Past Wye and Canterbury, to meander through the lowlands representing the former channel which isolated the Isle of Thanet from the mainland.
In the south-east, however, the Blackheath and Woolwich pebble-beds appear, with their belts of Thanet sands bordering the chalk.
On well-guarded strongholds like Thanet or Sheppey in England, Noirmoutier at the Loire mouth, or the Isle of Walcheren, they defied the local magnates to evict them.
The Thanet beds resting on chalk form a narrow outcrop rising into cliffs at Pegwell Bay and Reculver, and consist (1) of a constant base bed of clayey greenish sand, seldom more than 5 ft.
A considerable acreage is under beans, and in Thanet mustard, spinach, canary seed and a variety of other seeds are raised.
The sea-face of Thanet consists mainly of bold slopes or sheer cliffs, and the eastern extremity is the fine headland of the North Foreland.
MARGATE, a municipal borough and seaside resort in the Isle of Thanet parliamentary division of Kent, England, 74 m.
RAMSGATE, a municipal borough, watering-place, seaport and member of the Cinque Port of Sandwich, in the Isle of Thanet parliamentary division of Kent, England, 79 m.
The middle series of the Lower Tertiaries, known as the Woolwich and Reading beds, rests either on the Thanet beds or on chalk, and consists chiefly of irregular alternations of clay and sand of very various colours, the former often containing estuarine and oyster shells and the latter flint pebbles.