A report on Chalk Group and Dorset Downs

Brass Point, one of the Seven Sisters
The top of the downs from above Cerne Abbas, looking south east towards the River Piddle valley
The Needles, (Isle of Wight); part of southern England's extensive chalk outcrop.
Map of Dorset, including the Dorset Downs, showing the geology
Fossil echinoid Echinocorys from the Chalk Group of England
Contact between two units of the lithostratigraphy of South England: the Chalk Group (left, white, upper unit) and the Greensand Formation (right, green, lower unit). Location: Lulworth Cove, near West Lulworth, Dorset, England.
The Wealden Anticline.
Ivinghoe Beacon, Chiltern Hills

The downs are the most western part of a larger chalk formation which also includes (from west to east) Cranborne Chase, Salisbury Plain, Hampshire Downs, Chiltern Hills, North Downs and South Downs.

- Dorset Downs

The broadly western margin of the Chalk outcrop is marked, from northeast to southwest, to south by the Chalk downlands of the Yorkshire Wolds, the Lincolnshire Wolds, a subdued feature through western Norfolk, including Breckland, the Chiltern Hills, the Berkshire Downs, Marlborough Downs and the western margins of Salisbury Plain and Cranborne Chase and the North and South Dorset Downs.

- Chalk Group
Brass Point, one of the Seven Sisters

2 related topics with Alpha

Overall

Stonehenge, the most famous antiquity on Salisbury Plain

Salisbury Plain

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Chalk plateau in the south western part of central southern England covering 300 sqmi.

Chalk plateau in the south western part of central southern England covering 300 sqmi.

Stonehenge, the most famous antiquity on Salisbury Plain
Rough map of military training area (green) on Salisbury Plain within Wiltshire (blue) (it accounts for about half the area of Salisbury Plain)
Stonehenge, on Salisbury Plain
Military use makes some areas of the plain inaccessible to the public.
Typical grassland at Netheravon Down.
The burnt-tip orchid (Neotinea ustulata) can be found on Salisbury Plain
The Duke of Burgundy butterfly (Hamearis lucina)
The cuckoo bee Nomada armata
The fairy shrimp Chirocephalus diaphanus
The stone curlew

It is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and largely lies within the county of Wiltshire, but stretches into Hampshire.

The Hampshire Downs and the Berkshire Downs are chalk downland to the east and north of Salisbury Plain, and the Dorset Downs and Cranborne Chase are to the southwest.

Location of the Cranborne Chase and West Wiltshire Downs AONB in the UK

Cranborne Chase

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Chalk plateau in central southern England, straddling the counties Dorset, Hampshire and Wiltshire.

Chalk plateau in central southern England, straddling the counties Dorset, Hampshire and Wiltshire.

Location of the Cranborne Chase and West Wiltshire Downs AONB in the UK
Ashmore pond
Badbury Rings hill fort

The plateau is part of the English Chalk Formation and is adjacent to Salisbury Plain and the West Wiltshire Downs in the north, and the Dorset Downs to the south west.