The processes that form continental crust from the denser basaltic rocks of the upper mantle may make the lower lithosphere ...

These categories constitute a greater range of frozen-ground features than are commonly described in rock-glacier surveys. Although granitic substrates dominate the Sierra Nevada, they do not in the ...

Kings Canyon National Park may be underrated compared to Glacier, but at least people are generally aware of the park's Sierra Nevada mountains. The same probably can't be said for the impressive ...

glaciers and biological diversity. Almost 95 percent of the park is designated wilderness. Yosemite is one of the largest and least fragmented habitats blocks in the Sierra Nevada. Its geology is ...