|
Start
Table of Contents
Rock Formations
Stratigraphy
Mineral Resources
Subsurface Rocks
Ground-water Resources
Ground-water Recharge
Discharge
Availability
Chemical Character
Ground-water Regions
Records of Wells
Logs of Test Holes
References
|
|
Table 3
Table 3--Results of experimental production of lightweight aggregate from Lyon County Pennsylvanian shales.
| Sample No. |
Thickness Sampled, feet |
Thickness Available, feet |
Firing Temperatures, degrees F |
Unit Weight, lbs per cu ft |
Color of Crushed Aggregate |
| Initial Softening |
Optimum for Bloating |
Maximum Attained |
Crushed, unsized |
Crushed, sized |
| LY-1 |
15 |
30 |
2190 |
2220 |
2280 |
46.1 |
52.2 |
gray |
| LY-2 |
11 |
18 |
2140 |
2170 |
2240 |
48.7 |
55.1 |
gray |
| LY-3 |
12.5 |
25 |
2130 |
2140 |
2170 |
62 |
71.9 |
pink and gray |
| LY-4 |
11 |
11 |
2080 |
2120 |
2180 |
38.8 |
40.4 |
red and gray |
| LY-5 |
20 |
20 |
2200 |
2230 |
2250 |
61.5 |
76.6 |
dark gray |
| LY-6 |
14.5 |
22 |
2160 |
2175 |
2200 |
64.7 |
72.3 |
dark gray |
Back to Mineral Resources--Lightweight Aggregates
|
