Vocabulary Entry

glauconite

|noun

noun

Glauconite is a greenish-colored mineral that is a variety of mica, commonly found in marine sediments.

Example Sentences

"Geologists often study glauconite to understand ancient marine environments."

"The rock formation was rich in glauconite, indicating it was formed underwater."

"Glauconite can provide valuable information about the geological history of an area."