Abstract: It is more difficult to identify metamorphic rocks than sedimentary rocks by well logs. In order to identify metamorphic rocks, eight types of well logs were chosen for the identification of ...

ABSTRACT: P-T trajectories based on depth-controlled metamorphism have been questioned by some scholars, as they only consider static rock pressure and ignore fluid pressure, tectonic stress, and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This object is part of the Education ...

Fluids exert a key control on the mobility of elements at high pressure and temperature in the crust and mantle. However, the prediction of fluid composition and speciation in compositionally complex ...

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 title ...

The rock cycle is a prime example of how Earth is truly dynamic. The three main rock types that compose the Earth’s lithosphere undergo continual transformation into one another due to geologic ...

This 1930s educational film explores the natural landscapes, geological formations, and agricultural practices of the time. It features scenes of farmers tilling soil, majestic mountain roads, ...

The world’s largest metamorphic rock oilfield has commenced production. The billion-tonne Phase I project of Bohai 26-6 started production on February 7, according to its developer, China National ...