close coal surface with rough layered texture the appears dark black |
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| navigate by keyword : years wood white wall used uneven type trunk tree texture terrain surface soil showcasing shiny sheen sedimentary ruins rough rock reflective production process plant photograph nature natural monochrome millions material layers layered iron highlighting geology fuel fossil formation floor energy darkness dark compacted coal closeup black appears aigenerated |
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| Close-up of a coal surface with a rough, layered texture. The coal appears dark black with a shiny, reflective sheen, highlighting its sedimentary nature. The layers are uneven, showcasing the natural formation process of compacted plant material over millions of years. This type of coal is used primarily as a fossil fuel and is significant in energy production. |
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