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Origin of coalPlant matter. It is generally accepted that most coals formed from plants that grew in and adjacent to swamps in warm,humid regions.The fossil record. Anthracite (the highest coal rank) material,which appears to have been derived from algae,is known from the Proterozoic Eon (approximately 2.5 billion to 541 million years …Peat. …Coalification. …
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How is coal formed from plants?
Heat and pressure produced chemical and physical changes in the plant layers which forced out oxygen and left rich carbon deposits. In time, material that had been plants became coal. Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite.
What environments or conditions under which these coals were formed?
The environments or conditions under which these coals were formed: anthracite coal, bituminous coal, lignite? Coal formed millions of years ago when the earth was covered with huge swampy forests where plants – giant ferns, reeds and mosses – grew. As the plants grew, some died and fell into the swamp waters.
What is the history of coal?
Coal formed millions of years ago when the earth was covered with huge swampy forests where plants – giant ferns, reeds and mosses – grew. As the plants grew, some died and fell into the swamp waters. New plants grew up to take their places and when these died still more grew.
What is the main component of coal?
The main component of coal is carbon, along with the quantity diversity of elements, mainly hydrogen, sulfur, oxygen, and nitrogen. Coal is a fossil fuel. Coal is formed by the compacted traces of plants living in marshes 250-350 million years ago.
