What is gilsonite?
Gilsonite ore is mined in underground shafts and look like shiny black obsidian. Initially discovered in the 1860s, about twenty-five years later in the mid-80’s, Samuel H. Gilson promoted it as a varnish, electrical insulator, and waterproofing complex.
Different types of asphalt
There are several small deposits of asphalt on the island of Trinidad, but it is the lake in the southern part of the island that constitutes one of the largest deposits in the world.
Natural bitumen
Natural bitumen is similar to a hard crude oil bitumen and refers to natural, non-crystalline and viscous black or dark brown hydrocarbon materials.
What Is Bitumen ?
What Is Bitumen ? Bitumen is a multifunctional construction material with a diverse range of characteristics. This article,...