Hardground

Noun

Word Frequency: 0.0

Definitions

1.NounA lithified seafloor.

"Ancient hardgrounds are found in limestone sequences and distinguished from later-lithified sediments by evidence of exposure to normal marine waters."

2.NounA hard stratum of rock other than coal.

Synonyms

hardrock baserock basement bedrock floor hardpan lithogenesis host rock terrain geomaterial lithification hardveld

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