Hodgkinson formation
Nettet2. des. 2005 · In the Chillagoe Formation, they are typically associated with chert intervals. Within the Hodgkinson Formation, a number of distinct belts, including the ~3 km wide Larramore Metabasalt Member, consists mainly of metabasalt flows and interlayered chert lenses that commonly show a weak to prominent tectonic foliation … Nettet1. mai 2009 · The formation of the veins can be explained by a model which involves fracture of the wallrock, reaction between the fracture wall and the ambient metamorphic fluid and eventual sealing of the fracture by precipitation from the fluid. The new vein is then a locus of further fracture.
Hodgkinson formation
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Nettet1. okt. 2024 · The porphyry and Hodgkinson Formation are crosscut by a series of veins of biotite, chlorite, muscovite and garnet, and a series of steeply dipping, NNW trending faults. The UNA Porphyry at the Baal Gammon open pit surrounding hills is highly altered, and has a vuggy texture. Nettet2. feb. 2024 · A stratigraphic component of the Hodgkinson Formation forms an important metabasalt-chert ridge in the western part of the tenement. Mineralisation and reserves of the tungsten deposit The tungsten deposit at Mt Carbine comprises several vertical to sub-vertical sheeted quartz veins with widths up to 7m.
NettetMany areas within the Hodgkinson Province, par-ticularly within the Silurian-Devonian Hodgkinson Formation, have been exploited for gold (e.g. de Keyser and Lucas 1968), much of which has been alluvial. The presence of gold hosted by in situ veins is relatively re-stricted and has con®ned previous studies of primary NettetAnEXTENDED ABSTRACTis available for download._x000D_ A full-length paper was notprepared for this presentation._x000D_ The Watershed tungsten deposit is located in the Hodgkinson Province of north Queensland, Australia. The deposit is hosted by Siluro-Devonian flysch-type meta-sediments of the Hodgkinson Formation, which were …
NettetThe Hodgkinson Formation is dominated by laterally discontinuous arenites, siltstones and shales with minor conglomerate, chert, basalt and limestone units. The sedimentary structures and bedding features are diagnostic of turbidity current deposits in a deep water, submarine fan system. The geological age of the formation is Late
NettetThe Hodgkinson Formation is the largest subdivision of the north-northwest trending Silurian-Devonian Hodgkinson Province 1) (Fig. consist It . s mainly of quartz-greywacke turbidite tos metamorphosed lower greenschis ant faciesd th contace t meta, - morphosed equivalents of these adjacent to granitoids (Richards, 1980; Rubenach & Bell, 1988; …
NettetThe Hodgkinson Province is a tract of␣multiply deformed Silurian-Devonian rocks in north␣Queensland, Australia. Gold-bearing quartz veins from the West Normanby Goldfield in the northern... metal shelving with glass shelvesNettet1. mar. 2024 · The Hodgkinson Formation in the Watershed area comprises skarn-altered conglomerate, psammite, and slate units that record four deformation events evolving from ductile, isoclinal, colinear folding with transposition (D 1 –D 3) to brittle ductile shear zones (D 4). metal shelving with pull out drawersNettetCrack-reaction veins from the Hodgkinson Formation, North Queensland, Australia. Geological Magazine, 131, 49-56. Davis, B.K., 1993. Mechanism of emplacement of the Cannibal Creek Granite with special reference to timing and deformation history of the aureole. Tectonophysics, 224, 337-362. metal shelving units the rangeNettetThe Hodgkinson Formation is the most widespread unit in the Hodgkinson Province. It mostly consists of turbidite sequences and tectonic melange, with minor volcanic intercalations and pelagic sediments (Davis et al ., 2002 ). Zucchetto et al. ( 1999) described the Hodgkinson Formation as having undergone four deformational events … metal shelving with towel rackNettet31. mai 2024 · The vein system in Mt Carbine is hosted in Ordovician to Devonian Hodgkinson Formation metasedimentary rocks, which include turbiditic metasediments composed mainly of greywacke, siltstone-shale, slate, basalt, conglomerates and chert. There are four 30-40 m wide vein zones in the open pit with different orientations, with … how to access amazon cloud storageNettetThe Watershed tungsten deposit (49.2 Mt avg 0.14% WO3) lies within the Mossman orogen, which comprises deformed Silurian-Ordovician metasedimentary rocks of the Hodgkinson Formation intruded by Carboniferous-Permian granites of the Kennedy Igneous Association. The Hodgkinson Formation in the Watershed area comprises … metal shelving unit with cabinetNettetMine Geology Hodgkinson formation sediments to the north east are fine grained sandstones and siltstones which have undergone penetrative deformation and are low-grade regional metamorphic rocks. They have been folded and uplifted and contain very little to no mineralisation The James creek granite (formally the Elizabeth Cr. metal shelving with wood shelves