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Gold mineralisation

  • Gold Mineralization ResearchGateJun 01, 2009· The gold mineralization is confined t o goldbearing quartz veins, silicified alteration zones and hydrothermally altered dykes confined to granitoid andAuthor I

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epithermal g for explorationists australian institutesurficial g mineralisation may form proximal to fluid upflows, commonly eruption breccias (e.g., mclaughlin, champagne pool). some of the eruption breccia systems cap sheeted veins (e.g., mclaughlin, twin hills), which extend into the breccia, while others cap granite intrusion and g mineralisation howleygranite intrusion and g mineralisation howley district n.t. download. related papers. application of stress mapping in crosssection to understanding ore geometry, predicting ore zones and development of drilling strategies. by brock salier.drilling permit for santa teresa g project receivedmay 09, · drilling will aim to test extensions of known g mineralisation zones along strike and at depth, as well as target areas of interest identified by review of prior drilling results, combined with information gained from a detailed structural mapping completed by consultant geologists minera cascabel (see comet asx announcement of 3 february ).structural and lithological controls on gmackie et al.g mineralisation in otago schist 45 fissile, has a relatively high proportion of muscovite, and has abundant foliationparallel quartzrich segregations. these different schist rock types are locally interlayered on the 0. m scale as well. postmetamorphic deformation the regional flatlying schist foliation has beeng department for energy and miningg mineralisation is widespread and found in most geological provinces of the state as primary and/or secondary deposits. primary deposits are of two types auriferous quartz veins, known as reefs or lodes, which are typically localised along faults, shears, joints or bedding planes.high grade sampling results at karibib copper andg project highlights results received confirm mineralisation extends over the exposed rocks of a km x 2 km metasedimentary structural feature outcropping skarntype mineralisation rock chip samples (44 samples) returned the following average results o 4.32 % cu (highest 28.40% cu) o 1.49 g/t au (highest 7.65 g/t au)structural controls on witwatersrand g mineralisationjun 01, 04· g mineralisation in the vcr is controlled and hosted by lower klipriviersberg age thrustfracture systems (jolley et al., 99, gibson et al., 2). the detailed nature of fracture formation and hence fluid flow and mineralisation varies regionally across the vcr because of changes in stratigraphy subcropping beneath it, the nature of the vcr package and the size and geometry ofcited by 70home g basin resources corporationjul 22, · g basin corp. provides investors exposure to an advanced oxide g project with highlypositive drilling results, welldefined targets across a 30km 2 landhing, and excellent potential to delineate substantial quantities of nearsurface g mineralisation in one of the worlds best jurisdictions for mining.the bakyrshik deposits g mineralisationthe giant accumulation of g in the gen mile deposit was formed due to protracted g mineralisation throughout episodes of an archaean orogeny that

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Advantages of g mineralisation

g mineralisation during orogenic extension srk consultingg mineralisation is hosted in quartztourmalinepyrite veins, veinlets and stockworks forming a stacked, shallowdipping set of extension veins associated with more extensive faultfill veins parallel to the valentine lake thrust fault. the bulk of g mineralisation is associated with the main compressional orogeny. one of the depositscomet unearths mexican fine g the west australianfeb 03, · comets expert geological consultant, minera cascabel has undertaken a comprehensive mapping program across the mine environs and its surrounds and its work is beginning to unravel the structural architecture hosting the highgrade g mineralisation throughout the project area.is accessible for free trueg mineralization research papers academia.eduthe second and main g mineralization stage is associated with a lowdisplacement faultfracturevein mesh formed during a reverse faulting episode. this second g phase is associated with a polymetallic assemblage including w and au ± pb and is characterized by pronounced albiteankeritepyrite hydrothermal alteration in wall rocks. g mineralization researchgatejun 01, 09· the g mineralization is confined t o gbearing quartz veins, silicified alteration zones and hydrothermally altered dykes confined to granitoid andauthor ibrahim badrsuperior extends g mineralisation in north queenslandsep 01, · the results confirm a substantial extension of strong mineralisation downdip from drilling completed during . this follows on from positive. results from the first very hole of the drilling campaign at steam engine, which included a 10m g intercept with 2.8 g/t g. superior hopes to extend the existing resource which clocks in at aindiana investigates new g mineralisation in the gawleraug , · indiana investigates new g mineralisation in the gawler craton. mining. august , special report. share. indianas recently completed regional aircore drilling at the lake labyrinth shear zone (llsz) has identified a new target about 1,500m along strike from the ariadne prospect. the target was identified from an encouraginggreatland g plc havieron development and explorationsep 09, · mineralisation in the havieron deposit is hosted by metasedimentary (metasandstones, metasiltstones and metacarbonate) and intrusive rocks. g and copper mineralisation is hosted in breccia, vein and massive sulphide replacement styles, typical of intrusionrelated and skarn types of mineralisation.superior extends g mineralisation in north queenslandsep 01, · significantly, mineralisation thicknesses have increased in several parts of the lode, indicating greater potential for the existence of large, gmineralised zones at depth. with the expansion of the greenvale drilling program to , metres, 10, metres of which will be drilled at steam engine, we are anticipating a significantcomet unveils highgrade mexican g resource the westoct , · the new jorc resource is based upon the results from 32 diamond drill holes emplaced by premier g mines in 08. the holes were drilled perpendicular to the interpreted strike of the quartz vein array that hosts the g mineralisation, withis accessible for free true

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The case of g mineralisation

comet unveils highgrade mexican g resource mexicooct , · the new jorc resource is based upon the results from 32 diamond drill holes emplaced by premier g mines in 08. the holes were drilled perpendicular to the interpreted strike of the quartz vein array that hosts the g mineralisation, withg earth resourcesjun 02, · epizonal orogenic g mineralisation forms by precipitation of g from lowsalinity fluids at depths of two to six kilometres and temperatures between 0°c and 300°c. these types of deposit are most common in the western part of the melbourne zone and in the eastern bendigo zone. most individual deposits are small.eagle set to soar after de grey drilling strikes more gsep 09, · new mineralisation was also intersected north of eagle with results such as m at .6g/t g from 6m. recent drilling at eagle has significantly increased the scale of the mineralised intrusion to approximately 950m strike, 0m width and 350m depth. the system remains open, general manager exploration phil tornatora said.the structural controls of g mineralisation within theg mineralisation, broadly constrained between approximately 2,680 and 2,625 ma, occurred diachronously in different parts of the egp; however, the major g mineralisation event for the egp has been further constrained to approximately 2,640 and 2,630 ma (groves et al. 2), with evidence for an earlier mineralisation episodeantipa minerals (asxazy) finds g and coppersep 06, · antipa minerals (azy) has found g and copper mineralisation at its minyari dome project in western australias paterson province. the company commenced the drilling program in early may to test for extensions and explore new zones of mineralisation.antipa minerals unearths robust gcopper hits up to 362sep 05, · antipa minerals ltd has recorded further strong g and copper hits during its drill program at the minyari dome asset in western australias famed paterson province.. a diamond drill and diamondtail hole contributed more robust gcopper grades to the annual exploration campaign, with the latter more than doubling a mineralised intersection to 362 metres in length and grading 1.4 g

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