Bituminous coal world's navies and today stokes steel mills and power plants all over the globe. Bituminous coal Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. It is of higher quality than lignite coal but of poorer quality than anthracite. Formation is usually the result of high pressure being exerted on lignite. Its coloration can be black or sometimes dark brown; often there are well-defined bands of bright and dull material within the seams. These distinctive sequences, which are classified according to either "dull, bright-banded" or "bright, dull-banded", is how bituminous coals
Coal Island, New Zealand is one of only nine islands in the area that is completely free of introduced mammalian pests. Since then, endangered endemic birds such as tokoeka (Haast brown kiwi) and mōhua (yellowhead) have been released on the island. Coal Island, New Zealand Coal Island is an island in Fiordland, in the southwest of New Zealand's South Island. Its Māori name is Te Puka-Hereka Island, which translated means The Tied Anchor, but the island is commonly known as Coal Island. Situated at the southern end of Fiordland's west coast, Coal Island lies in the entrance to Preservation Inlet, between Puysegur Point and