Preston Island is a former artificial island in the

Firth of Forth The Firth of Forth () is the estuary, or firth, of several Scottish rivers including the River Forth. It meets the North Sea with Fife on the north coast and Lothian on the south. Name ''Firth'' is a cognate of ''fjord'', a Norse word meani ...

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...

. The reclaimed land was once used for salt production, using local coal. It is part of

Fife Fife (, ; gd, Fìobha, ; sco, Fife) is a council area, historic county, registration county and lieutenancy area of Scotland. It is situated between the Firth of Tay and the Firth of Forth, with inland boundaries with Perth and Kinross (i ...

History

Preston Island, south of

Low Valleyfield Valleyfield consists of High Valleyfield and Low Valleyfield which are neighbouring villages in Fife, Scotland, midway between Dunfermline and Kincardine-on-Forth. Low Valleyfield is on the shore of the Firth of Forth, High Valleyfield on the rid ...

in the

, was reclaimed by

Sir Robert Preston, 6th Baronet Sir Robert Preston, 6th Baronet (21 April 17407 May 1834)''Complete Baronetage''p. 427 was a Scottish merchant and politician. After making a fortune in the trade with East India, he became the member of Parliament for the constituency of Dover ...

in the early 19th century. A sea wall was constructed, followed by buildings and a

coal mine Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from ...

, producing coal for the production of

salt Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantitie ...

in saltpans on the island. Two further coal shafts were in development when a fatal

firedamp Firedamp is any flammable gas found in coal mines, typically coalbed methane. It is particularly found in areas where the coal is bituminous. The gas accumulates in pockets in the coal and adjacent strata and when they are penetrated the releas ...

explosion occurred in 1811, after which the mine was closed. Salt production continued for some decades, under lease from Preston. The buildings later housed an illicit distillery. Several well-maintained ruins remain. The 'island' is no longer surrounded by water, following further

land reclamation Land reclamation, usually known as reclamation, and also known as land fill (not to be confused with a waste landfill), is the process of creating new land from oceans, seas, riverbeds or lake beds. The land reclaimed is known as reclamati ...

, using

ash Ash or ashes are the solid remnants of fires. Specifically, ''ash'' refers to all non-aqueous, non- gaseous residues that remain after something burns. In analytical chemistry, to analyse the mineral and metal content of chemical samples, ash ...

from the nearby

Longannet power station Longannet power station was a large coal-fired power station in Fife, and the last coal-fired power station in Scotland. It was capable of co-firing biomass, natural gas and sludge. The station stood on the north bank of the Firth of Forth, nea ...

Footnotes

Islands of the Forth Former islands of Scotland History of Fife {{Fife-geo-stub