Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...

The Perseverance rover finds a mysterious black rock on Mars, “Skull Hill,” which intrigues scientists because of its ...

When you are in the market for a new kitchen countertop, it is best to do your research before installing, especially when ...

Yooperlites can be found as loose pebbles and cobbles along many Lake Superior beaches and even in some inland gravel pits. The stones are derived from igneous rocks near Marathon, Ontario , known as ...

Researchers reveal a dynamic geologic past for Antarctica’s Transantarctic Mountains, uncovering ancient mountain-building and glaciation events hidden beneath the ice. A new study led b-Oshkosh geolo ...

Classically, granites are separated into two broad categories—“I-type” vs. “S-type”—representing different igneous vs. (meta)sedimentary rock sources for melting. Their geochemistry differs for ...

Farley, K A; Stack, K M; Shuster, D L; Horgan, B H N; Hurowitz, J A; Tarnas, J D; Simon, J I; Sun, V Z; Scheller, E L; Moore, K R; McLennan, S M; Vasconcelos, P M ...

Sodalite forms in igneous rocks that crystallized from sodium-rich ... In normal light, a Yooperlite looks like granite. Sodalite replaces quartz, so the larger the mineral size, the brighter ...