What is the meaning of humic shale?

noun

  • Shale that is rich in humic acids. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). humic shale. Retrieved September 21, 2026, from http://smartdefine.org/humic_shale/definitions/1249433
ChicagoWordNet. 2010. "humic shale" http://smartdefine.org/humic_shale/definitions/1249433 (accessed September 21, 2026).
HarvardWordNet 2010, humic shale, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/humic_shale/definitions/1249433>.
MLAWordNet. "humic shale" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/humic_shale/definitions/1249433>