Definitions - q


A small area set aside for ecological study.

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A hexagonally latticed silicon dioxide mineral. A chief component of sand and therefore sandstone. It is the second most abundant mineral after feldspar and is common in continental crust but rarer in oceanic crust.

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Quaternary Sector
That portion of a region's economy devoted to informational and idea-generating activities (e.g., basic research, universities and colleges, and news media).

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