sentences:  Elevations vary from 101m in the south east corner of the relatively rectangular area to 59m AOD where the Burstow stream leaves in the north west corner of the parish.Across the northern part of the parish a ridge of higher land runs from east to west, formed by a bed of Paludina limestone.It yields stone, usually called Sussex marble, which is susceptible of being polished; but, as is generally the case in the Surrey examples of this stone, it is too friable for architectural work.