 | | Report (issue) | | /7 Geology of the High Climb Pegmatite Custer County South Dakota GEOL.OGICAL SURVEY BULLETIN 1015-C...1015-C Geology of the High Climb Pegmatite Custer County South Dakota By DOUGLAS M. SHERIDAN A CONTRIBUTION...production-_____________________________________ Mine workings________________________________________________..._________________________________________________ High Climb pegmatite _____________________________________________...sections of the High Climb pegmatite, __ In pocket FIGURE 13. Map showing location of High Climb pegmatite |  | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL SURVEY..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________...mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax claim...___________60 Aladin mica mine by J. W. Adams____________ 60 Ann mica mine by T. A. Steven_________________...Steven_________________ 61 Antler mica mine.._-___--__--__-___-_-_-___-___ 64 Apex claim.___-__________-_-----_---_--_-____64 |  | | Report (issue) | | Geology of the Berne Quadrangle Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-F ... Geology of the Berne Quadrangle Black Hills South Dakota By JACK A. REDDEN PEGMATITES AND OTHER PRECAMBRIAN...GEOLOGY OF THE BERNE QUADRANGLE, BLACK HILLS, SOUTH DAKOTA By JACK A. REDDEN ABSTRACT The Berne quadrangle...Formation and the mica schist unit were uniform high-alumina shales. The lithologic and chemical similarities...volcanic rocks have been converted into medium- to high-grade metamorphic rocks in which many of the primary |  | | Journal (article/letter/editorial) | | and thus for the second consecutive year a new high record is set. The chart showing the trend in membership...September-October issue. In the past, due mainly to the high cost of this type of reproduction, the Society's...Harvard University, was responsible for the very high peak reached in 1937. It may be of some interest...geological studies in both field and Iaboratory. Mining geologists have made valuable paragenetic studies...of the series were lormed at Hobart Butte, Lane County, Oregon, probably in Miocene time by hydrothermal |  | | Report (volume) | | further subdivided by geographic areas (State and county) and by subjects, which include general, geology... are included. INTRODUCTION Among the nonclay high-alumina minerals that are most suitable for refractory...All these minerals disassociate upon heating to high temperatures to form mullite (3Al2O3-2SiO2 ) and...only form of silica and alumina that is stable at high temperatures. Pure mullite, which is chemi873 974...importance as raw materials for the manufacture of high-alumina refractories and ceramic articles. Although |  | | Book | | ore?" "Do I need a license to mine uranium?" "How do I stake a mining claim?" As a result of these inquiries...professional prospectors, geologists, and engineers, and high school and college science students. It is written...which have participated hundreds of geologists, mining engineers, mineralogists, and prospectors, both...Commonwealth of Australia; B. Dickinson and R. Sprigg, South Australia Department of Mines; H. H. Adler, Margaret...of Mines and Technical Surveys, Canada. Eldorado Mining and Refining, Ltd., Canada. Department of Atomic |  | Sheridan, Douglas M., Maxwell, Charles Henry, Albee, Arden Leroy, Van Horn, Richard (1967) Geology and uranium deposits of the Ralston Buttes district, Jefferson County, Colorado, with sections on Paleozoic and younger sedimentary rocks. Professional Paper 520. US Geological Survey doi:10.3133/pp520 | Report (issue) | | raniurn Deposits of the Ralston Buttes District Jefferson County, Colorado By DOUGLAS M. SHERIDAN, CHARLES...veins on the of the Front Range west of Denver district flank of the geology of a east UNITED STATES...___________________________________ _ Rocks of the district ____________________________ --· __ Precn.mbrian..._______________ _ Cretaceous ____________________________ _ Dakota Group _____________________ _ Benton Shale ______________________...43 43 43 44 45 45 47 49 50 Page Rocks of the district-Continued Laramide intrusive rocks _______________________ |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Smithsonian Inst., Washington, D.C. Alan Pring: South Australian Museum, Adelaide, SA, Australia. Gunnar...than the general form. The most commonly encount a high with planes to with relatively simple Miller indices...diamond, other materials of high index of refraction, and usually of high density; Index of refraction...10. India 11. South east Asia 12. Middle East 13. African Countries, from north to south 14. Oceania 15...15. Australia 16. Antarctica 17. South America The localities section includes a description of the |  | | Report (volume) | | Crossroads: Lyons, P. L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay, R. L.,L...the future: Just, E. ing: Burwell, E. B., Jr., 4. Mining geology, retrospect and Index fossils: Stephenson...extinction L. R., 6. factors: Coleman, R. H. North Dakota, petroleum: Laird, Management look at the geologist:... Landform interpretation, stereoSearch for new mining districts: Nolan, T. B., 1. pairs: Powers, W. E...area, color: Shale nomenclature: Clark, T. H. ,6. South Texas Geol. Soc., 7. Silicates and their reaction |  | | Report (volume) | | .................. 9 Location and area of the district....'..................................... 9 Topography............................... 20 IK. A, Part of south slope of Pyramid Mountain; B, Unconformable contact...geologic reconnaissance surveys of all the developed mining districts in the Copper River basin has justified...EXPLORATIONS. Chitina River has its source in the high mountains near the international boundary north...Elias, the west slopes of Mount Logan, and the south slopes of Mount Natazhat. It follows a westerly |  | Basilici, Giorgio, Ferreira Mesquita, Áquila, Vinícius Theodoro Soares, Marcus, Janočko, Juraj, Philip Mountney, Nigel, Colombera, Luca (2021) A Mesoproterozoic hybrid dry-wet aeolian system: Galho do Miguel Formation, SE Brazil. Precambrian Research, 359. 106216pp. doi:10.1016/j.precamres.2021.106216 | Journal (article/letter/editorial) | | 2012). Dry aeolian systems are characterised by high availability of sand for aeolian transport, such...m. Quarries display vertical surfaces up to 5 m high and 30 m wide. Here, perfectly planar surfaces allow...followed by plagioclase (4%), microcline (3%) and sericite (1%). Five architectural element types are identified...the study area, but their frequency varies from south to north. The following descriptions are ordered...architectural elements. Locality: Morro Batatal South, south portion of the study area. The three images |  | | Report (issue) | | GOLD LODE MINING IN THE WILLOW CREEK DISTRICT. By STEPHEN R. CAPPS. INTRODUCTION. Gold mining in the Willow...Willow Creek district in 1917 was confined to the exploitation of the quartz lodes, from which almost...gold recovered from this area was gained by placer mining, the workable placers were soon exhausted, and...produced the bulk of the output of the district. The Independence mine, which has for years been a producer...Gold Mining Co. To summarize these conditions, in 19i7 there were five quartz mills in the district, of |
|
