"The top of the Buller's Hill Gravel is in part removed by erosion, forming the modern land surface; elsewhere the flint-rich gravel of the Buller's Hill Gravel is succeeded by recent Head deposits of mixed lithology."@en . . "59.2"^^ . "BHGR"@en . . . . . "Up to 21 m."@en . . "The Buller's Hill Gravel, flint-rich gravels (as described in the lithology description) succeed the Tower Wood Gravel - a deposit of unbedded closely-packed unabraded flints in a matrix of clay and some sand. The boundary is marked by an unconformity and a variation in colour, with the overlying Buller's Hill Gravel being pale brown or pale grey, but typically darker than the underlying Tower Wood Gravel."@en . "Unbedded, abraded flint gravels with subordinate clay bodies and sand beds. Flint fragments are up to 0.3m diameter, fragments of vein quartz, schorl (rock composed of tourmaline and quartz), quartzite and thermally-altered Carboniferous shale and chert are also present. This unit is interpreted to have been deposited in a fluvial environment; analysis of the clay matrix by Hamblin (1973) indicated incorporation of material reworked from the Tower Wood Gravel, and from Upper Palaeozoic rocks."@en . "Buller's Hill Gravel Member"@en . . "Bovey Beds [Obsolete: use AGR, BHGR]"@en . "Buller's Hill Gravel Member"@en . "stable"@en . "Tertiary Beds [Obsolete: use BHGR]"@en . "Buller's Hill Gravel Formation [Obsolete: use BHGR]"@en . . "Buller's Hill Gravel [Obsolete: use BHGR]"@en . . "37.7"^^ . . . "Gravel with subsidiary clay and sand. Stratified bedrock. Occurs onshore. Deposited during the Thanetian Age - to - Bartonian Age (Palaeogene Period) (59.2-37.7 Ma BP)."@en . "Haldon Gravels [Obsolete: use BHGR]"@en .