The Horse Block is a

sea stack A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. Stacks are formed over time by wind and water, processes of coastal geomorphology ...

of the

Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubouze ...

.Strange, Ian (1983) ''The Falkland Islands'' It is situated off the southwest coast of

Weddell Island Weddell Island ( es, Isla San José) is one of the Falkland Islands in the South Atlantic, lying off the southwest extremity of West Falkland. It is situated west-northwest of South Georgia Island, north of Livingston Island, northeast of Ca ...

, 1.8 km southwest of Pillar Bluff.

Geology

Sea stacks are particularly common along the west of the Falklands due to the tidal swell, and the erosive, battering action of the Falkland Current. The stack is named for its resemblance to a horse in silhouette.

Maps

* ''The Falkland Islands''. Scale 1:401280 map. London: Edward Stanford, 1901 * Falkland Islands Explorer Map. Scale 1:365000. Ocean Explorer Maps, 2007 * Falklands Topographic Map Series. Scale 1:50000, 29 sheets. DOS 453, 1961-1979
Falkland Islands.
Scale 1:643000 Map. DOS 906. Edition 3-OS, 1998
''Map 500k--xm20-4''.
1:500000 map of Weddell Island and part of West Falkland. Russian Army Maps (for the world)

Scale 1:1500000 chart. Gps Nautical Charts, 2010
Illustrated Map of Weddell Island

Gallery

File:Weddell-Island-Map-1901.png, Old map of Weddell Island featuring Horse Block Weddell-Island-Map.png, Map of Weddell Island

Notes

References

* B. Stonehouse (ed.). ''Encyclopedia of Antarctica and the Southern Oceans''. Chichester, West Sussex: John Wiley & Sons, 2002. 404 pp. * C.H. Barnard
''A Narrative of the Sufferings and Adventures of Capt. Charles H. Barnard, in a Recent Voyage Round the World, Including an Account of His Residence for Two Years on An Uninhabited Island''.
New York: J.P. Callender, 1836 * P.P. King and R. Fitzroy
''The South America Pilot''.
''Part II. From the Rio de la Plata to the Bay of Panama, including Magellan Strait, the Falkland, and Galapagos Islands''. Fifth Edition. London: Printed for the Hydrographic Office, Admiralty, 1860. pp. 116–118

External links

Weddell Island Official Website

Weddell Island from space.
NASA Johnson Space Center, 30 April 2005 Uninhabited islands of the Falkland Islands Stacks (geology) {{Weddell-Island-geo-stub