Definition of glauconite in English:
A greenish clay mineral of the illite group, found chiefly in marine sands.
- At the base of the Reading Formation are several metres of brown clay-rich sand with glauconite, flint pebbles and oyster shells.
- In addition, colors that can be produced by using mixtures of the just-mentioned basic pigments, in some cases along with glauconite and charred bone, are also noted and illustrated.
- Rounded 1 mm grains of glauconite occur in the Pentecost Sandstone.
Definition of glauconite in:
- US English dictionary
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