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asphalt) is a heavy hydrocarbon formed directly from crude oil reserves, it is produced when the volatile elements of crude oil are evaporated under immense pressure during many years and with specific physical and geographical conditions, therefore gilsonite is in solid shape with dark color and high carbon...
asphalt) is a heavy hydrocarbon formed directly from crude oil reserves, it is produced when the volatile elements of crude oil are evaporated under immense pressure during many years and with specific physical and geographical conditions, therefore gilsonite is in solid shape with dark color and high carbon...
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