Talk:Brisbane City Hall
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In earlier times it was a common practical joke among Brisbanites to take unsuspecting visitors up the tower just before the clock struck the hour, as the observation platform is located just below the massive bells.
There is considerable misunderstanding in Brisbane, even in "official" circles, about the type of stone used to clad Brisbane buildings, such as the City Hall and the buildings at the University of Queensland. They are clad in stone quarried at Helidon. The stone is a form of metamorphised sandstone, that is, sandstone (which is sedimentary), which has been exposed to considerable geothermal heat and some pressure, to form a harder stone. The process is analogous to the formation of marble (metamorphic) from limestone (sedimenary). In older, better researched "official" information, the rock was referred to as "Helidon Freestone", but "freestone" merely means that it's suitable for masonry.
By comparison Sydney's older buildings tended to be clad in sandstone, and one can easily see the difference. Sydney's sandstone buildings tend to crumble; Brisbane's buildings do not, although they have tended to be demolished in the middle of the night. But that's another story.
