 | | Journal (article/letter/editorial) | | [University of Connecticut] at 20:42 14 January 2015 South Dakota is perhaps best known for its pegmatites, which...Hills are responsible for the accessibility of South Dakota’s itbundant and diverse mineral locations...secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues |  | | 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 |  | | Journal (article/letter/editorial) | | River, New York City, N.Y. ; at the Dake mine, Mitchell County, North Carolina; with tysonite in Cheyenne...Springs, Colorado; and with rutile in Alexander County, North Carolina. MONAZITE, is essentially a phosphate...Park no. 2 mine near Penland and in crystals to one and one half inches in size at the Dake mine in Mitchell...Mitchell County. It occurs also in crystals at the Ray mine near Burnsville and the Ramsey mine near Toledo...Toledo in Yancy County, North Carolina. Large masses of Monazite occurred at the Flat Rock mine in Mitchell |  | | Report (issue) | | lithium_________________________________ History of lithium mining and production ________________________ Imports...deposits.._----___-____-________-__________ Amblygonite deposits._________________________________ Deposits..._._______.__ North and South Carolina.___---_______-_-_---__-__________ South Dakota________________...area._____________________________ Pala pegmatite district.__--___--___-_-______--_______._ Arizona, New...________________________ Future of the lithium mining industry________--__--___-___-______-___ Literature |  | | Report (issue) | | Some Pegmatites in the Southern Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-E ...Some Pegmatites in the Southern Black Hills South Dakota By JAMES J. NORTON and others PEGMATITES AND...Mica prospect.____________________________ Etta spodumene mine.______________________________ Geology-___...301 302 303 305 305 307 310 312 314 315 Etta spodumene mine Continued Mineral deposits____--__------...spodumene prospect._________ Hot Shot feldspar and mica mine.. _____ Geology __________-_---_-_-----------__-_-----Mineral |  | | 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.___________________________________...Spodumene _______-_-____-_--____------____ 55 Amblygonite. ____-_--___-----__--__________ 56 Lepidolite__...__-__-__--___-__ 57 Prospecting for spodumene, amblygonite, and lepidolite ________ ______:.___-_____-_______-_-_...mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax claim |  | | Journal (article/letter/editorial) | | Hampshire and to an inch in diameter at the Smith Mine, Newport, New Hampshire. It also has been found...state. Scorzalite occurs at the Victory mine near Custer, South Dakota with quartz, albite, muscovite, black...dickinsonite occurs sparingly at Branchville, Fairfield county, Connecticut. FAIRFIELDITE, a hydrous phosphate...noted as a rare mineral at Branchville, Fairfield county, Connecticut from which it was named; and also...product of lithiophilite at the Stewart mine, Pala, San Diego county, California. STEWARTITE, another hydrous |  | | Journal (article/letter/editorial) | | metamorphic rocks in the southern Black Hills, South Dakota JnvrnsJ. Nonrox* Branch of Central Mineral Resources...Center, Denver, Colorado 80225, U.S.A., and South Dakota School of Mines and Technology, Department of...Geology and Geological Engineering, Rapid City, South Dakota 57701,U.S.A. Ansrnlcr The pegmatite field and...Harney Peak Granite of the southern Black Hills, South Dakota, form an igneous system that progrcssesfrom...satellitic plutons in the southern Black Hills, South Dakota, are surrounded by a region containing about |  | | Journal (article/letter/editorial) | | MINNESOTA, MISSOURI, NEBRASKA NORTH DAKOTA, OKLAHOMA, SOUTH DAKOTA AND TEXAS BY MARGARET COOPER CONTENTS...Missouri, Nebraska, North Dakota, 1, Part 2, and Part 3 258 Oklahoma, South Dakota, Texas and Section 2....North Dakota, Oklahoma, South Dakota, and Texas 262 souri, Nebraska, North Dakota, Oklahoma, South Dakota...Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, and Texas. It is Part 4 of a comprehensive...Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, and Texas; Index II, Geographical |  | | Journal (article/letter/editorial) | | OF THE ETTA SPODUMENE BLACK HILLS, SOUTH DAKOTA. G. M. MINE, SCHWARTZ. INTRODUCTION. THE Etta mine...importantproducerof lithium ore in the United States. Althoughthe mine has been repeatedlyreferred to, and briefly described...JamesCessna,Superintendent of the Etta, for permissionto studyand map the mine and for many mineral specimens...GENERAL FEATURES. History of the Mine.--Previous to I883 the Etta claim had beenworked for mica. In... P. Blake• determined tin in samplesfrom the Etta mine which had been submitted to him for analysis. |  | | Report (issue) | | Near rringie, Pringle Southern Black Hills, South Dakota, "Vii ic«*rl Kw Caused by Rare-Mineral I tnckvrkncc»«4...Anomaly Near Pringle, Southern Black Hills, South Dakota, Possibly Caused by Unexposed Rare-Mineral Pegmatite...Products Section, U. S. Geological Survey, 604 South Pickett Street, Alexandria, VA 22304 CONTENTS...group of pegmatites .............................. Mining and exploration for lithium minerals, beryl, and...specimens of tantalite-columbite from the Etta pegmatite, Keystone, S. Dak. ............................ |  | | Report (issue) | | TIN, TUNGSTEN, AND TANTALUM DEPOSITS OF SOUTH DAKOTA. By FRANK L. HESS. INTRODUCTION. Many articles... and tantalum in South Dakota occur in the Black Hills, in Lawrence and Pennington counties, in the southwestern...miles wide, the longer axis lying nearly north and south. There is a considerable diversity of topography...considered. In the southern part, near Hill and Keystone, the hills exhibit rounded contours with fairly...deposits of wolframite in the Black Hills of South Dakota: Trans. Am. Ir.st. Min. Eng., vol. 31, 1901 |  | Simmons, William B., Falster, Alexander U., Nizamoff, James W., Freeman, Gary (2019) Giant spodumene and montebrasite crystals from the Plumbago North pegmatite, Oxford County, Maine. The Canadian Mineralogist, 57 (5) 795-797 doi:10.3749/canmin.ab00024 | Journal (article/letter/editorial) | | CRYSTALS FROM THE PLUMBAGO NORTH PEGMATITE, OXFORD COUNTY, MAINE WILLIAM B. SIMMONS§ AND ALEXANDER U. FALSTER...Museum, Bethel, Maine, USA JAMES W. NIZAMOFF 64 Mineral Drive, Hebron, Maine, USA GARY FREEMAN Freeman...Freeman Resources, LLC, 48 Lovejoy Road, South Paris, Maine, USA Keywords: giant crystals, spodumene, montebrasite...on the north side of Plumbago Mountain, Oxford County, Maine. The pegmatite is spodumenerich and is potentially...the Etta and Hugo pegmatites in South Dakota (Rickwood 1981): Spodumene – Etta Mine, South Dakota, USA |  | | Journal (article/letter/editorial) | | Rtcrwooo Schoolof Applied Geologlt (Jniversityof New South |l'ales Kensington,N. S.W. 2033, Australia Abstract...(E1 9 2 3 , p . 3 6 2 ) . 5 PerticaE Italy. 2. Mine, Urbino, SULPIiIDES € SULPHOSALTS (i)SULTHIDES...70 x 8.89 x 6.35 cm from Maybee Quarry, Monroe County, Michigan, U.S.A. and which is in the Cranbrook...Collection, Central ResearchLaboratory, Mitsubishi Metal Mining Company, Yonu-Shi, Saitana prefecture, Japan; it...Moscow,U.S.S.R.is 35 Geological Survey, Pretoria, South Africa (pers. x 15 cm; Guillemin (1964,p.2; 1972 |  | | Report (issue) | | Deposits of the Peerless Pegmatite Pennington County South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER...Deposits of the Peerless Pegmatite Pennington County South Dakota By DOUGLAS M. SHERllDAN, HAL G. STEPHENS...__________________ Acknowledgments__________________________ Mine workings _____________________________________ Geology..._ Sada feldspar____________________________ Amblygonite-montebrasite ______-____.-_--_. Other minera...mica, potash feldspar, soda feldspar, beryl, amblygonite-montebrasite, tantalite-columbite, and cassiterite |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...________ Zone 4: Quartz-cleavelandite-microcline-amblygonite pegmatite and quartz-cleavelandite* pegmatite-...and section of the area near the Hugo pegmatite, Keystone, S. Dak. Geologic map, underground workings, and...content of quartz, albite, microcline, mica, amblygonite, and spodumene a,t successive zonal contacts |  | | Journal (article/letter/editorial) | | MINERALS FROM THE ETTA MINE KEYSTONE, SOUTH DAKOTA By ARTHUR SMITH JR. The purpose of this article is...brief descriptions of the minerals occurring in the Etta pegmatite. Much of the information has been compiled...of Rapid City. The Etta mine is located 1 mile south of Keystone. To reach the mine take Alternate Route...the railroad crossing in Keystone. Follow this road past the road to the Keystone Cemetery. At about 0.6...makes a Y ; the dumps of the Etta mine are directly ahead. To reach the mine follow the road to the right |  | | Journal (issue) | | White Horse Ranch to the Blitzen Valley, (Harney County, Oregon} and on the way I picked up some pieces...looked like slag from a furnace. This was in Grant County, Oregon, about 5 miles from Seneca. I was on a...feet. It was mined on the farm Tveit, Iveland District north of Kristiansand, Norway. A book of biotite...enormous spodumene crystals in the Black Hills of South Dakota ; the huge beryl crystals at Albany, Maine ;...tourmaline crystal 3x3x8 feet in the Luella Mine near Avon, Latah County, Idaho ; and etc. Origin The crystals |  | | Journal (article/letter/editorial) | | MOUNTAIN SPODUMENE MINE, BLACK HILLS, SOUTH DAKOTA. G. M. SCHWARTZ. TaE Tin Mountain Mine is locatedabout...pre-Cambriancenterof the Bla.ckHills uplift. The mine is accessible by auto road from Custer. The depositis...depositis remarkablefor its closeresemblance to the Etta Mine xwhichhaslongbeenthe world'slargestproducerof...cassiterite•vas not observedon the dumpor in the mine,thoughdoubtless smallamounts may be found from time...In I927 Mr. JamesCessna,Superintendent of the Etta Mine, examinedthe propertywhile prospecting for new |  | | Journal (article/letter/editorial) | | which showedcrystal faces. In the Natas mine in middle South-West Africa such a vein in schistscarriescrystalsof...extendingfrom Kingston, 2 Dorpinghaus,W. T.: Amblygonite-ZinnVorkommenvon Caceresin Spanien. Ein neuer...pp. 1-49, I914. a Rickard, T. A.: A Journeyto South Africa. Eng. & Min. Jour. Press, vol. i2i, p....course,muchlarger. A massof amblygonite in the Peerlessmine at Keystone,S. Dak., had been exposedin I9o8... berylon theIngersollclaim2• milesnorthwestof Keystone,S. Dak., was 45 inchesacrossthe endbetween sides |  | | Report (issue) | | ••• Uganda. ••• ••• ••• •• • South-West Africa ••• • •• Union of South Africa • •• Canada • • • ••• •••...by their g·iving to a no·n -luminous flame a ca1~mine-red colour, whicl1 is visible as violet when seen...per litr-e . A number of mine waters, especially some in the Redruth district of Cornwall , have been...compounds, that of Wheal Cli:ffo1'district containing 372 milligrams of lithium per litre...n siderable size, as in the Black Hills o,f South Dakota, where they have been found t1p to 50 ft. long |  | | Journal (article/letter/editorial) | | phlogopite, and to lesser extents by allanite, amblygonite, apatite, columbite-tantalite, fluorite, hornblende...oriented. A few species, notably quartz, beryl, and amblygonite, also occur as huge anhedral crystals. Nearly...from a mass of pegmatite in northwestern Riverside county, california. He clearly recollects his chagrin...suggestionsrelating to results of his operations at the Harding mine in northern New Mexico. The writer also has profited...spodumene "logs" from the Black Hills region of South Dakota. Blake (4; 5, p. 608) long ago described a spodumene |  | | Journal (article/letter/editorial) | | in the Peerless pegmatite at Keystone, Pennington County, South Dakota, by Headden (1893) and shortly...shortly thereafter in the nearby Etta pegmatite where it formed masses to 8 inches across associated with molybdenite...Examples include the Cove mine, Lander County, the Bald Mountain mine, White Pine County, and the famous Majuba...Majuba Hill mine, Pershing County, Nevada; with freibergite and andorite at the Bear Basin mines, King...King County, and with geocronite and sphalerite at the Young American mine, Stevens County, Washington; the |  | | Journal (article/letter/editorial) | | tourmaline crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8 feet. Other...the Black Hills of South Dakota. A black crystal from Micaville, Randolph county, Alabama, was 10 inches...length. Other crystals have been noted at the Baer mine near Orange, New Hampshire, to 10 inches in diameter...noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS Maine, Connecticut...Gunnison county, Colorado; dark green, pink, and indicolite tourmalines from pegmatites near Keystone, South |  | | Journal (article/letter/editorial) | | places these bodies are funnel shaped, as is the Etta pegmatite in the Black Hills. Still other pegmatites...1910. 6 Keith, Arthur, Gafiney-Kings Mt- Folio, South and North Carolina: U. ,5. Geol. Suraey, Geol. Folio...pegmatite aiUes in the Archean rocks of the Alma district, Park -C*tty, Colorado, measure four hundred feet...Maitlandlo has described pegmatites in the Wodgina district of Western Australia which "vary from mere threads...earth for great distances cannot be accepted, since mining operations have uncovered a definite bottom in |
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