Relating to or containing coal-stone or coal-bearing rock formations.
From anthracis (Greek 'coal') + lithos (Greek 'stone'). This geological term combines coal terminology with stone description, popular in 19th-century mineralogy.
Anthracolithic formations are like nature's library—the rocks themselves tell the story of ancient swamps and forests that became coal, so geologists read them like pages in Earth's history book.
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