 | | Journal (article/letter/editorial) | | the TGB. Geology of Chittikara area Chittikara (CHT) is located about 15 km north of Trivandrum within...(Fig. 1). A large 40 m high and 150 m wide active quarry here provides fresh exposures of granulite facies...Wada, 1993a; 1993b). Coarse flakes and flaky aggregates of graphite occurring with patches, veins and...al., 2002). The granulite facies assemblages at CHT can be correlated with the high − grade metamorphism...Santosh et al., 2003). EPMA dating of monazite from CHT has also yielded ages around 550 Ma (Bindu et al |  | | Journal (article/letter/editorial) | | O'Nions, 1990). Samples have been collected from six quarry exposures (Fig. 2) that include pelitic assemblages...assemblages at Panayamuttom (PMT), Chittikkara (CHT), and Kuravanthavalam (KVT), and charnockitic assemblages...associations of cordierite with graphite (PMT and CHT) and carbonate lithologies (KDM and KVT) provide...Kuravanthavalam (KVT) Panayamuttom (PMT) Chittikkara (CHT) crd,gt,sil,pl,kfs,bt,spl crd,gt,sil,pl)lds,bt,spl...band of calc-silicate. Cordierite occurrence at CHT is unusual. The dominant rock type here is garnet- |  | Witt, W. K., Hagemann, S. G., Villanes, C., Vennemann, T., Zwingmann, H., Laukamp, C., Spangenberg, J. E. (2016) Multiple Gold Mineralizing Styles in the Northern Pataz District, Peru. Economic Geology, 111 (2) 355-394 doi:10.2113/econgeo.111.2.355 | Journal (article/letter/editorial) | | Gold Mineralizing Styles in the Northern Pataz District, Peru* W. K. Witt,1 S. G. Hagemann,1 C. Villanes...Abstract Gold production from the northern Pataz district in the eastern Andean Cordillera of Peru has been...batholith, in the Vijus-Santa Filomena area of the district. Both are located within a central horst; similar...hydrothermal alteration in the northern Pataz district. Introduction The Pataz-Parcoy goldfields are...main sites of hydrothermal activity in the Pataz district: (1) batholith-hosted veins and related alteration |  | Möller, V., Klemd, R., Joachimski, M., Barton, J.M. (2014) Hydrothermal controls on iron and lead mineralization on the farms Leeuwbosch and Cornwall, Thabazimbi District, South Africa. Ore Geology Reviews, 63. 40-63 doi:10.1016/j.oregeorev.2014.04.009 | Journal (article/letter/editorial) | | the farms Leeuwbosch and Cornwall, Thabazimbi District, South Africa V. Möller a,b,1, R. Klemd a, M....Elsevier B.V. All rights reserved. lead–zinc–fluorite district (Greyling et al., 2001; Huizenga et al., 2006;...Farms Leeuwbosch and Cornwall in the Thabazimbi District of South Africa host high-grade hydrothermal galena...deposits and the 41 Transvaal Supergroup MVT district. In particular, the distinction between surficial...ranges which form topographic highs (Fig. 2): the east to west striking Thabazimbi Range, extending more |  | | Catalog/List | | Calcite. 3xl-}xl". £4. 8. AUTUNITE. Merrivale Quarry, Dartmoor, Devon. Small light green crystals coating...from £1 - £2. 10. i1.ZURITE. Nolda\'IQ, Banat District, Hungary. Bright blue druay crystals associated...Cock, St. Just, Corn\-lall. salmon pink crystal aggregates to I" in size sC3.ttered over QU...golden, massive, '-lith olel lotel. 2x2". 75p. 39. CHt..lCOfYRI1'E. Hheal 1'01'13n, Porthto'Ian, Cormlall...Gorland, St. Day, Corn~~ll. Prussian blue crystal aggregates, associated with bright micro Olivenite crystals |  | Amaral, G., Bushee, J., Cordani, U.G., Kawashita, K., Reynolds, J.H. (1967) Potassium-argon ages of alkaline rocks from southern Brazil. Geochimica et Cosmochimica Acta, 31 (2) 117-142 doi:10.1016/s0016-7037(67)80041-3 | Journal (article/letter/editorial) | | group, ~dth one exception, lies to the north and east of the older group. A t some localities, like PoTos...Brazil. All of the occurrences situated north and east of the city of S£o Pau/o are intrusive into igneous...about 800 ]~n ~ in area, is the largest Brazilian district known to be formed of alkaline rocks. I t was...Geologicmap and sample location of Po~os de Caldas district. Simplified after ET.LERT,BJ6R~m~.RGand COUTnq-~O...of a breccia of magmatic origin. The alkaline district of S~o Sebasti~o occupies the greater part of |  | | Journal (article/letter/editorial) | | Archean granite-greenstone terrane in the northeast district of Botswana. The belt consists of polymetamorphosed...facies in the east. The M3 amphibolite-gade metamorphism was most intense in the east. M4, the retrograde...faciesin the west but amphibolite facies in the east. The M5 event had negligible effect in the west...west and did not exceed the greenschistfaciesin the east (Fig. l). as a very fine-graininclusion in htigbomite...grain size is generallylessthan 0.2 mm. Small aggregates of thesegrains are alwaysfound at the rims of |  | | Journal (article/letter/editorial) | | Group (Fig. 2). The group is exposed in about an east to northeast syncline and is divided into the Lower...12.2 3.3 11.5 4.7 3.69 3.33 P Lvf Lvb Lm Ls Cht Chl 19.2 7.5 21.3 14.4 15.9 16.1 14.3 8.3 19.5...fragments; Cht, chert; Chl, chlorite; HM; heavy minerals; Cal, calcite; Q Qm 1 Qp 1 Cht; F K 1 P;...P; L Lvf 1 Lvb 1 Lm 1 Ls; Lt L 1 Qp 1 Cht; SD, standard deviation. percent oxide. All Fe was first...sandstones. It occurs either as single large opaque aggregates which may be postdepositional alteration products |  | | Journal (article/letter/editorial) | | About 1.5 km west of the village, there is a large quarry within a dolomite lens hosted by mylonites, mica...separated assemblages found in various parts of the quarry. However, there was probably continuous deposition...Massif. The intrusion extends for ca. 70 km from east to west, with Jelenia Góra and Janowice Wielkie...Lasocki Range, border the Karkonosze granite from the east (Fig. 1). The Kowary–Czarnów Unit, divided into...completely located within the Czech Republic. To the east, it borders the Leszczyniec Unit of Cambrian–Ordovician |  | | Catalog/List | | ci en. 114 x 70 x 27 GALENITExx - Neudorf, Harz, East-Germany. A Tery csthetic old-timer. Terminated xls...42. PREHNITE- Luck Quarry, Paterson, Large dark green complete botryodal aggregates to 35 in diameter...interesting. 90. 'J'r. Lorinaer "Kineralogi• und Cht■i•"• Repn■bur~, 1880. 640 PP, BC(v1 ■light daaage) |  | | Journal (article/letter/editorial) | | all of these rocks. Occupying large parts of the district these rocks were, until recently, believed to...postulated for all ore deposits in the area by H. R*CHT~R (1930), but 1 never agreed with this generalization...weilburgite character of the pillows in the Lahn district a weilburgitic or spilitic nature of the 2. The...the temperature of the ore formation. On one aggregates, disseminated ores ("Dispersionshand a temperature...localized condiquartz ore from a mine in the Dill district with tions could give rise to different reactions |  | Litvin, Yu. A., Kuzyura, A. V., Varlamov, D. A., Bovkun, A. V., Spivak, A. V., Garanin, V. K. (2018) Interaction of Kimberlite Magma with Diamonds Upon Uplift from the Upper Mantle to the Earth’s Crust. Geochemistry International, 56 (9) 881-900 doi:10.1134/s0016702918090070 | Journal (article/letter/editorial) | | kimberlite from explosion pipes contains dendritic aggregates Dissolution of diamonds in kimberlite melt upon...are also relatively large dendritic quenched aggregates of carbonate–silicate melt (Fig. 2, sample 1c)...26< – – LOl LOl LOl Cpx Cht Ilm llm Ilm Prv Prv Prv Ар Ар LOl Cht Cht Ilm Prv Ap Lc-s Lc-s Lc-s Lc-s...kimberlite melt in all runs included homogeneous aggregates of small grains of olivine and Ca-carbonate–silicate...Lc-s LOl LOl 46.06 43.74 – 4.40 LOl Cal Ap – Cht Lc-s 40.37 LOl 41.53 39.87 LOl Lc-s 34.10 |  | | Report (chapter) | | monzonite Sample AC01 collected from an abandoned quarry close to Adichunchanagiri temple entrance gate...observed. PT Sample CHT2 – Pink granite RI Sample CHT 2 is a medium to coarse grained granite that shows...grains (phenocrysts?) as well as fine grained aggregates. U This could be either quench texture resulting...grey granodiorite The sample collected from a quarry along the western boundary of the Nagamangala greenstone...monzogranite The sample is collected from an active quarry about 2 km southeast of Pandavpura town. It shows |  | Thorne, W. S., Hagemann, S. G., Sepe, D., Dalstra, H. J., Banks, D. A. (2014) Structural Control, Hydrothermal Alteration Zonation, and Fluid Chemistry of the Concealed, High-Grade 4EE Iron Orebody at the Paraburdoo 4E Deposit, Hamersley Province, Western Australia. Economic Geology, 109 (6) 1529-1562 doi:10.2113/econgeo.109.6.1529 | Journal (article/letter/editorial) | | deposit in the west to the Channar deposit in the east (Fig. 3). The largest and highest grade iron ore...to 65° south in the west and less than 10° in the east near Channar. The Lower Wyloo Group unconformity...65 5 T 50 50 U 6 7432000N 30 6 G 35 32 East 8 30 T UL FA Fortescue Group 25 7424000N BEASLEY...Upper 2 35 23 East Legend Wyloo Group 1 IE 557000E 0 W O 40 11 H 4 East 60 LT 4 West...11 West 18 1 2 BASAL 55 23 EAST A 570000E 570000E 64 East Steep Reverse Faults (SRF) 15 |  | | Thesis/Dissertation | | Secondly, the Choquetanga deposit, located south-east of La Paz city and currently mined for Sn and W...granite from the Quimsa Cruz batholith in the south-east of the Eastern Cordillera.The Quimsa Cruz batholith...dominance of younger sediments derived from the east (Fig. 1; Horton et al., 2002) and deformed under...separate it from the Altiplano basin, and to the east by a long front thrust fault, which forms the boundary...exploitation is limited to sediments used for aggregates in the construction industry (Suarez, 2000). |  | | Journal (article/letter/editorial) | | central part of the Alborz Mountains. The 20km in east-west and north-south directions, was carried out...the eastern part, to the north of Manzarieh and east of Ab-Shar, the agglomerates attain a thickness...and chloritization. Epidote-calcite and albite aggregates occur as pools and veinlets. Cavity-filling quartz...Lms-Sl : Alternation of limestone and slate Ah : Ahar Cht : Chitgar Da : Darrakeh Fa : Farahzad Imd : Imamzadehdavoud...places, sericitic, aggregates. In other samples the plagioclase is altered to aggregates of prehnite flakes |  | Blake, M.C., Harwood, D.S., Helley, E.J., Irwin, W.P., Jayko, A.S., Jones, D.L. (1984) Preliminary geologic map of the Red Bluff 1:100,000 Quadrangle, California. Open-File Report Vol. 1984 (84-105) US Geological Survey doi:10.3133/ofr84105 | Report (issue) | | result of the tectonic accretionary process. The east to west succession of Klamath terranes are: the...Coast Ranges as coalescing alluvial fans. To the east, lahars and minor flows, composed of basalt and...depositional scheme is partially developed on the east side of the valley, but, locally, younger alluvial...chiefly a function of age. The terrace deposits on the east side of the valley are lithologically indistinguishable...distinguishes them from west-side deposits." Correlation of east-side terraces is based on the same criteria used |  | | Journal (article/letter/editorial) | | D. Oliveriovfi Terrane character of the north-east margin of the MoldanubianZone: the Kutn Hora Crystalline...of the Moldanubian Zone. To the north and north-east the KHCC is buried by a thick sedimentary sequence...500 m in the western part and up to 1.5 km in the east. The complete lithology of the Malin Formation underwent...MICASCHIST ZONE PLAF4ANY FORMATION M 1 - M a r +Ep+ St÷Cht+Qz+[[m +Gt M2-Gt+ Bi + Kf M 2-Gt +Ky+St+ Bi+Mu...generally subvertical or steeply dipping to north-east (Figs 2 and 5), whereas in the Malin Formation the |  | | Journal (article/letter/editorial) | | north-west and the Huaian TTG gneiss terrane to the south-east (Zhao, 1994). The two units have been considered...equigranular, near mono-mineralic clinopyroxene aggregates are preserved (Fig. 3c), modified only slightly...away it is not unusual to find individual grains, aggregates or coronas of orthopyroxene next to matrix clinopyroxene...around garnet itself surrounded by Opx aggregates, and Cpx aggregates with minor Pl at triple junctions;...Amp + Pl around garnet itself surrounded by Opx aggregates and a symplectite-like Cpx + Pl + Opx domain; |  | | Journal (issue) | | ............................. Minerals of the District of Columbia ~1 Vicinity with Pertinent Bibliography...Satisfaction guaranteed. BARRY L. K UGLER 30 Lenox Avenue, East Orange, N. J. f A• •, ,l. 1 • >EMIPRECIOU>...crystallized Rbodoebrosite from the rich gold n1ining district of Alma , Colorado, n1ns high. Unfortunately,...or Lime Rock, in Connecticut, where a limestone quarry operated by the New York Gypsum Co., furnished...with thnt found at the New England Lime Oo.'s quarry; at East Canaan, Conn. We then shoved off for the old |  | | Corporate Document | | foundry, construction, asbestos pipe, abrasives. “Aggregates Plant No 4, Acton, Ontario Plant No7, Milton...1976 capital program is $280,000 Outlook The quarry haulage contract was terminated and our own trucks...two quarrying operations producing limestone aggregates for the construction industry. The quarries are...two quarrying operations producing limestone aggregates for the construction industry. The quarries are...109'0¢ 98E'cl (€86' 1) 899'¢ ove t Ss =§ OSb Ee cht GOEL OL CGe Le9 ¢ Pue cL6L 9y} UO JO 1OaIJa |  | | Journal (article/letter/editorial) | | (2) Within kornerupine grains, zoned, round aggregates consist of very fine-grained chlorite, tourmaline...sapphirine-bearing assemblages. The fine-grained aggregates formed most likely during further cooling, or...time about 2 km south of Imanombo and 37 km south-east of Beraketa (Fig.l, locality 10). The diopsidite...some kornerupine grains there are zoned, round aggregates (see Fig. 3A) of chlorite, tourmaline, and corundum...the chlorite bordering the kornerupine. These aggregates are typically not found in the margins of kornerupine |  | | Journal (issue) | | which occurred abundantly as well crystallized aggregates, a n d hannayite. M g , ( N H , ) , H, ( PO,...1902: On minerals occurring in Austr.than bat gWlno Cht-m. Ntk'J lond.. &S; 181-182 ti.·hngayc, J.C H . 1S98:...an outline of the geography of the I ron Knob district. and its relationship to the a rea of South Australia...metamorphism. Iron Monarch is the location of the quarry where current mining activity is centred. and Dr |  | | Journal (article/letter/editorial) | | mineral is present in the form of light-green aggregates of crystals. The cores of the larger individuals...participates in the skarn body as almost monomineralic aggregates of individual euhedral crystals up to 8 cm in... STANNIAN ANDRADITE 385 K~.LOV~ (M.), 1960. Sbornlk V~CHT v Praze, odd. fak. anorg, org. techn., vol. 4, 5~st |  | | Book | | LSUAVEY Geology of the Haddington district Nor1h Berwick LAW • Gullane - • Longniddry GARLETON...Haddington district 'fhe cl ist net described in this memoir includes that part of the East Lothian roast...south-w('st part of the Lan1mermuir H ills. The district is covered bv Sheet 33W and part of Sheet 4 1...chapter outli nes the physical features of the district and the geological history. The Lower Palaeozoic...Carboniferous sediments underlie the major part of the district and successive chapters give the details of the |
|
