Yooperlites can be found as loose pebbles and cobbles along many Lake Superior beaches and even in some inland gravel pits.

Day, BYU geologists uncover lingering WWII shrapnel on Normandy beaches to study how history still shapes the coastline today ...

Researchers reveal a dynamic geologic past for Antarctica’s Transantarctic Mountains, uncovering ancient mountain-building ...

Volcanic blast which sent tourists fleeing was most powerful in four years - Footage shared on social media shows huge clouds ...

The scientists dated the rocks using zircon, a mineral in gneiss, the GSA said. "Dating zircon grains using ... techniques is now celebrated as the optimal method for determining when igneous ...

Granite and other rocks made from recycled magma Igneous rocks ... that cooled and partially re-melted over and over—the minerals like quartz in granite melt easily, so they liquefy and separate ...

The event is hosted by the Black Hawk Gem and Mineral Society, an organization that has been in place since the mid-1950s. Every April for the past 20 years, a wide range of rocks, minerals ...

Because these crater floor samples came from igneous rocks forged in lava flows ... Jezero appeared to have deposits of minerals called carbonates along the crater rim. “From orbit it almost ...

what story their rocks tell. Anderson will share some of his stories at the Gem, Mineral & Fossil Show – put on by the Black Hawk Gem & Mineral Society – at the Waterloo Center for the Arts ...

The film also covers the formation of different types of rocks—igneous, sedimentary, and metamorphic—and highlights the economic value of minerals, mining practices, and the importance of ...

Rare earths have been thrust into the spotlight as a deal granting the US access to Ukraine’s mineral resources ... The metals are found in some igneous rocks and clay deposits all over the ...