glauconite in English
noun
1
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.
Use "glauconite" in a sentence
Below are sample sentences containing the word "glauconite" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "glauconite", or refer to the context using the word "glauconite" in the English Dictionary.
1. Hydrogenous (Authigenous) sediment-Formed by the precipitation of chemicals in sea water (sometimes with bacteria) ex: manganese nodules, phosphorites, glauconite
2. 21 On the basis of riddling various nonmetal minerals and the application test of bentonite, zeolite, apatite, vermiculite, glauconite, expanded pearlite etc.
3. Moreover, thin-section preparations of sample aliquots showed that the glauconite grains contain biotite-relics, which might account for the elevated absolute ages.