 | | Journal (article/letter/editorial) |
| STANLEY Thurmond, N. C. 28683 Garnet—the name given to a mineral group made up of several subspecies...although their other properties vary widely. l h e garnet is known chiefly through its use as an inexpensive...inexpensive red gem-stone. However, the green andradite garnet, known as demantoid, is highly prized and is cut...Although the garnet most of us are searching for is in the pyrope group: A magnesia garnet, with a deep...used for gem stone and called the precious garnet. Garnet crystals for abrasive purposes and occasional |
 | | Journal (article/letter/editorial) |
| ROLE OF YTTRIUM AND OTHER MINOR ELEMENTS IN THE GARNET GROUP1 Howeno W. Jlnlo2 Assrnacr Several minor...of several of these in particular varieties of garnet suggests isomorphism. Yttrium, heretofore considered... IlrrnorucrroN The garnets form a well-defined group of minerals with respect to their essentialchemistry...composition and the physical constants within the group. Heritsch (1926) and Wright (1938) have emphasized...Survey files. 135 1,[INOR ELEMENTS IN THE GARNET GROUP Sample CaMgFeMnAl Si Zn Cr Ti Sc Li Na Sr |
 | | Report (issue) |
| Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE IN GARNET RUBY CORUNDUM...CORUNDUM GOLD TORBERNITE GARNET IN MICA ANATASE RUTILE AJTUNITE AND TORBERNITE THULITE AND PYRITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and |
| | Report (issue) |
| Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through out North Carolina. Some sites are commercially operated during |
 | | Journal (article/letter/editorial) |
| common member of the garnet family, almandine, was described (Cook 2009). Garnet forms under a wide range...resulting in its being one of the most locally abundant group of rock-forming minerals and certainly one of the...Consequently, for completeness of our coverage of the garnet-group minerals, and in keeping with the gemstone theme...Spessartine is one of fifteen minerals in the garnet group, each member of which is defined by its end-member...percentages of particular end members. We name the garnet according to the dominant end member. For example |
 | | Report (issue) |
| Archean rocks. _ _______________________________ Carolina gneiss ____________________________ Roan gneiss...Pyroxenes. ..-.________---_____-------__-__ Epidote group-_____-----_-_-------_------Gahnite__-_.__.._.____...___-_-_-___-______---Biotite-__________..-____-___--___-___ Garnet. ____.____....________.___ Barite.___....___________________... . ___--___-__---_----_-___-_--_______ Epidote group.----.--.--- --------__-__-___-___ Garnets __._______...__________-_-_J_-_________________ History of the mine- _ ____-_________'________ Results of previous work_______________ |
 | | Book (volume) |
| instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel |
 | | Report (issue) |
| Tertiary rocks _________________________________ _ Elk Mountain Porphyry ____________________ _ Porphyritic...bodies--------------------------------Magnetite-garnet-molybdenite deposits ___________ _ 1 2 2 3 3 3...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine----------...Map of Kokomo-Tenmile district showing areas of garnet and epidote alteration ________________________ |
 | Van Gosen, Bradley S., Hammarstrom, Jane M., Kellogg, Karl S., Berg, Richard B. (1998) Map showing areas with potential for garnet resources in bedrock and placer in the Blacktail Mountains and the Gravelly, Greenhorn, Ruby, and Snowcrest ranges of southwestern Montana. Open-File Report Vol. 1998 (98-224) US Geological Survey doi:10.3133/ofr98224a | Report (issue) |
| without color have minimal or no potential for garnet in bedrock or placer. These areas consist of Archean...eastern part of Beaverhead County, Montana, and the western part of Madison County, Montana. The study area...potential for garnet placer resources Qa Aqf Qf Qf Qa STUDY AREA Ruby Garnet mine Qf Aqf Aqf Asg...units within the study area that commonly contain garnet concentrations [These rock sequences are probably...Aa Aa Qa Ag Asg Aag Aa Qf Sweetwater Garnet mine Qa Aqf Aa Aam Aam Aam Qg Aa Aqf Aq Aqf |
 | | Report (issue) |
| . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |
 | | Report (issue) |
| INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia district -...district - Dolly Varden district --Edgemont district---Elk Mountain district-----Elko district ' Ferber district...Illustrations . Plate 1. Mineral resources map of Elko County. Figure 1. Index-map of mining districts 2. Exploratory...petroleum, through 1973 9 Temperatures of some Elko County hot springs- -- 12 Distribution of mineral deposits |
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| museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual crystals...granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...are the home of a number of interesting minerals. Garnet, staurolite and andalusite are typical minerals...minerals change. A number of silicate minerals such as garnet and epidote and some sulphides giving metallic |
 | | Report (issue) |
| Cover illustration Native silver, Castle-Trethewey mine, Gowganda. The specimen measures 9 cm by 5 cm. National...GSC 1999–003A Native gold in quartz, Hoyle Pond mine, Timmins. The specimen measures 6 cm across. National... Frontispiece. The original Hollinger (Timmins) mine, 1910, before it was destroyed by fire in 1911....Northland mine Net Lake (Barton) mine Cedar Lake (Trebor, Cuniptau) mine Little Dan mine Sherman mine Temagami...Temagami (Copperfields) mine 16 16 19 20 20 22 23 23 25 26 26 27 27 27 28 28 29 29 30 31 31 32 32 34 35 |
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| arawak and North Borneo _________________ _ Sarawak _____________________________ _ North BorneO----...________ _ North Island_____ ------------- ________ _ Antarctica ________________________________ _ North Am...124 126 127 130 Monazite localities-Continued North America-Continued United States of America-Continued...Perce Counties __________ _ Idaho CountY-----------------Valley CountY-----------------Adams, Payette,...and Gem Counties ________________________ _ Boise County ___ --------------Ada, Owyhee, Elmore, and Custer |
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| 7 Bibliography . . . . . 229 Appendix: 252 Mine Index iii NOTATIONS AND ABBREVIATIONS CHEMICAL...[Bulletin 18 SILICATES - Tektosilicates Feldspar Group (Orthoclase) (Microcline) (Anorthoclase) (Albite)...(Clinochlore) Stilpnomelane Chloritoid Pyroxene Group (Enstatite) (Hypersthene) (Diopside) (Hedenbergite)...Cordierite - Sorosilicates Hemimorphite Amphibole Group (Cummingtonite) (Grunerite) (Tremolite) (Actinolite)...(Arfvedsonite) (Barkevikite) INTRODUCTION 1965] Garnet Group (Almandite) (Andradite) (Grossu.larite) (Pyrope) |
 | | Journal (issue) |
| .) . U krijg t dus VEEL waar voor weinig geld ! Elk exemplaar wordt geregistreerd op de op d e Geonieuws...e Moon Anchor Mine, bij Tonopah in het Vuiture District, Maricopa County, Arizona, USA . De mijn in kwestie...situerin g van het Vulture-gebie d (met de Moon Anchor Mine) ten noordwesten r. lhM.. .h _ flk ', Mto-iz...naam van de provincie ("county") waa r het gevonden werd . De Maan Anchor Mine is tot nu toe nog steeds...«Arizona", The University of Arizona Press, Tucson , USA, p. 290 JAMBOR J . L ., Vanko DA . (1989), "New mineral |
 | | Report (issue) |
| C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...Qf-Christobalitc Phcnakirc Olivine Fayalite Tcphroitc Garnet Group Almandinc Spcssartinc Grossular (Hyacinth) Andradite...Uranophane Vttrialitc Astrophyllite Hemimorphitc Epidote Group Pistacitc Clinozoisite (Withamite) Zoisite (Ferian...Cordieritc Tourmaline Group Elbaite Checklist Dravite Schorl Chrysocolla Pyroxene Group Monoclinic pyroxenes |
 | | Book (volume) |
| NORTInHIwo AME A Volumes John Sinkankas _ GEMSTONES OF NORTH AMERICA In Two Volumes ® Volume I Gemstones, of...of all the mineral treasures to be found in North America, are perhaps the most fascinating—and the...worthy of the name. Some, like the emeralds of North Carolina, the colorful and fabulous tourmalines and...above all, easily read and understood, GEMSTONES OF NORTH AMERICA, Volumes I and II, will be welcomed as a...abroad are becoming so scarce and expensive that North America has developed into a major exporter rather |
 | | Report (volume) |
| Bibliography of North American Geology, 1950-1959 PART 2. INDEX VOLUME 3 : A-L GEOLOGICAL SURVEY BULLETIN...BULLETIN 1195 Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S...., 6. T. B., 2. Magmatic vs. metamorphic source North America, western, paleoof ores: Hawley, J. E., 11...evolutionary extinction L. R., 6. factors: Coleman, R. H. North Dakota, petroleum: Laird, Management look at the...Paleotectonic history, western Mineral-dependent economy, North America: Laudon, reserve plan: Love ring, T. S. |
 | | Report (issue) |
| Smelter Producing Cadmium Ghost of General Custer Mine Still Lingers Giant Explosion at Arco 2 Leesburgh—A...Wheel, Largest in World (Morning Mine) Gem Collectors, Work At Own Mine Idaho Mining Association Hopes...Page Ada County 145 _ 150 151 ae 135 A 140 eee 142 148 Page Boise County Adams County 146 Bonner...Bonner County Bannock County — 146 Boundary County Bear Lake County __.___————s—sWwi147':~3= Gem County...Benewah County _____—————C—<‘iAL/4}. «= Idaho County Bingham County _________ Blaine County oie 2 |
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| CHAPTER 8 Tennessee 8 7 6 CHAPTER 10 South Carolina ......... _ .......... _ _ .... ____________________............._........... 7 3 6 CHAPTER 9 North Carolina 4 2 3 3 9 6 3 CHAPTER 1 GEM H U N T...g e s w h i c h c r e s t a t M t . N o r t h Carolina, a n d C l i n g m a n ' s Dome, Tennessee. Because...was m e r e l y p a r t o f t h e waste o f t h e mine. W h a t t h e y needed was h i g h grade ore o...n d m 1799 i n Cabarrus C o u n t y, N o r t h Carolina, b y a s m a l l b o y w a l k i n g along a m |
 | | Report (issue) |
| ccccsccccsccssssssssssssssssssesetveesteeen 22-28, 165-168 PNGage COUNTY. cette PNG ANTIS CONTE Y sos ee Bannock ne ...ya eee 52 52 29 Gem*County 30 Idahor County... eee 53-54 Benewah County ...........-....--0-..... 31 Jefferson County es Bingham County Kootenai County. Boise} County County, ................Boundary BUTE County 58 59 Latah? Countya eee exe) 61 36 Lemhi-<County 39 Lewis: County =. 66 ....Perce County 66 42 Oneida‘ 42 Owyhee ...................... 27 County. =e 66 Camas County -.. |
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| —_— 1.12 — 8 10 — —_ 12 14 _ — Courtesy of F&S Group Geology and World Deposits TAO 6.30 5.60 5.00 4...and related materials Feldspar 106 Fluorspar Garnet Graphite 110 Slate Sodium sulfate 122 = 130...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...the industrial minerals covers a highly diverse group of materials. At the one extreme is gravel and crushed...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source |
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| Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges...ofjust a few minerals; quartz and the feldspar group are the most abundant processes — called biominerals...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS... Located on an island about 300 km (185 miles) north of Yellowknife, the Acasta River deposit is believed |
 | | Show/Event (guide) |
| Gem and Mineral Show® is put on by a home-grown group of volunteer mineral enthusiasts many of whom collect...built by the University of Arizona in the Old Pima County Courthouse...including the best wulfenites owned...run in conjunction with the SESS geology student group from the U o f A. Here children of all ages can...Training "A Tale of Two Mine Dumps.The Artisanal Gem Miners" North Star Mine, Mammoth, By Robert Weldon...Tintic District, J u a b 1:00 pm - 2:00 pm (MMR) County, Utah." By Brent Thorne Saturday, February 16th |
