 | | Journal (article/letter/editorial) |
| is the relative paucity of low-Ca (<2 wt% CaO in garnet) harzburgites and a low ratio of harzburgitic to...re-enrichment but the trace element signature of garnet inclusions is not in favor of strong enrichment...mines the majority of lherzolitic and harzburgitic garnet inclusions are characterized by moderately sinusoidal...subcalcic garnets. Examples are the Premier and De Beers Mine kimberlites in South Africa (Gurney 1984; Griļ¬n...(Shirey et al. 2002; Griļ¬n et al. 2003) nearby Letlhakane kimberlite that the underlying mantle lithosphere |
 | | Journal (article/letter/editorial) |
| overlap with the record established from cratonic garnet peridotite xenoliths and xenocrysts but reļ¬ect...indicate polybaric melt extraction proceeding from the garnet into the spinel stability ļ¬elds, most readily explained...mineralogical layers, spinel facies (lilac) and garnet facies (purple to pink). Small volume melt fractions...inclusion-bearing diamonds from the mines of South Africa and Botswana was begun by Gurney and Harris (multiple papers...diamonds is not known. In early work (1973ā1985) run-of-mine diamonds in the sieve class ā6 + 5 (1.83 mm aperture |
 | ChassĆ©, Mathieu, Griffin, William L., Alard, Olivier, OāReilly, Suzanne Y., Calas, Georges (2018) Insights into the mantle geochemistry of scandium from a meta-analysis of garnet data. Lithos, 310. 409-421 doi:10.1016/j.lithos.2018.03.026 | Journal (article/letter/editorial) |
| Geochemistry of Scandium from a MetaAnalysis of Garnet Data Mathieu ChassĆ©, William L. Griffin, Olivier...Geochemistry of Scandium from a Meta-Analysis of Garnet Data. The address for the corresponding author...Geochemistry of Scandium from a Meta-Analysis of Garnet Data RI PT Mathieu ChasseĢā,a,b , William L.... PT E net grains shows that, below the spinelāgarnet transition, this phase carries about three-quarters...effect resulting from their high modal content in garnet. Garnets from ultramafic rocks exhibit a wider |
 | | Journal (issue) |
| particles. A contemporary model of the atom portrays a central nucleus consisting of protons and neutrons (except...Graphic display of the X-ray chemical spectrum 0f.a garnet. APPLICATIONS Electron microscopy and X-ray chemical...through most of the rock. Quantitative Chemistry: Garnet. With some gem species, wide ranges in composition...tourmaline, feldspar, and garnet. For example, the chemical formula of a garnet may be written as 3AO*B203*3Si02...members such as pyrope, the magnesium aluminum garnet (3MgO-AlzOg 3SiOz), rarely if ever occur in nature |
 | | Journal (issue) |
| fascinating aspects of the Art Deco movement. The central theme of Art Deco was geometry, symmetry, and boldness...source of imperial topaz has been a small mining district near O u r o Preto. O n e o f the oldest and m...m o s t productive m i n e s i n the district is t h e Capdo d o Lana. T h i s article examines t h e...e history o f the O u r o Preto district as well as the geology o f the area and occurrence o f t h e...impossible without the complete cooperation of the Capao mine owners, Wagner Colomboroli, Fernando Cello Gon~alves |
 | | Book |
| De Beers Consolidated Mines SPONSORS Bateman Group (including Bateman Process Equipment, Bateman Minerals...Bateman Materials Handling) Rio Tinto Trans Hex Group Ltd CONTRIBUTORS Council for Geoscience (Geological...Pressures and Temperatures. Relationships between garnet and clinopyroxene in Vitim mantle xenoliths: evidence...diamond. 61 Cr-poor Megacrysts from the Frank Smith Mine and the source regions of transitional kimberlites...Formation The Buffalo Hills Kimberlite Province, North-central Alberta, Canada. Eclogitic, Peridotitic, Metamorphic |
 | | Book |
| Kimberlites are consequently of interest to a diverse group of earth scientists, ranging from isotope g~ochemists... . . . . . . . . . . . . . . . . . . . 2.6.3. Central Complex Kimberlites-Alnoitic Rocks . . . . . ............. .................... 6.4.3. Pyroxene-Garnet Intergrowths (Paragenesis 3) . . . . . . . . ..... . . . . . . . . . . . . 6.4.9. Orthopyroxene-Garnet Intergrowths ................................ 6...hamlet of Colesbergthe Kimberley Mine (De Beer's New Rush), the De Beers Mine (De Beer's Old Rush), and the |
 | | Book |
| ā_ā 1.12 ā 8 10 ā ā_ 12 14 _ ā 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...major producing districts, or a representative district if there are many. We name the chief mining companies...supply must come not merely from one district but from a single mine. Thus the physical properties of many...the industrial minerals covers a highly diverse group of materials. At the one extreme is gravel and crushed |
 | | Journal (article/letter/editorial) |
| 1ā420 by a pilot project on mineral deposits in Central Europe and in the spreadsheet classiļ¬cation scheme.... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...inosilicate supply and use. . . . . . . . . . . . . . Garnet . . . . . . . . . . . . . . . . . . . . . . . |
| | Journal (article/letter/editorial) |
| 1ā420 by a pilot project on mineral deposits in Central Europe and in the spreadsheet classiļ¬cation scheme.... . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...inosilicate supply and use. . . . . . . . . . . . . . Garnet . . . . . . . . . . . . . . . . . . . . . . . |
 | | Book (edition) |
| Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185 195...book would be more sensibly shared out among a group of authors/gemmologists, each member tackling his...Edition being extracted from āGems of the Silica Groupā to form a separate chapter. I have also reintroduced...extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...Consolidated Mines Ltd, for the information on the Botswana diamond mining; Messrs Eickhorst & Co of Hamburg |
 | | Book |
| a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...nucleation initiation of crystal growth. nucleus the central portion of an atom, positively charged and containing...stone came from ā someĀ¬ times down to the actual mine. Today it is commonplace to see in sale catalogues...some emerald, quartz and garnet ā¢ anatase in rock crystal ā¢ apatite in garnet, kornerupine, corundum and... Formation of inclusions 5 ā¢ epidote in rock crystal ā¢ garnet in corundum ā¢ hematite in topaz and euclase ā¢ ā¢ |
| | Book |
| a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...nucleation initiation of crystal growth. nucleus the central portion of an atom, positively charged and containing...the stone came from - sometimes down to the actual mine. Today it is commonplace to see in sale catalogues...some emerald, quartz and garnet ā¢ anatase in rock crystal ā¢ apatite in garnet, kornerupine, corundum and...inclusions ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ 5 epidote in rock crystal garnet in corundum hematite in topaz and euclase mica: |
 | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) |
| . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . Garnet . . . . . . . . . . . . . . . . . . . . . . . ...can depend on for many years, an international group of volunteer authors, coauthors, and associate editorsāall...least one peer re view. Finally, an outstanding group of professional copy editors, proofreaders, graphi...Geological Survey Salt Lake City, Utah Richard B. Berg Garnet Services, Inc. Kirkland, Washington James D. Hansink |
 | | Book |
| spectroscopy of the Russian Mineralogical Society. The central idea behind the conference program is the application...have been examined. The olivine is zoned: its central part is characterized by elevated forsterite minal...Bronze Age settlement of Kamenny Ambar (Kartaly district of Chelyabinsk region), where they are widely...an increased Fe content in comparison with the central parts. The olivine is represented by fayalite (Table...the amount of forsterite minal increases in the central parts of the crystals. Glass-like phase, representing |
 | | Report (volume) |
| a eereeseeeeseeeenae Sulu-Dabie Terrane, East-Central China, 210-240 Ma Peete ener eee n eee e eee e...Mase ied, ines eee Eclogites from East-Central China Garnet peridotites IMC LAS CGEIME IS eM ecotesc...eesseeenes 354 Olivine-garnet (-pyroxene, and -aluminate spinel), and garnet-pyroxene........... Baers...Recent developments in diamond coating of the central flat region of the gasket (Boehler et al. 1997)...two bevels. Beveled diamond anvils with small central flats of 10 zm and outer diameter of 300 ym were |
