I live in karst country. Karst is limestone bedrock that has pockets
and perforations caused by water containing carbon dioxide, which is
acidic, gradually dissolving the limestone and forming caves.
Marble is basically limestone. The same process that nature uses to
create caves works on your countertops, too - an acidic liquid working
on the limestone, first etching it, then eating pockets and gaps.
For that reason, marble is not a good material to use as an
all-purpose work surface.
I'm surprised the installer or supplier didn't try to gently persuade
you to consider another material for kitchen countertops. They had to
have known that it wouldn't be suitable for the kitchen. Or was this a
SWMBO and I recently took a hike through a gorge in a state park.
Because of the drought, we were able to walk in the gorge itself
instead of on the "Gorge Trail" that ran next it. We walked "in" in
the gorge and "out" on the trail, mainly to get out of the sun.
As we were walking in I noticed the rippled rocks on the bottom of the
gorge and mentioned to SWMBO how amazing it was that the millions of
years of flowing water had formed thousands of these small
As we were walking out I stopped to read one of the information
plaques that had been set up on the gorge trail. It turned out that I
was wrong and that the indentations had been caused by the acidic rain
pooling on the limestone and eating it away.
I would have prefered the cause to be the power of the river wearing
away the rock, but I guess nature has many other ways of wearing
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