Mount isa orebody
http://portergeo.com.au/database/mineinfo.asp?mineid=mn042 Nettet1. jul. 2008 · Fig. 2 Schematic cross section of the Mount Isa Cu orebody projected on to section 38,000 mN, including relative positions of Cu ore and alteration samples used for Re – Os analysis.
Mount isa orebody
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NettetAbstract: The underground mining environment at Mount Isa Copper Operations (MICO) has over the years presented interesting and challenging rock mechanics related … NettetImportation of copper to Australia during the period 1940-1944 was 131,000 tons.When exploration of the Mount Isa orebody was first being carried out in 1928, No. ID diamond drill disclosed the presence of some copper ore lying outside the limits of the Black Star orebody2, but it was not until 1941-1942 that the development of No. 7 level in ...
NettetChen, J 2002, Southern 3500 Orebody Review, Mount Isa Mines Ltd. Chitumbura, G, Matthews, D, Ozen, I & Jackson, S 2014, ‘One mile underground – mining the N3500 … NettetMt. Isa 1960's - Holes in 500 orebody became incandescent on contact with AN from ANFO. Russia 1968 - Gaiskii Combine copper, spontaneous detonation with AN explosives. BHP Newman 1983 - A hole loaded with ANFO detonated prematurely while shot crew were still on the shot.
NettetThe Mount Isa (Pb-Zn-Ag orebody) was discovered in 1923 with actual mining commencing only a year later, in 1924. By the 1960's Mount Isa had become the centre of a large copper, silver, zinc and lead supply network that included smelting, refining and recycling facilities in Europe. NettetDownload scientific diagram Re-Os isochron for Mount Isa copper orebody. Errors are smaller than sample points except where indicated. Re and Os abundances range from 0.0394 to 3.7847 ppb and 0. ...
NettetThe Fitzpatrick area is the deepest section of the North Mine, with the orebody located between 1450 and 1800 m below the surface and some 600 m NE of the main No. 3 Shaft orebody and separated from it by the intensely sheared Globe Vauxhall Shear Zone. Development towards the Fitzpatrick area commenced in 1977 after earlier initial …
Nettet3500 Orebody, Mount Isa Mines D Matthews Glencore Mount Isa Mines, Australia Abstract A two-lift stoping strategy was determined to extract ore close to a previously … bliss immoNettet30. apr. 2008 · The syn-tectonic breccia-hosted Mount Isa Cu deposit in northwest Queensland is the largest sediment-hosted Cu deposit in Australia. Whole-rock samples of chalcopyrite-rich Cu ore form an isochron with a Re–Os age of 1,372 ± 41 Ma. This age is more than 100 Ma younger than the previously accepted age of Cu ore formation, an … free 3d classical house sketchuphttp://montanian.com/top-stories/stimson-lumber-to-stay-in-libby-for-the-long-haul/ blissim live shoppingNettetThe 3000 Orebody is one of two orebodies in the Deep Copper Mine at Mount Isa, Australia. Owing to concerns about potential shaft pillar instabilities, an integrated seismic system was introduced to monitor seismic activity associated with pillar and country rock deformation. Coupled with numerical modelling of the stress regime, the system may … free 3d chess downloadNettetThe Company’s Mount Isa Inlier Copper and Gold Projects in Queensland comprise the Greater Duchess Copper Gold Project and the Tick Hill Gold Project. Carnaby continues to explore for the offset or repetition of the Tick Hill orebody at depth, however due to short average strike length of 80 m and lack of any dispersion, the offset location is yet to be … free 3d christmas earrings modelNettet1. okt. 2024 · Section snippets Regional geological setting. The Mount Isa Inlier in northwest Queensland exposes complexly deformed, strongly altered and extensively mineralized, mid-Proterozoic rocks that comprise at least three separate basinal sequences (originally referred to as Cover Sequences 1–3; Blake, 1987) deformed by … free 3d christmas desktop backgroundsNettetMount Isa Provisional School opened on 28 July 1924. In 1926 it became Mount Isa State School. was proclaimed a state school in 1926. In 1966 it was renamed Mount Isa … free 3d chess game download for windows 8