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fossil-copalFOSSIL-COPAL, n. Highgate resin; a resinous substance found in perforating the bed of blue clay at Highgate, near London. It appears to be a true vegetable gum or resin, partly changed by remaining in the earth. |
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fossil-copalFOSSIL-COPAL, n. Highgate resin; a resinous substance found in perforating the bed of blue clay at Highgate, near London. It appears to be a true vegetable gum or resin, partly changed by remaining in the earth. |