Quartz Veins
Composition of Tourmaline in Leucogranite, Pegmatite, Quartz Veins and their Country Rocks from Hajiabad area, Boroujerd, NW Iran
... tourmaline quartz veins, ranging in thickness from a few cm to more than one meter, cross-cut the granitic ...of quartz tourmaline veins is simple consisting of quartz, tourmaline and ...
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Cu-Mo-Au Metallogeny Associated with Proterozoic Tectonomagmatism in MalanJkhand Porphyry Copper District, Madhya Pradesh
... The presence of stringer type of ore in quartz veins, disseminated sulphide mineralisation associated with ferromagnesian assemblages, and quartz vein selvages in Malanj[r] ...
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Application of Electrical Resistivity and Chargeability Data on a GIS Platform in Delineating Auriferous Structures in a Deeply Weathered Lateritic Terrain, Eastern Cameroon
... sulphide-bearing quartz veins within schist was the target of interest and the IP and resistivity were therefore efficient techniques in identifying the mineralized ...
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Metasediments in the Alahina Sector and Associated Mineralization (North Eastern Guinea)
... Sixteen (16) rock samples including twelve (12) meta-sediments and four (04) hydrothermal quartz veins were collected over the study area. Thin sections and polished sections are made and the petrographic ...
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Environment and Quality of Life Selected papers arising from the EEC primary raw materials programme (1978 81) EUR 8617 EN FR 1984
... Scheelite mineralization occurs in: marble-skarns in Upper Proterozoic metasediments often spatially associated with Caledonian or older granitic intrusives; skarns and quartz veins in L[r] ...
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Geochemistry and origin of the Asimotrypes carbonate hosted mesothermal gold deposit, Pangeon mountain, N Greece
... crystallisation phenomena and retrograde metamorphism. Pyroxene, epidote and titanite form thin bands surrounding the phenocrysts. In places, especially close to the crosscutting quartz veins in contact ...
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The regional geophysical setting of Gold mineralisation in northeast Tasmania
... ABSTRACT Gold mineralisation in northeast Tasmania occurs mainly within quartz veins hosted by a thick sequence of folded Ordovician to Devonian turbidites known as the Mathinna Group.. [r] ...
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Application of titanium-in-quartz thermobarometry to greenschist facies veins and recrystallized quartzites in the Hs¨uehshan range, Taiwan
... in quartz in the samples occurred predominantly during the migration of grain ...recrystallizing quartz and the grain boundary ...non- quartz phases, see ...mylonitized quartz veins ...
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Reconnaissance study on gold mineralization at abu khalag area, Bayuda desert, Sudan
... auriferous quartz reefs are variable in colour, size, and are preferably hosted in the silicate rather than quartzites and gneisses, suggesting that gold The primary occurrence of gold grains is free-lodes in ...
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Gold distribution at the E26 porphyry copper gold deposit, Goonumbla N S W
... Cu-Au mineralisation at E26 occurs in stockwork quartz veins and disseminations associated with potassic alteration which is intimately associated spatially and temporally with small fin[r] ...
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Geological Setting of the Reed Gold Mine, North Carolina.
... In order to better understand the nature of the RGM sink and to see if the veining is related to any other local or regional structures, I examined the orientation of the Au-bearing quartz veins. It is ...
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A study of IOCG-related hydrothermal fluids in the Wernecke Mountains, Yukon Territory, Canada
... Chapter 4 Figure 4.23: a dolomite + quartz veins cutting and brecciating dark grey QG-GLG siltstone from the SlatsWallbanger prospect sample STW95-1-5.75m; b euhedral quartz crystal occu[r] ...
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DETERMINING TEMPERATURES OF DEFORMATION IN MYLONITES FROM THE SCANDINAVIAN CALEDONIDES, WITH IMPLICATIONS FOR THE THERMAL AND KINEMATIC EVOLUTION OF OROGENS
... in quartz must be reset during deformation, since most TitaniQ deformation temperatures fall well below the metamorphic peak, and because TitaniQ temperatures in host rocks mimic TitaniQ temperatures in ...
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Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos
... individual quartz vein samples of drill cores collected from (a) SMD Stages 3B (pyrite-sphalerite-galena-quartz veins) occurring in both the SMD SHGD and the Cu skarn zones in the SMD copper ...
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The Paleozoic Mount Carlton deposit, Bowen Basin, Northeast Australia: shallow high-sulfidation epithermal Au-Ag-Cu mineralization formed during rifting
... of quartz-alunite alteration, which are, in turn, enveloped by a zone of quartz-dick- ite-kaolinite ...with veins and hydrothermal breccias within a massive rhyodacite ...
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Chemical Variation of Tourmaline and Source of Hydrothermal Solutions in Nezam Abad W-(Sn) Ore Deposit, Sanandaj-Sirjan Zone, West-Central Iran
... sometimes shows systematic variation in chemical trends from core to rims of the crystals. The ratio of Fe/Fe+Mg varies between 0.35 and 0.48 (Table 5). To confirm any coincidence between optical and chemical zonation, ...
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Geology and mineralisation of the Cape Horn Lyell Comstock area, Mt Lyell
... Porphyritic quartz ch10rite schist Quartz sericite schist with chalcopyrite Quartz sericite carbonate schist Pyritic quartz sericite schist Banded chlorite sericite quartz schist Lithic [r] ...
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A comparative study on outcome of surgical management of varicose veins with and without venous stripping
... This is to certify that the dissertation entitled “A COMPARATIVE STUDY ON OUTCOME OF SURGICAL MANAGEMENT OF VARICOSE VEINS WITH AND WITHOUT VENOUS STRIPPING” is a bonafide work done by Dr.S.M.Anandh, Post ...
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← Return to Article Details A review on hetus of varicose veins
... The life style changes, obesity, occupational pattern of prolonged standing and pregnancy are considered to be significantly contributing to this situation known as Varicose veins wherein veins become ...
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Geology of the Kapit Ore Zone and comparative Geochemistry with minifie and Liennetz Ore Zones, Ladolam gold deposit, Lihir Island, Papua New Guinea
... The Kapit ore body is hosted by diverse volcano-sedimentary and hydrothermal facies. The coherent facies include basalt, diorite and andesite. The volcaniclastic facies comprises two types of polymict matrix-supported ...
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