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・ Gornja Otulja
・ Gornja Paka
・ Gornja Paklenica
・ Gornja Papratnica
・ Gornja Pačetina
・ Gornja Peščanica
・ Gornja Pištana
・ Gornja Ploča
・ Gornja Poljana
・ Gornja Pološnica
・ Gornja Prekopa
・ Gornja Presjenica
・ Gornja Previja
・ Gornja Prisika
・ Gornal Halt railway station
Gornal stone
・ Gornal, West Midlands
・ Gornalunga
・ Gornam
・ Gornate-Olona
・ Gornau
・ Gornaya Karusel
・ Gornaya Shoria megaliths
・ Gornaya Shoriya
・ Gornaya Shoriya mine
・ Gorne-Uspensky Convent
・ Gornemant
・ Gornenskoye Urban Settlement
・ Gorner Glacier
・ Gornergrat


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Gornal stone : ウィキペディア英語版
Gornal stone

Gornal stone is a sandstone which originates from the Gornal area of Central England.〔http://www.craftsintheenglishcountryside.org.uk/pdfs/Heritage%20Building.pdf page 46〕
The stone was quarried in the Lower Gornal area mostly. Quarrying came to a halt in the 1950s. At the peak of the quarrying, almost all buildings in the Sedgley manor (which also included the villages of Coseley, Woodsetton and Ettingshall) were built from Gornal stone, and numerous examples of the recognisable yellow rock remain, including several churches, houses and numerous old walls. The stone was used in the industrial development of the Black Country. It was almost 100% Silica (silicon dioxide) and had a high melting point. When ground into sand and mixed with fire clay it formed a refractory coating widely used in the steel industry to the west of Birmingham. This sandstone contained some of the earliest known Trilobite fossils.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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