Western Rocks, Isles of Scilly
Encyclopedia
Western Rocks is a group of uninhabited islands in the Isles of Scilly
, United Kingdom
.
They are located south-west of St Mary's, with Annet
and St Agnes
immediately to their north-east and Bishop Rock to their west. The larger islands in this archipelago
are, from north to south: Great Crebwethan, Rosevear, Rosevan, Daisy and Pednathise Head. Rosevear Ledge and the Gilstone Reef are just to the west of this group. Smaller islands within the Western Rocks are: Codnors Rocks, Crebwethan, Jolly Rock, Jacky's Rock, Silver Carn, Gorregan and Melledgan. All of these islet
s are composed of granite
rock of late Carboniferous
age. The islands are largely protected as nature reserve
s and wildlife refuge
s.
Throughout history, the Western Rocks have witnessed a great number of the shipwrecks recorded in the Isles of Scilly. Particularly the Gilstone Reef has been the cause of many maritime disasters, most notably the sinking of Admiral Sir Cloudesley Shovell
's flagship HMS Association in the naval disaster of 1707
.
Isles of Scilly
The Isles of Scilly form an archipelago off the southwestern tip of the Cornish peninsula of Great Britain. The islands have had a unitary authority council since 1890, and are separate from the Cornwall unitary authority, but some services are combined with Cornwall and the islands are still part...
, United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
.
They are located south-west of St Mary's, with Annet
Annet, Isles of Scilly
Annet is the second largest of the fifty or so uninhabited Isles of Scilly, one km west of St Agnes with a length of one km and approximately 22 ha in area. The low lying island is almost divided in two by a narrow neck of land at West Porth which can, at times, be covered by waves...
and St Agnes
St. Agnes, Isles of Scilly
St Agnes is the southernmost populated island of the Isles of Scilly, England, United Kingdom.-Description:St. Agnes joins the island of Gugh by a tombolo, a kind of sandbar, called the Gugh Bar, which is exposed only at low tide...
immediately to their north-east and Bishop Rock to their west. The larger islands in this archipelago
Archipelago
An archipelago , sometimes called an island group, is a chain or cluster of islands. The word archipelago is derived from the Greek ἄρχι- – arkhi- and πέλαγος – pélagos through the Italian arcipelago...
are, from north to south: Great Crebwethan, Rosevear, Rosevan, Daisy and Pednathise Head. Rosevear Ledge and the Gilstone Reef are just to the west of this group. Smaller islands within the Western Rocks are: Codnors Rocks, Crebwethan, Jolly Rock, Jacky's Rock, Silver Carn, Gorregan and Melledgan. All of these islet
Islet
An islet is a very small island.- Types :As suggested by its origin as islette, an Old French diminutive of "isle", use of the term implies small size, but little attention is given to drawing an upper limit on its applicability....
s are composed of granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...
rock of late Carboniferous
Carboniferous
The Carboniferous is a geologic period and system that extends from the end of the Devonian Period, about 359.2 ± 2.5 Mya , to the beginning of the Permian Period, about 299.0 ± 0.8 Mya . The name is derived from the Latin word for coal, carbo. Carboniferous means "coal-bearing"...
age. The islands are largely protected as nature reserve
Nature reserve
A nature reserve is a protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research...
s and wildlife refuge
Wildlife refuge
A wildlife refuge, also called a wildlife sanctuary, may be a naturally occurring sanctuary, such as an island, that provides protection for species from hunting, predation or competition, or it may refer to a protected area, a geographic territory within which wildlife is protected...
s.
Throughout history, the Western Rocks have witnessed a great number of the shipwrecks recorded in the Isles of Scilly. Particularly the Gilstone Reef has been the cause of many maritime disasters, most notably the sinking of Admiral Sir Cloudesley Shovell
Cloudesley Shovell
Admiral of the Fleet Sir Cloudesley Shovell , was an English naval officer. Rising through the ranks and fighting in many of the important battles of the late 17th and early 18th centuries, he became a popular British hero, whose celebrated career was brought to an end in a disastrous shipwreck in...
's flagship HMS Association in the naval disaster of 1707
Scilly naval disaster of 1707
Scilly naval disaster of 1707 is an umbrella term for the events of 22 October 1707 that led to the sinking of a British naval fleet off the Isles of Scilly. With four large ships and more than 1,400 sailors lost in stormy weather, it was one of the greatest maritime disasters in the history of...
.