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delimiting line of the alluvium, on the north side of the Woolwich
Road, about two hundred yards westerly of Anchor and Hope
Lane; thence, for its northern margin, it follows the southern
delimiting line of the alluvium to Pelton Road, whence to Greenwich
Pier the gravel reaches along the River Bank itself, thence
again following this line right up to the boundary of the Borough
of Lewisham; for the southern delimiting line of the gravel we
pass from the point where the gravel begins on the east almost
immediately over Woolwich Road, in a direct line to the Westcombe
Park Station, thence following fairly closely the line of the
Southern Railway until Vanbrugh Hill is reached, whence it passes
to the south side of that Railway and continues in almost a
direct line to the old Greenwich Park Station premises, thence
following on to the old Blackheath Hill Station to join the northern
delimiting line near the Borough boundary.
A geological fault occurs in the gravel bed and extends in a
line running almost centrally through the whole bed as it exists
in this Borough, a somewhat narrow strip of chalk is found
running almost parallel to the Southern Railway, commencing
where that line enters the eastern boundary of the Borough and
extending in area for about two hundred yards to the north and
south of that line, stopping at a point about four hundred yards
west of Westcombe Park Station.
A small area of chalk is found again on Blackheath Hill,
extending about five hundred yards north and south of old Blackheath
Hill Station premises and for two hundred yards east of
same. A small pocket of chalk is also found on the Southern
Railway line just east of Vanbrugh Hill.
The lower London tertiaries are found throughout practically
the whole of the remaining portion of Charlton, extending westward
along the southern delimiting line of the chalk and gravel
passing along the southern boundary of the Borough, across
Blackheath to Blackheath Village and Lee Green, thence roughly
from Weigall Road to the eastern end of Blackheath Park, thence
to Charlton Park Lane and along same to the Borough boundary.