Which one of the following best describes the geology of the Black Hills region in South Dakota?
A) a large graben deeply eroded by Pleistocene glaciers
B) an elongate upwarped dome between the Cheyenne and Belle Fourche Rivers, flanked by hogbacks of the Dakota Sandstone and cored by older crystalline igneous and metamorphic rocks
C) an eroded syncline with Cretaceous and Tertiary younger, sedimentary strata in the axial region, and older, metamorphic rocks around the margins
D) a basin filled with folded, sedimentary rocks and thick Precambrian coal beds

Question

Quizplus · Accepted Answer

The Black Hills region in South Dakota is characterized as an elongate upwarped dome, which is flanked by hogbacks of the Dakota Sandstone and has a core of older crystalline igneous and metamorphic rocks. This geological structure is distinctive and contributes to the unique landscape of the area.

Which One of the Following Best Describes the Geology of the Black