 | | 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Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Book | | withdrawn because of reclamation projects in old mining areas, because new construction covers up old sites...Surveys, the State Divisions of Tourism, to museums, mining companies, fee basis operators, listed guides...and does not become the state border until it is south of St. Paul. Minnesota is a Lake Superior State...scattered in their fields. Stop and look at road cuts, excavations, new construction, and sandy or gravelly...from clubs, dealers, guides, Chambers of Commerce, mining companies, fee areas, and Tourist Departments. |  | | Journal (issue) | | 36 Deepwood Crescent Don Mills, Ontario M3C 1N8 South Africa: Horst Windisch 30 Van Wouw Street Groenkloof...Raven Hills Court, Colorado Springs, Colorado 80919 USA; tel: (303) 598-1233 66 The Mineralogical Record...and Japan. ACCESS The majority of the amethyst mining activity is confined to a 40 x 1% km area, approximately...Thunder Bay. From Highway 11-17, logging roads and mining roads provide access to the heavily forested areas...from east-west at the Thunder Bay mine, to north-south at the Diamond Willow mine. Lead and zincbearing |  | | Report (issue) | | rutile barite marcasite brucite celestite galena STATE calcite gypsum arsenopyrite Minerals produced...outcrops and have been carried, generally to the south and east of their original sources. The distance...furnish the wealth of mineral specimens met with in mining and quarrying operations. however, true that... otherwise escape notice. Kocks exposed in railroad cuts and tunnels may also be said to constitute an...for collecting purposes. The use of rudimentary mining tools and methods Prospects. under considerable |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...lost some of its high status when the abundant South American supply came on the market. Promotion of...luster is brilliant, mirrorlike, such as is seen in galena or polished hematite. Diaphaneity Another means...such as creates the unique beauty of opal or labradorite, the starry splendor of star sapphire and garnet...as size into these pockets amazonstone and labradorite. Perhaps only one percent of the pegmatites are |  | | Journal (article/letter/editorial) | | IC A GEOLOGY OF THE DIAMOND IIILL-CUMBERLAND DISTRICT IN RHODE ISLAND-M ASSACHUSETTS 1 BY CHARLES H......................................... 4."1 Labradorite porphyry dikes.................................WARREN AND POWERS----DIAMOND H ILL—CUMBERLAND DISTRICT Page Riebeckite-iegirite granite.............. WARREN AND POWERS----DIAMOND HILL—CUMBERLAND DISTRICT lish ed by E m e rso n a n d P e rry ,2 w here...n schists a n d associated rocks in th e region south of Iro n M ine H ill. B. L. Jo h n s o n 4 has de |  | | Journal (article/letter/editorial) | | Mississippian age. The rump, Chinle, Entrada, Morrison, Dakota, Benton, Pennsylvanian McCoy formation is re-defined...the still higher ground bordering the area on the south and east by the Colorado River Valley. The remainder...flows south from the northern part of the area and enters the Colorado River nearly a mile south of McCoy...granodiorite may be the equiva- the hillside 2 miles south of Crater. These were lent of the Boulder Creek...brachiopods from this formation in the Leadville district indicates Upper Cambrian age but does not give |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing...Geophysical studies Hydrology Economic geology Mining directory Environmental studies Engineering studies................................................. Galena .................................................· · · · · · · · · · · · · · · .......... 164 Labradorite ........................... · · · · · · · · · |  | | Book (volume) | | Page. 107 . 24, Section of akame, Bennington, south side, . 25, Section of akame, Bennington, north...modified drift under till, Hancock, 108 - 27, South end of Upper Beech pond, Wolfeborough, 128 . 28...in Portsmouth & Dover Railroad excavation, Dover, . g. 46, Section in kame south-east of Pine Hill cemetery...Wheelwright pond, Lee, . 48, Section on Boston & Maine Railroad near : Newmarket Junction, . 49, Granite shattered...Hampshire. Geological map of the Ammonoosuc mining district. ILLUSTRATIONS NOT PRINTED HELIOTYPES |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic...party should carry a first aid kit to patch up small cuts that are bound to be incurred in working around...crystals. North Carolina and the Black Hills of South Dakota are also regions attractive for rose quartz |  | | Book | | Orthoclase rich in potassium and aluminum Labradorite Anorthite rich in calcium, sodium and aluminum...marble, a metamorphic rock Pyrite Chalcopyrite Galena contains iron contains ironand copper contains...F B i Diamond Dolomite Feldspar Group Fluorite Galena Garnet Graphite Gypsum Halite (salt) 4,7,9,16...specimen to another. Only a few minerals, such as galena, hornblende, and graphite, are uniform in color...from the bright, metallic luster of the mineral galena. porcelain, it will leave a thin, colored streak |  | | Journal (article/letter/editorial) | | collecting. Although Texas is not known for its mining industry, be cause of its large oil and gas exploration...Llano County in the early 1900s but was flooded by Lake Buchanan in 1938. The Terlingua mining district...district is noted for its rare mercury minerals. Mining here was contin uous from 1900 to the middle 1940s;...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i • I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence |  | | Journal (article/letter/editorial) | | on August 5, 2015 132 TULLIS— GEOLOGY OF LATAH COUNTY, IDAHO Tertiary extrusive rocks.................Page 1. Map of the southwestern cornerof Latah County....................................................................... 6. Geologic map of Latah County, Idaho................................................ 131 140 141 162 163 164 ABSTRACT Latah County lies within the Coeur d ’Alene Mountains and the...more like the igneous rocks in the Coeur d’Alene district. The principal type is syenite with considerable |  | Zim, Herbert S., Shaffer, Paul R., Latimer, Jonathan P., Nolting, Karen Stray, Post, Jeffrey, Pohwat, Paul W. (2001) Rocks, Gems and Minerals - A Guide to Familiar Minerals, Gems, Ores and Rocks. St. Martin's Press, New York. | Book (edition) | | best source of specimens. Look in road and railroad cuts, in quarries, rock pits, dump piles around mines...angles to one another, as in a cube— examples: galena, garnet, pyrite, and halite. Tetragonal System... Cubi Basal le ie cleavage: cleavage: mien galena ea CLEAVAGE is the way some minerals split along...sublimate in the cool part of the tube. — LEAD ORE (galena) turns a light color and forms a white sublimate...Chile, Peru, Cyprus, Democratic Republic of Congo, South Africa, Russia, and Australia have large deposits |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...DS AED 3) June Culp Zeitner, of Rapid City, South Dakota, for her lifelong devotion to the study and...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout |  | | Book (volume) | | Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Hiddenite crystals Hiddenite crystal Map of Pala District Clays and crystals in pocket Vanderberg Mine Pile...received for them. The rise and fall of entire gem-mining ventures has often been traced to the dictates |  | | Report (volume) | | Coatesville; £, Chickies quaitzite exposed in railroad cut, 1 mile west of Atglen.__________ 42 8....Pennsylvania showing relation of Honeybrook uplift to South Mountain uplift and Appalachian Valley.._-.__-_...fault in Triassic rocks in Philadelphia & Reading Railroad cut, Phoenixville______.-__-_-_-____ 18. Plans...apparently also upthrust on a high-angle fault on its south side. The middle fold the Barren Hills anticline...high-angle faults on each flank. Chester Valley, south of these uplifts, encloses Paleozoic limestone in |  | | Report (issue) | | Colonial Coral . Feldspar, Type II Occurrences. Labradorite, Moonstone Garnet, Type II Occurrences. Hematite...I A N DEVONIAN SILURIAN ORDOVICIAN CAMBRIAN } DAKOTA Graneros Greenhorn - Corille Niobrara Pierre...exposures or from artificial exposures such as road cuts and quarries. Most gemstones and cutting materials...to the collector. Abandoned rock quarries, road cuts, and natural exposures along streams usually are...have been deepened by quarries, highway cuts, or railroad cuts. Many well-known sites for mineral collecting |  | | Book (volume) | | in Mr. Huntington has performed an excellent district. larly in distinguishing the coarse granite belt...Huntington.) GEOLOGY OF THE CONNECTICUT VALLEY DISTRICT. By C. H. Hitchcock, (Pages 408-427 by V. ...WHITE MOUNTAIN DISTRICT. J. 271 H. Huntington.) GEOLOGY OF THE MERRIMACK DISTRICT, WEST PART (the...GEOLOGY OF THE COAST DISTRICT. By IX. H. Huntington, GEOLOGY OF THE LAKE DISTRICT. By VIII. J. GEOLOGY...GEOLOGY OF THE MERRIMACK DISTRICT, EAST PART. C. H. Hitchcock, CLASSIFICATION OF THE By C. H. Hitchcock |  | | Book | | Kentucky 6 CHAPTER 8 Tennessee 8 7 6 CHAPTER 10 South Carolina ......... _ .......... _ _ .... ____________________...o o r e , M o n t g o m e r y, Randolph, Macon South C a r o l i n a : Chesterfield, L a n c a s t e...Mecklenburg, Rutherford, F r a n k l i n , Cleveland South Carolina: Spartanburg, Pickens Georgia: H a l l...p e F e a r, Neuse, a n d t r i b u t a r i e s South Carolina: Cooper, Congaree, Santee, Broad, Wateree...Macon County, North Carolina. An enthusiastic family found and mined an amethyst deposit in South Carolina |  | | Book | | PUBLIC LIBRARY Fort Wayne and Allen County, Indiana ALLEN COUNTY PUBLIC LIBRARY 833 00476 9409 j552...for sending material on Herkimer diamonds. To District Ranger Donald Schmidtlein of Buffalo Gap National...can find trilobites. The mountain of bugs in Juab County, Utah, is one of the best. To find a trilobite...be found in 29 Rockhound Trails Oklahoma, South Dakota and Colorado, in other colors. The more barren...roses that look like sugar-frosted buttons. Farther south, on the lava hills, are found rare roses containing |  | | Journal (article/letter/editorial) | | THE BREWSTER IRON-BEARING YORK. • DISTRICT OF NEW F. R. KOEBERLIN. CONTENTS. General Geology...eighties,as it was then the seat of an active iron-mining industry. At the presenttime, however, none of...are working and but little has beenheard of the district during the last decade. • Submitted in partial...BrewsterIron-bearingDistrict. THE BREWSTER DISTRICT OF NEW YORK. 7I 5 The geologyof the regionhas...work was confinedis a rectanglesix miles north and south by three miles east and west. It includes the Tilly |  | | Book | | Minnesota. By N. II. of Houston county. By N. II . of of Fillmore county. By N. II. of CHAPTER The... of Mower By N. county. II. of Dodge county. WINCHELL of Freeborn county. By N. II. The geology...geology of Steele county. 207 to 235 236 to 267 268 to 324 325 to 340 347 to 366 367 to 375 X...Olmsted county. 1 VI. WINCHELL CHAPTER The geology . V. By N. H. WINCHELL Winona county. WINCHELL...geology of Waseca county. XII. By WARREN UPHAM CHAPTER The geology of Blue Earth county. By 404 to 414 |  | | Report (issue) | | of ocher beds in Vermont ............ 3—Section south of Forestdale ............................... 4—Section...beds near Brandon .......... 7-01d mine drift, South Wallingford ......................... 119 120 122...schists which extend from near the Canada line south to the Massachusetts line. The fossils found are...sheets covered Vermont and hundreds of miles farther south. Geologists are not fully agreed as to how thick...originated north of the St. Lawrence. One came down over New England and south, one through the middle west | | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...DICATED TO ] une Culp Zeitner, o/ Rapid City South Dakota, /or her /;/efong devotion to the study and...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |
|
