"The reason for the use of Italian marble, if my memory serves correctly, is
that there are no marble deposits in Britain of the quality of that found in
Italy. I believe that comes anywhere near as close, from the
Portland/Purbeck area, is so poor in quality as to have rendered it useless
for ornamental work."
I believe that a form of marble (Hopton Wood Marble) was mined in Derbyshire
during the Roman period and shipped to London and several other sites in the
south east. I also remember that Mexborough Stone, also known as York Stone,
and by several other names (a form of carboniferous sandstone, identified to
quarries of origin through petrological analysis) was quarried in several
areas of South Yorkshire and shipped to Doncaster, York, London and the
Continent. Details of some of the north midland quarries were mentioned in
an article I think by Paul Buckland on stone in York, from the Roman period.
One of the problems with identifying Roman quarries, especially in the
Midlands, is the fact that most of them were re-worked from post-medieval
period onwards, destroying the Roman faces, so some of the quarries are only
tentatively identified through petrological analysis, rather than through
surviving Roman quarry inscriptions.