作者：
作者單位：
刊名：The Refractories Engineer
ISSN：1362-4547
出版年：2009-01-05
卷：
期：9
起頁：12
止頁：14
分類號：TQ175.7
語種：英文
關鍵詞：
內容簡介The story for the Scottish refractories industry starts perhaps some 300 million years ago in the Carboniferous Age. At this time there were areas of the earth's surface where enormous trees, ferns and vegetation flourished in alluvial soils, swamps and even in very shallow seas. One such area which was located at latitude and longitude which today would be occupied by the northern Mediterranean under went very considerable transformation. Due to heavy compaction and transportation due to continental drift and the effect of the ice ages part of this now comprises the Forth Clyde valley of central Scotland. Clays which were originally the alluvial soils in the Carboniferous age are present in a broad band about 50 miles wide lying roughly on a Southwest Northeast axis from the Ayrshire coast to Fife. Overlying these clays are extensive coal seams so Scotland was doubly blessed in having not only high quality clays but the source of energy to convert them to finished product and in addition power the end users of the refractories which were produced. The highest quality clays as defined by the alumina content were found in the southwest near Dairy in Ayrshire and the higher siliceous materials in the northwest near Cuiross in Fife.
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