Definitions
There is 1 meaning of the phrase
Humic Shale.
Humic Shale - as a noun
Shale that is rich in humic acids
Example Sentences
"Researchers are studying the formation of humic shale in order to better understand ancient environments."
"The extraction of oil and gas from humic shale has become increasingly important in recent years."
"Certain microorganisms can thrive in the unique conditions found in humic shale."
"The humic shale layer in this region is estimated to be millions of years old."
"The rich black color of humic shale comes from the decayed plant and animal matter it contains."
