What kind of stone was used for the construction of the Panthenon's dome in Rome?

marble
sandstone
granite
pumice
The porous light stone was used in the concrete of the dome to reduce its weight. Sci­en­tists es­ti­mat­ed that, if normal weight concrete had been used through­out, the stresses in the arch would have been some 80% greater. The same tech­nique was for the ceilings of the Colos­se­um.

Answers distribution

marble
sandstone
granite
pumice
answers
flagGermany
6%
34%
3%
56%
32
flagthe Netherlands
0%
36%
18%
45%
11
flagRussia
14%
18%
14%
40%
27
flagthe United States
4%
36%
18%
40%
22
flagIndia
20%
13%
26%
40%
15
flagthe United Kingdom
25%
13%
22%
38%
59
flagPoland
20%
30%
16%
32%
2081
flagUnknown
34%
29%
16%
19%
142

Gender

men27%
women28%
marble
22%
15%
sandstone
32%
37%
granite
17%
18%
pumice
27%
28%

Details

Author: globalquiz.org
Illustration: steve p2008
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