The objective of this study is to prepare and present the South Dakota Geological Survey (SDGS) with a digital copy of the Custer Quadrangle geologic map, to collect and analyze joint data to define dominant joint trends and morphological characteristics, and to discuss the implications of joint ...
Maps Showing Geology, Structure, and Geophysics of the Central Black Hills, South Dakota This 1:100,000-scale digital geologic map details the complex Early Proterozoic granitic rocks, Early Proterozoic supracrustal metamorphic rocks, and Archean crystalline basement of the Black Hills. The granitic ...
The USGS recently completed an assessment of undiscovered oil and gas resources of the Denver Basin Province (USGS Province 39), Colorado, Kansas, Nebraska, South Dakota, and Wyoming. Petroleum is produced in the province from sandstone, shale, and limestone reservoirs that range from Pennsylvanian...
The North Dakota Public Service Commission denied the permit for the Summit Carbon Solutions Midwest Carbon Express pipeline, which planned a 320-mile route through North Dakota. Summit proposed the pipeline to capture carbon dioxide from more than 30 ethanol plants in Iowa, Minnesota,...
Synsedimentary, diagenetic, and metamorphic pyrite, pyrrhotite, and marcasite at the homestake BIF-hosted gold deposit, South Dakota, USA: insights on au-as ore genesis from textural and LA-ICP-MS trace element studies Econ. Geol., 111 (7) (2016), pp. 1731-1752 CrossrefView in ScopusGoogl...
Elephants once roamed across much of North America. Woolly mammoths (Mammuthus primigenius) were common in Canada and Alaska. Columbian mammoths (Mammuthus columbi) occupied the region that became Washington state to South Dakota and south into Mexico. Most mammoths went extinct about 11,500 years ...
In celebration of this, a 21-foot-diameter monument in the shape of a compass rose has been carved out of South Dakota granite. The monument is located behind Belle Fourche's Chamber of Commerce. A twelve-inch bronze marker from the Geodetic Survey commemorates Belle Fourche as the Center ...
RESPEC Inc.: Structural Analysis of Mount Rushmore, Mount Rushmore National Memorial, Keystone, South Dakota: Report RSI/P-358, Prepared by RESPEC Inc., Rapid City, South Dakota, pp. 1–24 (1989) Google Scholar Singh, B., Goel, R.K.: Rock Mass Classification: a Practical Approach in Ci...
Patrick D, Martin JE, Parris DC, Grandstaff DE (2004) Paleoenvironmental interpretations of rare earth element signatures in mosasaurs (reptilia) from the upper Cretaceous Pierre Shale, central South Dakota, USA. Palaeogeograp Palaeoclimat Palaeoecol 212:277–294. doi:10.1016/j.palaeo.2004.06.005 ...