Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

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

Places such as Purgatory Chasm and Millstone Hill, in Worcester's Green Hill Park, bear witness to the work of the glaciers.

Igneous rock is formed by the cooling of molten rock, either at the surface (lava), or underground (as granite or other similar rocks).The heat of molten rock usually incinerates organisms rather than ...

These rocks really shouldn't be there. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The surprising discovery of volcanic, "igneous ...

Igneous Rock Phosphate: ore grades, concentrates and mining operations around the world. Drs. Sandeep Banerjee, Peir K. Pufahl, Sarah Dare Department of Geological Sciences and Engineering, Queen ...

While the formation of sedimentary rock is perfect for the preservation of fossils, the formation of igneous and metamorphic rock isn’t so suited, resulting in the removal of the traces of ancient ...

Sodalite forms in igneous rocks that crystallized from sodium-rich, silica-poor magmas. That’s how it got its name—soda + lithos, or “sodium stone," according to Rock Your World gem & art ...