| | Journal (article/letter/editorial) | Washington, DC 20013 pohwatp@si.edu GROSSULAR Jeffrey Mine, Asbestos, Les Sources MunicipalitĂ© RĂ©gional de...Figure 1. Grossular, 7 Ă 8 cm, from the Jeffrey mine, Asbestos, Les Sources MunicipalitĂ©, RĂ©gional de...grossular dodecahedra is commonly observed on Jeffrey mine specimens. This particular specimen is one of the...modified single crystal of grossular from the Jeffrey mine, Asbestos, QuĂ©bec, Canada. The Arkenstone specimen...12-cm-high group of grossular crystals from the Jeffrey mine, QuĂ©bec, Canada. Formerly in the Charles Key collection | | | Report (issue) | hematite is from the Wessels Mine near Hotazel in northern Cape Province, South Africa. Dan Carlson specimen;...Photo Credits Cover: Grossular on diopside; 7.1 cm tall Jeffrey Mine, Asbestos, Richmond County, Quebec...Spessartine from Tongbei BY BERTOLD OTTENS 70 Pakistan and Afghanistan: Garnet from the Roof of the World...Spessartine, schorl, and a/bite from the Little Three Mine in San Diego County, California; 6. 6 cm tall; Bryant...villages of Soghan and Bagha Borsch in Kerman Province, 6 Iran. The cat's-eye is caused by oriented | | | Journal (article/letter/editorial) | fractionation from two distinct melts: a strongly diopside-normative melt and a fractionated picritic melt...exhausted, transitioning to asthenospheric sources (Mana et al. 2012; Perry et al. 1988; Rocholl et al. 1995;...compositions, and major and trace-element geochemistry, Mana et al. (2015) distinguished four stages of volcanic...veins in the continental lithospheric mantle (CLM) (Mana et al. 2015). Broadly speaking, the isotopic and...as deeper source heterogeneities in the mantle (Mana et al. 2015). Despite this wide isotopic compositional | | | Journal (article/letter/editorial) | chlorite. The granite was emplaced in the almandine-diopside-hornblende subfacies and sillimanite-almandinc...Maipouri, Mana . 1937 ± 40 muscovitc, idem . 1932 + 40 muscovite, ber\'l pegmatite; Saint Maipouri, Mana 1870...pegmatite; OA creek,'Mana 1SSO + 30 2041 + « biotite, pegmatite; Saint Tarnation, Mana . 2053 + 19 biotite...upper Sinnamary muscovite, pegmatite; OA creek, Mana 1910 + 30 .. 2102 + 10 Determinations carried...of British Guiana. PAKISTAN SHELL OIL Co., LTD., Box 88, CHITTAGONC, EAST PAKISTAN MANUSCRIPT RECEIVED | | Stoppa, Francesco, Rukhlov, Alexei S., Bell, Keith, Schiazza, Mariangela, Vichi, Giada (2014) Lamprophyres of Italy: early Cretaceous alkaline lamprophyres of Southern Tuscany, Italy. Lithos, 188. 97-112 doi:10.1016/j.lithos.2013.10.010 | Journal (article/letter/editorial) | contain by volume: 35â 46% of K-feldspar, 16â20% of diopside, 15â20% of mica and amphibole, 6â15% of carbonate...Phenocrystsâmicrophenocrysts Euhedral olivine, diopside, biotite, and kaersutite form the phenocryst assemblage...in electronic supplements 1-7. Clinopyroxene is diopside with 46 mol% enstatite, 51 mol% wollastonite,...3c). The Ca# is inversely correlated with Mg#. Diopside generally has an undersaturated T-site (Fig. 3d)...proportion and TiO2 show an increase in the rims of the diopside phenocrysts. SiO2/Al2O3 vs Mg# values all fall | | | Report (chapter) | THU & KHIN ZAW Fig. 23.1. Locations of the Jade Mine, Mogok Stone Tract and Mong Hsu areas and the tectonic...contain ruby; others have spinel, forsterite or diopside, or are phlogopite-graphite marbles (Kammerling...36, Pyant-gyi; 37, Pin-pyit; 38, Chaung-gyi; 39, Mana; 40, Kyauk-wa. rocks, mainly schist and gneiss...age) include biotiteâalmandineâstaurolite schist, diopside calcsilicate rocks and biotite quartzite interbedded...facies, as indicated by the mineral assemblage of diopside, phlogopite, scapolite and plagioclase. The most | | | Journal (article/letter/editorial) | northern Tanzania The Late TertiaryâRecent volcanic province of northern Tanzania is the most recently initiated...relatively young age (b~6 Ma), the northern Tanzania province contains volcanic rocks produced at the onset...the oldest volcano in the province, Essimingor â dated at 5.9â5.8 Ma (Mana et al., 2011) is a nephelinitic...with CO2 inclusions and also contain secondary diopside, apatite and monazite, overall indicating interaction...to a modiïŹed liquid that could then precipitate diopside+nepheline (olivine-free nephelinite). A combined | | Nozhkin, A.D., Turkina, O.M., Dmitrieva, N.V., Travin, A.V., Likhanov, I.I. (2018) Metacarbonate-terrigenous complex of the Derba block (East Sayan): petrogeochemical and isotope parameters, metamorphism, and time of formation. Russian Geology and Geophysics, 59 (6) 652-672 doi:10.1016/j.rgg.2018.05.005 | Journal (article/letter/editorial) | mark faults: 1, Major East Sayan Fault; 2, Kan, 3, Mana; 4, Kazyr; 5, Kandat; 6, Kolba. Dotted line shows...trenches along the AbakanâTaishet railroad), within Mana Belogorie (Shinda and Dizo Rivers, Telo Ridge, and...northwest of the Derba block (basin of the Krol River, Mana Belogorie) (Fig. 2a), the Alygdzher Formation is...northwest of the Derba block (Krol River basin, Mana region), the Zhaima Formation is composed of black...block (Nozhkin et al., 2005; Turkina, 1997). In Mana Belogorie, granitoids form areas of thin (no more | | | Journal (article/letter/editorial) | from 6 Ma to present (e.g. Bagdasaryan et al. 1973; Mana et al. 2015). The youngest extrusive volcanoes of...Ma in the Northern Tanzania (Essimingor volcano; Mana et al. 2012, 2015). The axial valley is narrow (50...(nph) (3.5â31 vol%), clinopyroxene (4.5â7.5 vol%, diopside), garnet (0â3 vol%, andraditeschorlomitess) phenocrysts...Primitive mantle values from Sun and McDonough (1989) diopside compositions according to the classification of...Clinopyroxene compositions represented an aegirine (Na)-diopside(Mg)hedenbergite (Fe2++Mn) triangular (atom %) | | | Journal (issue) | Washington (for quartz and pyrite) and the Rock Candy mine in British Columbia (for fluorite and barite). Income...locations, including the Little Gem amethyst scepter mine in Montana, the Fluorita Dulcita prospect in Arizona...Lode, the California Mother Lode and the Homestake mine. Every known type of minerâs candlestick is illustrated...Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In 1978 a historic...discovery of Rhodochrosite was found in the N'Chwaning 1 mine in the Kalahari manganese fields of South Africa | | | Journal (issue) | formation. 223 Blue Sapphires from the Baw Mar Mine in Mogok Hpone-Phyo Kan-Nyunt, Stefanos Karampelas...bring our readers more of these âdirect from the mineâ articles, particularly from GIAâs dedicated field...magnified 10Ă; pyrope (center), magnified 40Ă; and diopside (right), magnified 30Ă. Photomicrographs by John...macrodiamonds in the Wawa belt of the Superior geologic province of Canada (Stachel et al., 2006). In both cases...Argyle mine (Shigley et al., 2001), and its smaller and younger cousin, the nearby Ellendale mine, specimens | | | Report (edition) | contribution in Precambrian Geology of Himachal Pradesh Province in Chapter-17 and also thank other young compilers...Peninsula Chapter 1 Dharwar Province Chapter 2 Southern Granulite Province Chapter 3 Cover Sequences (e...Chapter 4 Bastar Province Chapter 5 Satpura Province Chapter 6 Eastern Ghat Province Chapter 7 Cover Sequences...â North Orissa Province Chapter 9 North Singhbhum Mobile Belt â Chhotanagpur Province Chapter 10 Meghalaya...Meghalaya Province Chapter 11 Cover Sequences (e.g. Kolhan Basin) Geological Survey of India vii Special | | | Journal (issue) | moving products from mine to consumer. The main cover image was taken at the AnahĂ mine in Bolivia, a major...instrumentation such as LA-ICPMSâonce primarily the province of academiaâbecame a fixture in many gemological...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...of the company (Even-Zohar, 2007). Because of the mine closures, De Beersâs market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds | | | Journal (article/letter/editorial) | Complex (PC), located within the Northwest NU Province of South Africa, is among the three largest known...it belongs to the larger Pilanesberg Alkaline Province CE P (Verwoerd, 2006). The Pilanesberg Complex...Pilanesberg Alkaline Province, its study may yield information on the prospectivity of the province as a whole...similar age in the larger Pilanesberg Alkaline Province and to well-known alkaline complexes elsewhere...related to the ca. 1.11 Ga Umkondo Large Igneous Province (de Kock et al., 2014). The PC has been intruded | | Alam, Masroor, Li, Sheng-Rong, Santosh, M., Shah, Attaullah, Yuan, Mao-Wen, Khan, Hawas, Qureshi, Javed Akhter, Zeng, Yong-Jie (2019) Morphological, thermoelectrical, geochemical and isotopic anatomy of auriferous pyrite from the Bagrote valley placer deposits, North Pakistan: Implications for ore genesis and gold exploration. Ore Geology Reviews, 112. 103008 doi:10.1016/j.oregeorev.2019.103008 | Journal (article/letter/editorial) | from the Bagrote Valley placer deposits, North Pakistan: implications for ore genesis and gold exploration...from the Bagrote Valley placer deposits, North Pakistan: implications for ore genesis and gold exploration...from the Bagrote Valley placer deposits, North Pakistan: implications for ore genesis and gold exploration...Karakoram International University, Gilgit 15100, Pakistan b State Key Laboratory of Geological Processes...-R. Li). Abstract The Bagrote valley in North Pakistan, belonging to the Kohistan island arc, is well-known | | | Book | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...measuring 2.5 X 8 X 12 cm (Pekov, 2000). ASIA PAKISTAN FORMER SOVIBT UNION RUSSIA Dodo deposit near | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...Geological Regions of Canada ©) en, Sey SP It lex) BP Mana RH PDN Re Wwe NO ix pee ea =o Metallic Minerals...(41795): Massive native gold in quartz. Mcintyre Mine, Timmins, Tisdale Tp., Cochrane Dende TOntaae ...Antonio Mine, Bissett, Manitoba; McIntyre Mine, Timmins, Tisdale Township, Cochrane District, Ontario;...Ontario; Darwin Mine, McMurray Township, Algoma District, Ontario; nuggets occur in placer deposits in the | | Nabyl, Zineb, Massuyeau, Malcolm, Gaillard, Fabrice, Tuduri, Johann, Iacono-Marziano, Giada, Rogerie, GrĂ©gory, Le Trong, Emmanuel, Di Carlo, Ida, Melleton, JĂ©rĂ©mie, Bailly, Laurent (2020) A window in the course of alkaline magma differentiation conducive to immiscible REE-rich carbonatites. Geochimica et Cosmochimica Acta, 282. 297-323 doi:10.1016/j.gca.2020.04.008 | Journal (article/letter/editorial) | De Moor et al., 2013, Mattsson et al., 2013 and Mana et al., 2015). In total 540 samples from GEOROC...publication (De Moor et al., 2013; Mattsson et al., 2013; Mana et al., 2015) were used for the East African Rift...melts. European Journal of Mineralogy 31, 49â59. Mana S., Furman T., Turrin B. D., Feigenson M. D. and...liquid; CL: carbonate liquid; CPx: clinopyroxene (diopside-hedenbergiteaegirine solution); Cc: calcite; Ttn:...liquid; CL: carbonate liquid; CPx: clinopyroxene (diopside-hedenbergite-aegirine solution); Cc: calcite; | | | Book (edition) | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...First Edition For two decades, an earlier work of mine â Practical Gemmology â has proved a useful elementary...intermediate and acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals...contain calcic minerals such as grossular garnet and diopside. The cooler zone further away from the intrusion...particularly in the Yun Yang deposit in Hubei Province, China. For many years on the basis of experimental | | | Book (volume) | tapissĂ©e de lames hexagonales de minguĂ©tite de mine de fer de Minguet prĂšs SegrĂ©; au milieu de ces lames...6386, np 1,6343]. les minĂ©raux provenant de la mine hexagonaux de pyromorphite prĂ©senmĂȘmes associations...venant de Tamaris, prĂšs Alais (probablement de la mine de pyrite). Ils sont caractĂ©risĂ©s par lâĂ©gal dĂ©veloppement...plus grande dimension. , â Madagascar. Dans la mine de Ranomafana, de la rĂ©gion dâAndavakoera, les filons...quelquefois dans le spath dâIslande. ; Madagascar. - La mine de Ranomafana fournit de belles gĂ©odes en rhomboĂšdres | | Konopleva, N. G., Ivanyuk, G. Yu., Pakhomovsky, Ya. A., Yakovenchuk, V. N., Mikhailova, Yu. A., Selivanova, E. A. (2015) Typochemistry of rinkite and products of its alteration in the Khibiny Alkaline pluton, Kola Peninsula. Geology of Ore Deposits, 57 (7) 614-625 doi:10.1134/s1075701515070065 | Journal (article/letter/editorial) | veins and Juksporr rinkite prospect (Lovchorrite Mine) (Gutkova, 1933; Ozhinsky, 1935) Fig. 1. Geological...apatiteânepheline rock from Deer Brook deposit; (6) diopsideâorthoclase hornfels, Mt. Jumjechorr; (7) rinkite...Goryainov, P.M., Resource Potential of the Kola REE province, in Geologiya i strategicheskie poleznye iskopaemye...Khibiny and Lovozero agpaitic centres, Kola alkaline province, Russia, Lithos, 1994, vol. 32, pp. 225â 242....pegmatite in fenitized amphibolite at Mt. Chil mana, in Geologiya i strategicheskie poleznye iskopaemye | | | Journal (article/letter/editorial) | lower A12O3.In the equally famous West Kimberley province of Australia (Carmichael,1967,Table 6; Mitchell...pyroxenites and phlogopite peridotites) in the Gardar province of south Greenland(Upton and Thomas, 1973,Table...Haystack Butte, in the potassic Highwood Mountains province of Montana (Wendlandt, 1977,Table 25) plots within...they have websterite xenolith from the Monastery Mine, South lower TiO2and Al2O3,higherSiO2,and higherlng...the "secondarymetasomatic"micasof kimberlitesand mana Note, however, that Robert (1976) suggeststhat | | Liu, Haiming, Beaudoin, Georges, Makvandi, Sheida, Jackson, Simon E., Huang, Xiaowen (2021) Multivariate statistical analysis of trace element compositions of native gold from orogenic gold deposits: Implication for mineral exploration. Ore Geology Reviews, 131. 104061pp. doi:10.1016/j.oregeorev.2021.104061 | Journal (article/letter/editorial) | indicator mineral methods using garnet, magnetite, Cr diopside, olivine, gold, etc., to mineral exploration has...element composition of gold grains from the Klondike District (Canada) suggests that Pt, Sn, Hg, Cu, Cd, and...grains from orogenic deposits in the Cariboo Gold District, British Columbia. Overall, compositional data...gold grains from the Koyukuk-Chandalar mining district (Alaska, Mosier et al., 1989), the Ballincurry...with a plutono-volcanic event in the Rosebel gold district (Daoust et al., 2011), and higher temperature | | | Journal (issue) | Wilson The Minh Tien tourmaline mine, Luc Yen Mining District, Yenbai Province, Vietnam . . . . . . . . ....the Minh Tien pegmatite, Luc Yen Mining District, Yenbai Province, Vietnam . . . . . . . . . . . . . . ...Quartz, 12 cm, from the Minh Tien pegmatite, Yenbai Province, Vietnam. FrĂ©dĂ©ric Escaut specimen and photo (courtesy...(Bunny later coauthored, with Richard W. Holmes, Mine and Mineral o he rea merican Ri .) Curtis had first...the desert about 10 miles from the famous Tiger mine, where he left a suicide note with his abandoned | | | Journal (article/letter/editorial) | rates of removal of atmospheric CO2 by POWdered diopside in the absence of liquid water indicate that CO*...BANIN); Tech. Rpt. 92-04. Part I. pp. 36-37. LPI. TRE~MANA. H.. BARRETTR. A.. and GOODINC~ J. L. (1993) Preterrestrial |
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