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Asphalt industry in Trinidad
The Asphalt industry in Trinidad is located at the Pitch Lake at the town of La Brea in southwestern Trinidad and it has gained a reputation for itself as the world's largest deposit. The Pitch Lake is considered a tourist attraction and attracts about 20,000 visitors annually. It is also mined for asphalt by Lake Asphalt of Trinidad and Tobago.
==Origin and deposits==
Asphalt, according to Sir Walter Raleigh speaking on March 22, 1595, the Pitch Lake will be beneficial to our growing economy. The asphalt industry is the second most important mining activity after petroleum. The industry is a government-owned state enterprise. This natural deposit of asphalt or pitch is of volcanic origin. The lake covers about 46 ha and is reported to be 76 m deep with a maximum of 87 m in the center. Deposits are estimated to be 6.1 million tonnes. The deposits occur in a syncline less than one km from the sea.this asphalt is used for roads fixing ships etc.
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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