Brandy Bay
Coordinates: 50 ° 36 ′ 50 " N , 2 ° 9 ′ 22" W
Brandy Bay is a small secluded bay west of Kimmeridge , on the Isle of Purbeck peninsula , in the county of Dorset , on the south coast of England .
The name originated from the smuggling that took place there during the 17th and 18th centuries, including brandy .
location
Brandy Bay is about a kilometer south of the ghost village of Tyneham and about six kilometers south of Wareham . The bay is about 13 kilometers west of Swanage .
Brandy Bay is approximately two kilometers long and is surrounded by the high cliffs of Gad Cliff and Tynham Cap Hill . Wagon Rock is a large boulder that fell out of the top of the cliff. The pebbly beach was formed on the oil shale of the Jura .
The beach is only accessible on foot from the coastal path via Hobarrow Bay, or by boat, but access to Brandy Bay is prohibited to the public. The property is owned by the UK Department of Defense and is part of the Lulworth Military Range Armored Fighting Vehicles Gunnery School . The coastal path is open on weekends. Walkers are warned to stay on the footpath as duds will clear the surrounding area .
Jurassic Coast
Brandy Bay is part of the so-called Jurassic Coast . From Orcombe Point near Exmouth to Old Harry Rocks east of Studland Bay stretches a 155-kilometer stretch of coastline in east Devon and in Dorset , which was the first natural landscape in England to be included in the UNESCO World Heritage List .
The intricate geology of the Isle of Purbeck is evident in the Jurassic Coast. The rock formations along the coast fall Although generally a north, the axis of the parent fold structure of Purbeck Monoclinic but dive to the east. Therefore, the oldest part is found in the west of the area, the cliffs further east are built from younger rocks. The large-scale fold structure of the Purbeck Monocline is dominated by smaller special folds on a kilometer scale and disturbances .
The outcrops along the coast show a continuous sequence of geological deposits formed in the Triassic , Jurassic and Cretaceous periods and represent around 185 million years of geological history . The rocks are known for their fossils , including ammonites and remains of dinosaurs .
Geological sequence
The geological structure of Brandy Bay is determined by a pleated saddle dipping to the north . Due to the flat, suitcase-like shape of the saddle, the rock layers in Brandy Bay run almost east-west and thus parallel to the west side of the bay. In the east the stratification is almost horizontal. Due to the generally shallow dip, the sequence of layers is particularly well exposed in the west of the bay.
The rocks exposed in Brandy Bay are divided into four layer sequences. The uppermost layer form the Purbeck Beds (Purbeck layers), which were deposited about 147 million years ago. Below is the Portland Limestone (Portland Limestone), about 150 million years old. It lies in turn over the Portland Sands (Portland sandstone), and at the base follows the approximately 155 million year old layer sequence of the Kimmeridge Clay (Kimmeridge clay of the Kimmeridgian ).
The Kimmeridge Clay can be further broken down in Brandy Bay. The shallow ridge below the cliffs between Brandy Bay and Hobarrow Bay is called Long Ebb Reef . From there to the northwest the following rock layers are present: Washing Ledge ( dolomite ), Maple Ledge (also dolomite), Cattle Ledge , Gray Ledge and finally the Blackstone (an oil shale ) to which the Whitestone band contains consisting coccolith is established . Due to the fact that the harder limestone and sandstones on top are underlain by an unstable sequence of clay, the cliffs are prone to landslides .
See also
Individual evidence
- ↑ Safety and access restrictions: Lulworth ranges . Retrieved November 16, 2010.
- ^ Dorset and East Devon Coast . UNESCO World Heritage Center. 2001. Retrieved November 16, 2010.
- ^ Geology of the Wessex Coast of Southern England . Southampton University, UK. By Ian West. 2010. Retrieved November 16, 2010.