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Albertite is a type of asphalt found in Albert County, New Brunswick. It is a type of solid hydrocarbon. It is a deep black and lustrous variety, and is less soluble in turpentine than the usual type of asphalt. It was from Albertite that kerosene was first refined. It was first truly studied by New Brunswick geologist Abraham Gesner, who had heard stories of rocks that burned in the area. == Formation == Albertite is formed from oil shale which has become remobilised into liquid asphalt. The process of formation is as follows; * Production of crude oil (petroleum) from source rocks (in the case of Albert Mines, oil shale) * Petroleum becomes trapped in an anticlinal culmination * The petroleum gradually leaks out through the weakly permeable cap rock, the lighter oils are released most easily, leaving the bituminous residues of tars, asphaltanes and so forth behind * Eventually, the lighter hydrocarbons are totally removed, leaving the solid residue behind as albertite 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Albertite」の詳細全文を読む スポンサード リンク
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