Crustal growth and mantle differentiation through Earth's history are often traced using two radiogenic isotope systems - Lu-176-Hf-176 and Sm-147-Nd-143. Unlike most post-Archean igneous rocks that ...

In a recent study, geologists say Michigan is home to the oldest known rock in the nation. Watersmeet gneiss is found in Michigan's Upper Peninsula. Minnesota's Morton gneiss previously held the ...

Mariska Hargitay Rocks Minnesota Merch On Easter. The star gave another shoutout to the Land Of 10,000 Lakes in her caption, hashtagging #minnesotaincalifornia after she sent sent well Easter wishes ...

Spaces are limited, so we are not advertising our Zoom links publically, but you're welcome to join! Just email Alycia Alexander ([email protected]) for information. Highly siderophile ...

Diurnal or seasonal variations are not considered. Sediment types are not considered. Due to these reasons, the laboratory model of an Archean paleoenvironment and the life therein is too simplistic.

Cool Whip remains a holiday favorite for topping desserts. Its inventor, William A. Mitchell, was born in Raymond, Minnesota in 1911. Cool Whip is shown on display in a Cash Wise Foods freezer in ...

The Archean space rock in that impact, dubbed “S2,” was 50 to 200 times larger—big enough to blast at least 10,000 cubic kilometers of vaporized rock into the skies that then recondensed ...

Plus, rocks have an illustrious history in greater Minnesota. Iron ore, used to make steel, fed and clothed generations of Iron Rangers. There are agates, beloved by North Shore visitors and the ...

Anorogenic granites (e.g., Central de Carajás and Cigano plutons) of 1888 Ma intruded the Archean rocks (Machado et al. 1991, Macambira and Lafon 1995) and Paleoproterozoic sandstones from the Águas ...