
I 
6 
c/5 
q 
q 

fa 

M 
O 
a 
q 

q 

K 
I 
O 

O 
u 
6 
H 
CD 
PU 
oa 
1 
Inclusive. 
(ZrO, 0.08) 
1 
61.88 
18.06 
2.19 
1.38 
0.61 
i. IS 
6.89 
6.72 
0-37 
none 
0.69 
0.07 
0.08 
100.52 
\ SO, 0.05)- 
(Cl 0.30) 
2 
59-79 
19-05 
2.95 
1. 08 
0.36 
1. 19 
6.79 
7.10 
0.24 
none 
0.56 
O.IO 
99-74 
Cl 0.53 
3 
60.33 
18.27 
2.84 
1.29 
0.38 
1.15 
7.IS 
7-30 
0.56 
none 
0.43 
0.04 
100.17 
Cl 0.43 
( ZrO, o.io ) 
. 4 
59-24 
18.63 
3-30 
1. 20 
0.12 
2.06 
4.87 
9.14 
0.86 
none 
0.56 
0.15 
0.06 
100.54 
]so 3 o.n[ 
(Cl 0.08) 
5 
61.62 
i8.ii 
2.36 
1.28 
0.56 
1-44 
5-77 
7.60 
0.78 
none 
0.87 
0.13 
100.67 
Cl 0.15 
6 
58.08 
19.11 
3.55 
I.OO 
1.05 
3.76 
2.84 
8.86 
0.54 
O.II 
none 
0.82 
O.2O 
99.92 
7 
57-58 
19-39 
3-22 
1.62 
1.17 
4.08 
3-12 
8.68 
0.50 
0.44 
0.31 
0.21 
100.49 
ci o'.iV" 
8 
57-50 
18.80 
4-37 
0.62 
1. 20 
3.84 
3-i6 
8-39 
0.61 
0.38 
0.50 
0.28 
IOO.2I 
5 ci 0.03 1 
|MnO 0.57) 
- 9* 
56.19 
20.75 
I.7I 
2.19 
1.14 
3-53 
2.86 
10.47 
0.70 
0.30 
none 
0.65 
O.24 
100.73 
10 
55- T 7 
19.60 
3-27 
2.74 
1.58 
3-73 
2.27 
9 58 
0.99 
none 
0.69 
99 82 
ii 
S7-6o 
19-43 
2.49 
1.92 
1. 06 
4-17 
3-SS 
8'. 71 
0.32 
0.32 
0.46 
0.20 
100.50 
MnO 0.23 
ZrO, 0.04^ 
12* 
55-07 
20.83 
2.12 
1.99 
I.OO 
3-37 
4.00 
8.65 
0.77 
o.59 
none 
0.82 
0.19 
O.2O 
99-73 
S SO 3 trace f 
)Ce,C 3 0.03 C 
* SrO 0.06 ' 
13 
55-87 
20.85 
2-34 
I.IO 
0.48 
3.07 
4.81 
10.49 
0.34 
none 
0.79 
O.II 
O.O9 
100.55 
( ZrO, 0.07 
( SO 3 0.14 
f ZrO, 0.02 v 
14* 
50.25 
21.41 
1.76 
1.82 
0.31 
4-48 
5-16 
11-32 
0.62 
o.34 
0.32 
0.57 
0.12 
0.13 
09.86 
)S0 3 i.osi 
) Cl o.iSC 
1 SrO trace ; 
IS* 
59-41 
19.06 
1.87 
3-42 
2.05 
4.09 
2.58 
5-29 
0.64 
0.91 
none 
I.OO 
O.29 
100.61 
16 
57-32 
19.07 
2. 21 
2-35 
1. 60 
3.82 
3.22 
9-iS 
0-57 
none 
0.61 
0.17 
0.12 
100.21 
SO 3 trace 
17 
55.46 
14.63 
1-34 
4.50 
7.90 
6.69 
1.79 
6.63 
0.23 
0.15 
none 
0.53 
18 
7 80 
6-Q 
o 18 
19 
55-85 
18.34 
3-77 
4-37 
1.88 
1-73 
3-84 
1-35 
3-39 
3 
8.77 
1.14 
none 
none 
0.40 
0.59 
O.3O 
0.38 
none 
0.17 
100.61 
09.90 
5 ZrO, none ) 
I SO, 0.05 f 
(ZrO, o.io 
20 
55-21 
18.78 
2.69 
2.86 
1.68 
4.61 
3-13 
8.45 
0.99 
none 
0.71 
O.22 
0.18 
99-6i 
< SO 3 none 
( S none 
( ZrO, trace 
21* 
52.14 
15-91 
2.15 
5-19 
5- ii 
8-55 
1.92 
7.24 
O.IO 
0.09 
none 
1.22 
O.24 
O.2O 
100.13 
I SO, 0.07 
(ZrO, o.io 
92* 
55-22 
18.43 
2. O2 
3.10 
2.75 
5-70 
3-50 
7.58 
0.46 
0.29 
none 
0.87 
0.21 
O.O7 
100.41 
] SO, o.n 
( Cr,O 3 none 
23 
56.75 
18.03 
2.22 
3-04 
2. 02 
4.68 
4-85 
5-92 
0.18 
none 
1.24 
0-34 
99.38 
Cl o.n 
24 
54. 72 
19.60 
2-45 
3.09 
I .90 
5.00 
3.52 
6.87 
2.08 
0.65 
trace 
op . p^ 
Cl 0.05 
ZrO, 0.07) 
25* 
52.37 
20.89 
I. 21 
4-44 
1.74 
5.08 
2.OO 
7-47 
1.46 
0.51 
none 
i. IS 
0.51 
0.16 
99.96 
SO 3 none f 
Cl none ) 
, 26* 
50.86 
18.48 
4-03 
3-45 
2.55 
7-77 
2.23 
7-15 
I- Si 
0.16 
none 
I.OO 
0.46 
0.17 
99.84 
ZrO, 0.02 
SO 3 none 
27* 
51.21 
18.28 
3.07 
4.19 
3-47 
7.86 
2.49 
6.60 
0.56 
0.16 
none 
1-43 
0.35 
O.IO 
99.77 
I ZrO, none 
I SO, none 
28 
55.69 
17.87 
4.07 
3.26 
3-41 
6.87 
2.89 
4-41 
0.17 
none 
i. 02 
0.19 
99.85 
29* 
30* 
54.83 
51.20 
19-59 
21.21 
1.66 
2.38 
3-04 
3-67 
1.49 
1.99 
4-05 
5-42 
2.92 
2. II 
10.40 
10.63 
0.77 
0.28 
o.49 
O.IO 
none 
none 
0.73 
0.74 
0.17 
0.36 
0.15 
0-33 
100.30 
100.45 
( ZrO, o.oi ? 
SOj none J 
j ZrO, 0.03 / 
? SO 3 trace V 
( ZrO, trace ) 
3i* 
50.68 
19.46 
3-96 
2-51 
2.24 
6.78 
2.6l 
9.38 
0.46 
0.16 
none 
0.89 
0-33 
0.15 
99.61 
i SO S none > 
( CuO none ) 
32* 
SO. 36 
17.62 
4.80 
2-53 
3 - 27 
7.61 
I .99 
9- 39 
i . 19 
33 
50.24 
18.43 
2-54 
5-65 
3-65 
7-83 
2-4S 
7-45 
0.36 
none 
1.19 
0.47 
0.29 
100.55 
( ZrO, none ) 
I SO, none ) 
34* 
47.65 
I8.I3 
2-63 
6.48 
4.19 
9.01 
2. 7 8 
7-47 
0.13 
O.II 
none 
I-I3 
0.50 
0.24 
100.47 
j ZrO, 0.02 
) SO 3 trace 
35 
47.89 
17.87 
4-93 
3-64 
3-68 
8.70 
2.6O 
8.23 
0.65 
none 
0.77 
0.36 
0.28 
99.68 
ZrO, 0.02 
SO 3 0.06 
36* 
47.20 
17-66 
3-51 
4-50 
4.20 
9-52 
2.25 
7.63 
0.72 
0-57 
none 
1.19 
0.58 
0.19 
99.76 
ZrO, 0.04 
SO 3 none 
ZrO, trace 
37* 
48.10 
17.56 
2.48 
6.10 
4.27 
8.16 
2.67 
7.90 
0.12 
0.04 
none 
1.41 
1. 01 
0.08 
99.90 
SO 3 trace 
CuO none 
38* 
47-71 
I7.6l 
2.46 
5-68 
4.80 
9-42 
2-75 
7.64 
trace 
none 
0.37 
0.77 
0.26 
99.53 
ZrO, 0.06 
SO 3 none 
f ZrO, 0.04-) 
39* 
47-39 
14-79 
3-10 
S-o8 
6.77 
ii. 61 
1.49 
6.03 
0.77 
0.28 
none 
1.41 
o.4S 
0.15 
100.35 
\ SO, none f 
)Ce,Oj o.osC 
( SrO 0.04' 
40* 
44.89 
12.73 
3-31 
4-35 
13-71 
12.95 
1.02 
3-66 
1-59 
0.27 
none 
0.95 
0.23 
0.08 
99-77 
ZrO, trace 
Cr,O 3 0.03 
41* 
46.24 
14.42 
4.06 
4-36 
6.99 
13.24 
I.6 S 
6.37 
0.78 
0.57 
none 
1.17 
0.41 
0.13 
100.41 
ZrO, trace 
SO 3 O.O2 
(ZrO, 0.03 
42* 
46.27 
17-25 
3-94 
3-23 
5-o8 
11.40 
2.67 
8.58 
o-37 
0.13 
none 
i. II 
0.39 
O.IO 
100.61 
\ SO, trace 
( SrO 0.06 
, ZrO, 0.02 \ 
43* 
47-05 
17.08 
3-04 
4-89 
5.67 
10.63 
1.61 
7-52 
0.71 
O.22 
none 
I-I5 
0.17 
0.09 
99-90 
) SO 3 none ( 
) CuO none C 
1 NiO 0.05 ' 
. 44 
45-99 
16.56 
4-17 
5.38 
5-30 
10.47 
2.18 
8.97 
0-45 
none 
0.37 
0.56 
0.25 
100.65 
SrO none 
